Hologic Lorad M IV Series Operator Manual

 

 

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9 500 0169

 

The fo ll owing are registered trademarks of LORAD   •

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orad

LORAD DSMII S tereoLoc· AutoF toFilm ilm   ID StcrreoGuidc· Stc

Th e fo ll owi ng is registered pending:

•

HTC' Imaging System

M-IV Mammography System Operator s Manua Operator Manuall 9-500--0169 9-500 Revision 12

 

CH PTER

T a b l e o f Co,.tents

Ch ap ter 1

Introduc tion

Specifications

SYSTEM OVERVIEW. • . • . . . • • • • • • • • • • • • • • • • • • • • • • • •• • • •• •• • • • • . • • • • 1 Manual Objectives. . . . . . . . . . . . . . . . . . . . . . . . • . . . • • . • . . . . . • . • . . . . . . . J Major Features .   . . . . . . . . . • • . •. •. . •. . •. • . . •. . • . . . . J MAJOR PARTS

COMPONENTS .  2 The Operator Console . . . . . . . . . . . . . . . . . . . . . . • . • . . • . . . . • . . • . . . . . . 2 2 Legend - Operator Console . . . . . . . . . . . . . . • . . • . • . . • . • . . • . . • . • • . . . . The Gantry . . . . . . . . . . . . . . . . . . . . . . • . • • . • • . . . • . . • . • • . • . . • . • • . . . . . . 3 Legend - Gantry . . . . . . . . . . . . . . . . . . • . . . . . . . . . . • . . • . • • . • . . • . • • . . . 3 M

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SAFETY NOTES .  .  .  Te chnologis t and Patient .  • •   • • • • .•   • Electrical Safety . . . . . . . . . . . . . . . . • . . . . . . • • . . . • • . . . . • . • . . . . . • . . . • • • • Emergency Motion OF F Switch .   •  • 

S 5 5 5

INTERLOCKSVSTEM

.  •. . • . . . . • . • •. . . . • . • •. • . . . The Cassene In terlock . ... . . . . . . . . . ..• • •. . •. . . . . TIu X·ray Switch Interl ock . . . . TIu Early Release Interloc k . . . . . . . . . . . . . . . . . . . . • . . • . . . . • . . • . • . . . The Automatic Compressi Compression on Release In t e rlo c k . . . . . . . • . . • . • . . . . . • . . . . . . . •. • . . • . . •. . •. • . . . The Image Receptor Support Device Int Interlock erlock The Compression Inrerlock . . . . . . . . . . . . . . . . . . . . . • . • • . • . . • • . • . . . . .

6 6 6 6 6 6 6

ACCESSORIES

7

COMPLIANCE REQUIREMENTS Responsibility Statem Statemenr enr . . . . . . . . . . . . . . . . . . . . . . . . . . • . • . . . . . • . . . . . . Compliance Statement . . . . . . . . . . . . . . . . . . . • . • . • . • • . . • . • . . • . . . . . . . • •   •   • •. .   •.   • •   Label Locations •  

8 8 8 9

SVSTEMSPECIFJCATIONS Electricallnput SpecijicationJ .  .  Operating Environment .   • •. •   • . •   • . .• . • Sto ra rage ge Environment .   •• •. . •  •• •• •   • . .• . • •   .   Unit Measurements .   • • • • • •  •   •  • • •  •  C·arm Specijications • • • • Compression Specijic Specijico.tionJ o.tionJ . . . . . . • . . • . . • . . . • • . . . • • . . . • • . . • . • • . . . X·rayTubeSpecijicati ons • • ••. ••.• .   •. • • • . ••.   X·ray Tube Housing •  • • • •  • • X·ray Beam Filtration Output .   •   •   •  • • • • • • X·ray Collimation Light Field .   .  .  .....  .  High Voltage Generator .   .  ..  . . . . . . . . . . • . . • . • . . •. . •.•. .. Accurocy, Reproducibility, ' Lin ea rity . Ima ge Receptors .   • .•. .•. •. . •. .. .•.. .

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Automatic Exposur e Control AEC)

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M - N Operator s Manual

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II 12 12 13 13 /3

14 14 15

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Table o f Contents

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Chapter 2

Accessory S e t U p

Installation

• • • • • • • • • • • • • • • • • • • • •• •• ••• 17 The Console to Gantry Connections . . .   . • •   . . • . • • .   • • 7 17 The HIS / RIS Connection . .   .  • . .   . .• • . . . .• . •   •  • •   17 Connecting to to Power .   . .  .   .  • •   .   •

POWER

DATA CONNECTIONS • • • •

POWER UP SEQUENCE • • • • • • • • • • • • • •• • •• • •••••• • • • • • • • • • • • • • • 18

Pre-Power Up Up Chec ks. . . . . . . . . . . • . • • . . . . . • . . • . . . . • • . • . . . . • . • . . . System Power p .   . .  .  ....  .  ....  •. •• • Post-Power p Checks .  .  .  .  • .  . 

18 8 18

TH E IMAGE RECEPTOR SUPPORT DEVICE • • ••••• •• •••••• • • • • • 19 THE BUCKY DEVICE •• •• •• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 20 Installing the Bucky Device . . , . . . . . . . •. . . . . . •. . . . 20

Loading the Buclcy Device . . . . . . . . . . . . . . . . . . • . . • . . . . • . . . . . . . . . . .

20

THE MAGNIFICATION TABLE •• • • • •• • • • • • • • • • •••• • • • • • • • • • • • • • 2 Installing the Magnification Table .   • • •. •  •   . . , .   . .   . 21

Loading the Magnification Table. , . ,

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COMPRESSION PADDLES • •••• •• • • •• •• •• • • • • • •••••• • ••••• •• ••• 22 M o unting the Compression Paddles, 23 . , , • ' .• . , • ' , • . . . . • . • . . . . . . .

RADIATION SHIELDING • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • The Patient Face Face Shield ..  , . . , , , . , • •• . •• . . • . •. •• . •. . • . • . . . The Operator Shield . , , , , , , , , . , , . , , , . , , , • , , • , , • , . , . . . • . . . • . . . Other Shielding. . . . . . . . . . . . . . . . . . . . . . . . . . . • . . • . . . . • . . . . • . • . . . . . .

24 24 24 24

DUAL FUNCTION FOOTSWITCHES •• • • • • • • • • • • • • • • • • • • • • • • • • • • 25 Operating the Footswtiches .  • •   • . •   .   25 FILM LABELING

• . 26

The AutoFilm ID . . . . . . . . . . . . . . . • . . . . . . . . . . . . . . . . • . . . . • . . . • . . . . Usii ng the AutoFilm ID Us •  •  . •. •  The Label Printe r optional) .  .  . .  ..

26 26 26

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OPTIONAL EQUIPMENT •••• • • • • • • • • •• ••••• •• • • • • • • • • • • • • • • • • • The LORAD HTC Grid System. . . . . . . . . . . . . • . . • . • . . . . . . . • . • . . • . . . The LORAD DSM . .   •   .   •   •. . . .• .   , . • . . . .  • .  • The StereoLoc l Biopsy System. . . . . . . • . . • . . • . . • . • • . • . . • . • . . . . . . . . .

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S ystem Controls OPERATOR CONSOLE CONTROLS . . . . . . . . . • . . . . . . . . . . . . • . . . . . 29 THE ALPHANUMERIC KEypAD . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . 30 THE VIEW KEYPAD . . . . . • . . . . • . . . • . . . . • . . . . • • . . . . . • . . . • . . . . . . The RunlSetup ey . . . . . . . . . . . . • . . . . . . . • . . • . • . . . . . . . • . . . . •. •. . . . . The Change ey . . . . . . . . . . . • • . . • . . • . • . • . . • . • . • . . • . . . . • . . • . . . . . The Clear Key . . . . . . . . . . . . . . . • • . • • . • . . • . • • . • . • . . • . • . . . . • • . • . . . The Reset Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . • . . . . • . . . . . trys . . . . . . . . . . . . . . . . . . . . . . • . . • . . . . • . . . . . . . . .

30 3J 3J 3J 3J 32

THE EXPOSURE TECHNIQUE KEYPAD . . . . . . • . . . . . . . . . . . . . . . . . The Mode Se l ect Key •• •• •... ••... • ..... The Filter Select Key. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . • . . . . • . . . . . . ThekVSetKeys . . . . . • . . • . . • • . . • . • . . • • . ,  ,   . • . . . . • . . . . . . The mAs Set Keys . . . . . . . . . • . • • . • •   • • . • . • • . • . • . • . . . . . • . • . . • . . . . . . The Density Set Keys. . . . . . • • . • . . • . . • . . • . • . . • . . . • . . . . . • . • . . • . . . . . . The Sp ot Select Key . . . . . . . . . . . . . • • . • . . . . • . . . . • . . . . • . • . . • . . • . . . . . The Film Select Key . . . . . .   • .•.. • . . . . • . • . • . . . . . .. . . . • . . . .

33 33 33 34 34 34 35 35

THE FUNCT ION KEY KEYPAD PAD . • . . . • • . . . . . . . . . • . • . . • • . . . • • . • . . . . . . . The CPT Code Key . . . . . . . . . . . . . . . . • • • . . • • • • . • • • . . • • . • • . • . • • . . . . . The iew Key . . . . . . . . . . . . . . . . . . . . • . . • . • . . • . • . . . . • . . • . • . . . . . . . . . . The Stereo Key . ....•..•..•....•....•.... •..•.... •....... The C-arm Position Key . . . . . . . . . . . . . . . : . . . . • • . • . . . . • . . • . • • . • . . . . . The Cursor Keys . . . . . . . . . . . . . . . . . . . . . . • • . • . . . • • . • . . • . • . . • . • . . . . .

36 36

Mammographic iew

(

37 37 37 37

OTHER CONSOLE CONTROLS • . . . • . . • • • . . . . . • • • . . . • • • • • . . . . . 38

C-ARM CONTROLS . . . . . . . . . • . . . . . • , . . . . , . , . . • . . . . . . . . . . . . . . . . 39 C-arm Up . Down Control Controlss . . . . • . . • . • . . • . • • . • . . • . • . . . . . . . 39 Compression Up . Down Switch . . • • • • •• •• • • • •• • . • • . • •   Compression Compressi on Re lease Switch . . . . . . . . . . • . . . . • . . . . • . • • • • . • . . . . . . . . . . C-arm Rotation Switch .   • • • • • •...... MaltUl Mal tUlll ll Compressi on Ha ndwhe els . . . . . . . . . . . . . . . . • . . • . . . . • .  

40 40

C-ARM REA D O urs INDICATORS • . . . . . . . . . . . . . • . . • . , . . • •• . . . Compression Thickneu Display .   • • •  • • . . • . Compression Force Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . Automat ic Exposure Control Senso r Position Indicator. . . . . . . . • • . • . . . . .

42

TUBEHEAD CONTROLS . . • . . . . • . . . • . . . . • . . . • . . . . . . . • • . . . . . . . . • TUBEHEAD C ann Rotation Switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . • . . • . . . . . C ann Rotation Memory .   . • • . . . . • . . . ••   •  • • . • . . • . . . . . . . . . . Ught Field Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . • . . . . . . . . . Collimator Override Switch. . . . . . . . . . . . . . . . . . • . . . . • . . • . • . . • . . . . . . .

44

41 41

42 43 43 44

44 44 45

SWITCHES . . . . • . . . • . • • • • • . • . • . . . . . . . . . 46 GANTRY CONTROLS GANTRY READOUT . . . . . . . • . . . . . . . . . . . . . . . • . • . . . . . • . • . . • • . . . . 47

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User Interface - T h e R u n Mode USER INTERFACE OVERVIEW • •• • •• • • • •• • • • • • • • • • • ••••• •• • ••• 49

The Startup Scree Screen . . . . . . . . . . . . . . . . . . . . . . . • . . • . . • . . . . . . . . • . . . . . The Run Mode Screen. . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . • . . . . • . . . . . THE ID COLUMN D T

The The The The The The The The The

Iv

49

50

FIELDS • • • • • • • • • • • • • • • • • • • • •• • • •• • • ••• 51

Data Field • . •. . •   • . .• . .   . Name Data Field •. . • . •  • • Birth Date Data Field .   •• ••   . . • . •   •  Sex Data Field .   • • •  • •  • • . • • • Comm ent Data Field .   • •  •  •  •  •  • • Tech ID Data Field .   • • •  •. • • •  . . • _• • _ • • . .   • .   CPT Code Data Field • Exam View Data Field • .•.  • •  • .. .   Compression Data Field. . . • . . . . . . . . . . . . . . . . . . . • . . . . • . • . . .

51 51 52 52 52 53

THE EXPOSURE TECHNIQUE FIELDS •••• • • • •• • • • • • • • • • • • • • • • Technique ique Field .   he Mod e Techn . .   . •.   . • • •  The Filte r Tech Technique nique Field .   . .  .. • . • •.   The kV Technique Field .   .   .  •  •••  The mAs Technique Field .   •. •   •  • The Density Techniq Technique ue Field .   . •  •   • • • . .  • . • • . • . he Spo t Techn Technique ique Field .   • •   • • • • • • • • The Film Techni Technique que Field. . . . . . . . . . • . . . . • . . • . . • . • . . . . • . . . . . . . .

56 56 57

THE STATUS COLUMN •••••• • •• •• •• •••••••• •• •••• • •••• •• • •• • •• The Date Status Field . .   •  • .   • • .   • • . • •   • •  he Tune Status Field .   .   • ..• • . . •  • • • • • •   The Printer Status Field .   .  .   . •  • •  he Auto ID Status Field .       .   . •  • . .  • •  The Compression   Status Field. . . . . . . . . • . • . . • . • • . • . . . . • . . . . • . . . he Receptor Status Field .   • • •  • .  •  • • •   he Collimator Status Field Field .     . .  The View Status Field .   • • • •..• .• .  •

59 59 59 59 59 59

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7 7 7

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60 60 60

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Table o f :Ontents

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User Interface - The S e tu p Mode INTRODUCTION • •••• • •• •• •• •• • • • • • • • . .• •• • . • • . • • • • • • • . • • • • . •• 61 The Setup Mode Screen .   • •  •  •  • •   •  6 • • • .  • •  • • Selecting Fields Entering Data .   6 SETU P WINDOW DEFA ULTS. • • • • • • • • • • • • • • • . • • • • • • • • • • • • • • . • •• Pre-Compres Pre-Compr ession sion Forc Force e: . . . . . . . . . . . . . . . . . . . . • . • . . • . . • . • . • . . • . . . Full-Compress Full-Compre ssiio n Forct : .   •   • •.•   • .•   •  • Compression Release: . . . . . . . • . • . . • . . • . . . . . . . • . . . • • . . . . • . • . . . . . •  •  • • • •   • • • • Collimator: Default De fault Exposure Mode : . • • • • • • • • • • . • • • • • • . •• . • • Default Magnification Mode : . . . . . . • . . • . . • . . • . • . . . . • . . . . • . • . . . . . Reminder: inder: • •,• .. •. . . . . . •. . . . . View Rem Auto k V Wind Window ow ImAs Table: . Printer:

 

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Chapter 6

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62 63

63 63

63 63 6

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•  •  • •  • •   •. . • . . • •   •.   .  • Cassette S ens nse e: Retain Patient Data: . . . . . . . . . . . . . . . . . . . . . . . • . • . . • • • • . • . . . . • . . . . Setup Options: . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . • . . • . • . • . . • . . . . . . EXPOSURE TECHNIQUE DEFAULTS

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65 65 65

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User Interface - Additional S etup USER INTERFACE OVERVIEW • • • • • • • • • • • • • • •• • • • • • • • • • • • • • • • • 67 DEFAULTS· ADDITIONAL SETUP • • • • • • • • • • • • • • • • • ••••• •• • • • • . • 68 Compression

(

Force Units Data Field . . . . . . . . . . . . . . . . . • • • . . • • • • . • • • • • . . • • • . . . . . .  •  •  •  •  • •.• • • • RlS Data Field Film 1 Data Fiel F ield d . . . . . . . . . . . . •. . . . • . . • . . • . . . . •. . . . • . . . . . . •. . . . Film 2 Da Datta Fiel ield d . .. . . . . . . . ..•.. ..••. •.. •..•.•.. . .•... .•.•... . Film 3 D ata Field . . . . . . . . . . • • . • • . . . • • • • • • • • . • • • • • • . • • • • . . . . . . Flash Time I Data D ata Field .   •  •• •   •   • • . , • •  • Flash Time 2 Data F jeld .   • • •  •  • , • • • •  •   • .   .  • . .   . .  • • • .   Flash Time 2 Data Fjeld .   . . . . . . . . . . . . • . . •. • •. • . . • . •• . •. . • . • . . . ••. • . . . Date Data eld . . . . . . . . . . •. • •. •. . •. . • . . • . . . . . . • . . •. •. . . . . . . Timee Dat a e ld Tim Institution Instituti on Da Data ta Fjeld .   • • .•   Institutio Instituti o n Addnss e ld . . . . . . . . . . . . . . . . . . . . . . . . . • . . • . • . . . . • . . . . Tech ID cleand wi th Cl ea earr Key Data Fie ld .   .  • • •   Auto Aut o ID Contrast Data Field .   •  • • Auto ID Offse Offsett Data Field .   .  •  • •  Da ylight Saving Tim Timee Data Field . . . . . . • • . • • . • • . • . • • . • . . . . • . • • . . .

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Chapter 7

Patient Pre ScheduUng

Data Storage

MANUAL PRE.SCHED ULING MANUAL Entering Pre Schedule Data .   Recalling Pre scheduled Data . . . . . . . . . . . . . . • . . . . • . • . . • . . . . . . . . .

7

7 7

AUTOMATED AUTOMAT ED PRE·SCHE DULING 72 he Bar Code Code Reade r. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Direct Link ................................................ 73 POST EXPOSURE STORAGE

Chapter 8

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73

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CUnical Procedures SEQUENCE OF OPERATION· CONTACT EXPOSURES

•••••••••••

SEQUENCE OF OPERATION· MAGNIFICATION STUDIES SEQUENCE OF O PERAT ION· SPOT EXPOSUR EXPOSURES ES

•••••••

75 78

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OTHE R FEATURES FEATURES • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 86 C ann Ro tation Memory .   86 Film Labeling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . • . . . . . . . . . 86 SYSTEM SYSTE M SHUT DOWN CARE

Cleaning

Chapter 9

CLE

••••••••••••

NING

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Disinfection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CPT Code

Tech

88

m Setup

CPT SETUP SCREE SCREEN N • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 89 The CPT Data Entry Fields . . . . . . . . . . . . . . . . . . . . . . . . • . . • . . • . . . . 89 The iew Selection Fields. . . . . . . . . . . . . . . . . . . . . . . • . • . . . . . . . • . . . . . 90 TECHNOLOGIST ID SETUP SCREEN

•

Defining Technologist ID ID Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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M ·W Operator s Manual

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( The LORAD M-IV

PREFACE

OVERVIEW

OBJECTIVES

a mammographi mammographicc sy stem that co mbine mbiness advanced

technology with proven design and performance feature features. s. The M-IV adapts easily to the full range of mammographi mammographicc f unctions. including stereotactic and digital imaging.

Chapter 1 provides a brie brie f introduct ion to the M-IV M-IV and familiarizes user with the following following:: •

c

is

ajor features parts. and components

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Compliance information

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Safety practices

•

Systee m specifications Syst

After reading this chapter the user will be able to: to : •

Identify major components o f the M-IV system

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Follow recommended user safety practices

•

Understand the purpose of system interlocks

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Reference system speci specificati ficati o ns

Chap ter

Introduction

:

Specifications

t

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Int roduc t i on

Speci[fi

(

The View Key . • . • . . .

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•

Use this key to cycle through the available mammogr aphic views for the selected CPT Code. The available availa ble choices will appear in the Exam View data field in the Run Mode. Perform the following to select a preassociated exam view: Cl

CI

After the stereotactic procedure, rotate the C-ann to the Needle Approach Angle (Stereo Zero).

CI

Press to set the system for normal C-arm rotation.

Press repeatedly to select among the available exam views.

when the billin g code is selected using the CPT Code key. For exams that require manual entry of billing codes, it will be necessary to manually enter the exam view vie w usi ng the View Keypad. Keypad.

n o n e c e u a r y 0 m ove highlight into PT Code d a l a field t o us the V i e w key. NOTICE • • •

t i

It.

The S t ereo K e y . . • . . • • • • • • •

CI

CI

(

M

NOTICE • • • Reier tD the StereDLoc

8

Install the StereoLoc II device on the M-JV C-arm. The system automatically is set for stereotactic rotation. Press to set the system for positioning rotation. Position the patient, compress the breast, then press to set the system back to stereotac tic rotation.

docu

m e nt a t i on lor de taile d operational ;n.truction5.

It.

This key is only functional when the M-JV has been configured for stereotactic use, and when the LORAD StereoLoc II device has been mounted onto the C-ann. Use this key to set the M-JV so that the C-arm only rotates to the stereotactic projection angles (C-ann shifts ±lSD ±lSD while the StereoLoc II remains stationary): CI

••

This key is only functional when the M-JV has been configured for stereotactic use, use , and when the LORAD StereoLoc II device has been mounted onto the C-arm. Use this key after a stereotactic procedure to set set the M-JV C-ann for normal rotation (C-arm and StereoLoc II rotate together):

This method o f selecting an exam view is only available

c

•

While in the Run Mode. select a billing code by

pressing . o

The C a r m Position Key

he

CUrsor Keys. • • • . . . . • . .

Use this 4-key set, identified by their arrow

rlw j

labels, to move the highlight bar through the selectable on screen data fields. Each arrow key (Cursor) moves the highlight bar in the direction indicated by the label on the key key cap. Below details this movement:

•

UpArrow: highlight moves from bottom to top

•

Down Arrow: highlight moves from top to bottom

•

eft Arrow: highlight moves from right to left

•

Right Arrow:

highlight moves from left to right

37

M - N Operator s Manual

 

S y ste m Controls

(

OTHER CONSOLE CONTROLS

The Operator Console also provides additional controls, as desribed below.

Power

ON/OFF

S witc h

•

·III

m

Use this switch to turn the machine ON or OFF. Note that prior to applying power, it is recommended that the user perform the pre-power up checks detailed deta iled in Chapter 2. o apply power, power, press ; to shut the unit down,, press . down

-6

Compression

Release S w i t c h

..

.

Q

•

~ r a y Switches hich are used simultaneously to initiate an exposure. One switch is on the left side of the control panel; the other switch is on the right side. When the M-IV status reads READY, perform the following to initiate ex.posure:

a

Step completely behind the radiation shield.

Q

Check all ex.posure ex.posure techniques and setup informa

tion for accuracy. Q

Press BOTH

x ~ r

y

switches simultan simultaneously eously for

the duration o f the ex.posure

.

until the tone stops.

Observe all so l el Y preco fions when making x ra y exposures. W

RNING

Note that releasing either or both x ~ r a y switches before the exposure has ended (when the tone stops will automatically automatica lly terminate the ex.posure and cause the system to display an error.

In the Setup Mode. change the Compressio Compression n Release Mode to MANUAL.

o

Lower the Compression Device.

o

Press to raise the Compression Device approximately 6cm.

o

•

The Operator Console has two

o

A Compression Release switch on the right side of the Control Panel provides a means to quickly release the patient from compression, provided the Compression Release Mode is set to MANUAL. The following is an example sequence for using the compression release switch:

•

X·ray S witc h e s

: ; : : .

: : ~ ~

C

0

On the left side of the Operator Console housing is one o f the unit s three Motion Emergency OFF switches. switches.

Pressing this switch immediately removes ALL system power. To reset the machine after pressing this switch, perform the following:

a

Remedy the situation that precipitated pressing

a

Rotate the mushroom-type switch switch II4-tum

o

Perform. Perfor m. a standar d start up procedure.

the Motion Emergency OFF switch.

clockwise to reseL

(

M - N Operator s M anual

38

 

System Colrltr'Oz.,

(

C ARM CONTROLS CONTROLS

There are identical pushbutton switches on either side o f the C-ann that control the following operations on the mammography system:

•

C-arm Up

•

Compression Up

•

Compression Release

Down Down

Also,, there is a rocker-type switch on the rear of the Also image receptor support devic devicee that controls:

•

C arm rotation

There are also handwheels on either side o f the Compre s

Figure 3·5: C-arm Pushbun on Controls Controls Switch Set

sion Carriage for manual movement o f W s device, Use

o f each pushbutton, switch, and the handwheels, is

(

described next.

Note that the C-arm will stop automatically upon reaching the upper or lower C-arm travel limits. limits . For tactile discernment, the C-arm Up switch is convex convex , and the C-arm Down switch is concave.

C-arm Up

Down

ontrols °

l og

C-arm Up and C-ann Down switches are on both C-arm switch panels one on either side of the C-arm . This set

o f switches moves the C-ann up or down for height

positioning of the image receptor support device device.. To move the C-arm up or down. perform the following:

a

Q

(

Press and hold a switch to raise the C-arm assembly; release the switch to stop movement. Press and hold to lower the C-arm assembly; release the switch to stop movement.

NOTI E • • _ The

aarm

lunctions are also

Up and

v il ble

C arm Down

using the du l

lunction Footswitch

M NOTI

E

The

aarm Rotation fundions

are also available using tube he ad controls

M N

Operator s

39

Manual

 

SW5t ,,,, Cont rol s

(

... ...

Compression Up Do wn S w i t c h

t

j

Compression

Release S w i t c h

.. .

.

The Compression Up switch is convex, and the Compres

A Compression Release switch on both C·arm switch pads provide providess quick release o f the patient from compres sion, provided the Compression Release Mode is set to MANUAL. The function and use o f this switch is the same as the Control Panel Compression Release Switch. The Compression Release switch has a raised bump on its surface for tactile discernment.

sion Down switc h is concave for tactile discernment. To move the Compression device, perform the following:

The M·IV has an AUTOMATIC Compression Release

Compression Up and Down switches are on both C·ann switch panels (one on either side of the C-arm). Use these switches to raise the compression device (increase thickness thickness). ). or to lower the compression device (decrease thickness).

a

Press and hold to raise the

a

Release the switch to stop upward movement

Q

Press and hold to lower the

Compression Device.

Compression Device and illuminate the light field

lamp.

o

Release the switch to stop downward movem movement. ent.

Once 10 pounds o f force is applied to an object, ALL C ·

ann movement controls (Le • C-arm Up, C-ann Down, C-arm Rotation) are disabled.

The amount of compression force applied

to

an object

depends upon the set compression mode (Pre·compres sion o r Full·range Compression). and the force setting o f

that compression mode (10

to 100% the range).

Note that the compression device will stop automatically

upon reaching the upper or lower travel limit limits. s.

M

NOTI E

••

function.

Th

or

ompr

01.0 o vo i l o

function foor.witcll.

on Up o nd Down l.

u ;ng t h . d uo l

feature which. when pre-selected in the Setup Mode. releases compression automatically at the end o f each exposure. However, i f a Localization Compression Paddle is used, the sys tem senses the paddle and locks out the Automatic Compression Release function.

c

40

M N Op e r a t o r s Manual

 

System to scroll through the list o f exam views. Press to schedule the exam view for the patient.

M

• • • 'S.I.ct.d' views ' o r tit. di.ploy.d PT Cod. a p p . a r bright; 'Optional' a n d 'Not S.I.ct.d' views oppeor dim. NOTI E

a

T

Sel e ct the first exam view L w..O) by pressing Sele < View View> > . then take the exposure. Observe that the View Count box reads: I. Select the seco nd exam view R LMO) by pr e ssing . then take the exposure and observee that the observ the View Count box reads: 1 i t is nec es essary sary to retake th e L MLO exposure:

•

the Count box will read : 2 (when L MLO is the displayed exam view)

•

the Count box will read: I (whee n R MLO is the displayed exam view) (wh

53

M - N Operator s Manual

54

 

User Interfaee - The R u n M d.

The

Compression D a t a F ield

Motorized compression is applied using one of the three force modes below:

•

Pre·compression

•

Full Range Compression

•

Dual Compression

a

sion force sufficient for breast positioning only. only. Manual compression must be applied prior to the exposure.

Full Range Compr ession: perm permits its the user user an

0

apply

exposure.

How-

ever, manual compression may still be required for patients with dense breast tissue.

 

Dual Compression: permits the user to apply

pre-compression upon the fIrst activation of a compres sion Dow n control for positioning), then apply full range compression force for each subsequent activation o f a

compression

own

a a

Pre-Co Pre -Compr mpress ession ion:: permits the the user to apply apply a compres

compression sufficient to conduct

To change the compression force mode, perform the following:

control final compression).

Highlight the Comp ression data field. Press to cycle through the available choices. Press to recor d the selection an d move the highlight bar to the nex t data line.

M - N Operator's Manual

 

User In t erf a ce - The R u n Mode

THE EXPOSVRE TECHNIQUE F I E W S

Auto-7ime Exposure Mod,

The Auto-lime exposure mode permits the operator to

The Exposure Technique Fields display the chosen

exposure parameters . The following paragraphs describe the choices for each expos expo s ure technique parameter.

The

Mode Technique F i e l d

select all exposure facto rs except mAs. Auto-Time Auto-Tim e works by terminating the exposure after a predetermined volume of radiation based on the selected film density) is sensed by the AEC sen senssor circuitry. A post-exposure mAs appears on the Run Mode screen. Auto·kV Exposure Mode In this exposure mode. the system automatically sele sel e cts the exposure kV and th thee mAs. The only operator selectable exposure facto fact o rs are Filter. Densit Density y. Spot Size.

There are four available exposure modes:

•

Manual

and Film Type Type.. Upon x· ray initiation. the expo exposs ure

•

Auto-Time

•

Auto-kV

•

Auto-Filter

begins at the kV level set in Setup: 25kV or 26kV M o filter). or 28kV Rh filter) filter).. Shonly after the initial exposure release. the AEC system takes a sample, and predicts the exposure time necessary to produce optimal film density. f the system determines that the exposure will not produce the optimal film density within a given window 125mA 125mAss , 165mAs. or 200mAs), the kV is automatically increased to either 27kV, 28kV, 29kV, or 30kV (Mo filter). or 31kV. 32kV. or 33kV Rh filter) . After the kV increases. th exposure continues as an Auto·Time mode exposure exposure.. A post-exposure kV leve levell and mAs appears on the Run Mode screen.

For each mode. pre-selected defaults initially are set,

although they can be easily changed by the user by pressing the appropriate technique select key. The exposure modes, and their u ses , are explained below. below .

M

NonCE • • • A ll e x p o . u r e mod.,. are available 101 magnification dua/ s except Auto-Filter Mod.. Installing the Mognllico t;on Tob/. c ha ns . s the Morle li.leI lOD_ to r e a d 'mog .

MGnual Expos ,., Mode The Manual exposure mode permits the user to set a fixed kV level and current tim e product (mAs) in addition to selecting the Filter, Spot Size. and Film Type . Density is the only exposure factor not selectable. Manual exposures commence upon pressing the x·ray bunons, and continue until:

I ) the set mAs is reached. 2) one of the x-ray buttons is released, o r 3) the exposure exceeds the preset backup timer. NOnCE

S. ing

2 JcV in M an u al

mod.

s e t . the rnA. t o a yolue typical o r . e c ;

m e n ralliograplty. The MODE lie'll'a au to matically c ha ng • • t o S p e d m e n a nl l th. rnA.. 'i.llllock., making i t norwnoclillabl •

Auto -Filt er ExpDsure ExpDsure Mode In this exposure mode, the system selects the kV in the same manner as with Auto·kV mode, with the addition of automatically selecting the filtration Molybden um or Rhodium). Upon initiating the x·ray. the AEC s y s tem samples the amount of radiation. The Autn.Filter algorithm then determine s the appropriate kv level and filter to complete the exposure. The automatic selection of the Rhodium filter is is determined by a kV Threshold set by the servicing engineer at installation.

• • T h . actu al Filter, k V level; a nl l m.A. u l o r t h . ex p o su re w i l l a p p . a r in th. appropriate l I a t a ' i l l I . a l t r the .x p o .u rw.

NOTICE •

c

M-N Operator's Manual

56

 

CHAPTER User

I n t e r f = e . The

un

M,HiE

 

The

Filter

Technique Fie ld

Compreued 8 . • • 1hlekrHl

Exposures may e made u sing one o f two filters:

•

Molybdenum (Me)

•

Rhodium (Rh)

4 .5

5 .0 o

5.5

6.0

; Mo

-Mo

6 .5

em) 7.0

Rhodium is used in place o f the Molybdenum when the

7.5

Rh

exam involves dense tissue and the kV selected would

not reduce image quality (co ntr ast) with respect to Molybdenum filter imagi imagin ng. Press to set the filtration method ethod.. or permi permitt the M-IV 10 select the filler au auttomatical ly by u sing th e Auto-Filter exposure

Mo Rh

mode

Rh Rh

Rh

P,. ,.,..bly Rh

The follow ing table indicates the object thicknesses and

c

tube voltages where dose reduction can be obtained using the Rhodium filter without losing contrast. This table is relative rela tive,, and may vary with different breast compositio n s

Rh

Rh

Rh

Rh

Rh

Table 4·1:

The

MO )'t'nus RH

kV ' T echnique Fie ld

The kV field displays the set kV level f o r Manual or

Auto- Time exposures, or the post-exposure kV level for Auto-kVexposures. The kV range of the M-JV is from 20kV to 35kV (Me

filter), or from 28kV to 39kV Rh filter).

The

mAs

T echnique Fie ld

The mAs field displays the set mAs for manual mode

exposures, o r th e post exposure mAs for exposures u sin ing g the automatic expos ur e modes . The mAs range of th thee M·IV is between 3mAs and 500mAs.

The

Density Technique Fie ld

The Density field, selectable only for the automatic

exposure modes, displays a user se lected value (-5 to NORMAL to +5) th that at will compensate for dail daily y fluctua tions in film processor perfo performance rmance.. Each incremental change in density in increases creases or decreases mAs by ap

proximately 12 12.5 .5

from the adjacent densi ensitty selection.

M- W Operator's Manual

57

 

User Interface - T h e R u n Mode

The

Spot

Technique Field

The sys tem offers two focal spots: •

Large Focal Spot (O.3 (O.3mm) mm)

•

Small Foca Focall Spot (O.lmm)

In most applications. the system permits user selection of the Focal Spot size. However, under certain conditions (magnificati on studies, specimen mode mode), ), the system automatically selects the app apprr opriate Focal Spot size

(small spot for the examples given).

The Film Technique F i e l d To produce optimum density films when using any of the three automatic exposure modes, the user must match the film/screen setting to the film/screen combination being

used The system uses this setting to recall the charac charactter istics of the film/scre film/screen en combinatio n whic whi c h were previously ca libr ibrated. ated. The sys system tem pennits calibrating up to three film/screen combinations for use with both filters. T he choices for this data field will depend upon the entries made in the Setup Mode.

Standby condition which allows the selected filament to

NOTICE • • • Film types shown on rile screen 0,../0&.1. only. Until rII.y ore co/i&rot.d &yo • • vic. t.chnici n, for orll rile Moly

D uring g this Standby period. x-ray exposure is warm up. Durin preve pre ve nted .

cI.num onclllhodium filt.r. , rile p r o p e r clen.i,i or not s e t fo r rII. film ty p o u d.

After changing focal spots sizes, the system enters a

58

·W Operator s

anual

 

User In te rfa c e · The R u n M la.

 

THE S T A T U S C O W M N

T he

The Status Column contains fields which display the

This field displays the operational status of the internal

installed accessories. the peripheral device status, and the current date and time. The status of these fields are changed by either making selections in the Setup Mode for peripheral and time/date display), or by changing the type o f accessories installed on the machine receptor) receptor).. The following paragraphs describe each Status Column field details on changing the status of each field are in the Chapters that follow).

AutoFilm ID which is used to place a photographic label of the exposure technique factors and patient information onto the film. film. The status display will be one of the following:

The

c

S t a t u s Field

Date

This field displays the current date in the format of the selected language. Whene ver the user interface language selection changes, the system automatically displays the date in the appropriate format. Refer to Chapt er 6 The User Interface - Additional Set Up Mode) to correct the date display, or to change the date format.

Auto I D

S t a t u s Field

•

Tube Side - black on white

•

Thbe Side - whit whitee on black

•

Emulsion Sid Sidee - black on white

•

Emulsion Sid Sidee - whit whitee on black

•

OFF

Refer to Chapter 5 The User Interface - Setup Mode) Mode) to to change the operational status o f the AutoFilm ID.

The

Compression

S t a t u s Field

This field displays the Compression Release mode

The

S t a t u s Field

Time

This field displays the current time in the format of the selected language. Whenever the user interface language selection changes, the system automatically displays the time in the appropriate format. Refer to Chapter 6 The User Interface - Additi Additional onal Set Up Mode) to correct the time display,

The

or

to

change

the

time format.

Printer S t a t u s Field

This field displays the operational status o f the optional label printer which provides a hard copy label of the important exposure technique techniquess and patient information. The status display will be either ON or OFF. Refer to Chapter 5 (The User Interface - Setup Mode) to change the operational status of the printer.

selected in the default settings. There are two Compres sion Release mode modes: s: Manual and Automatic. Refer to Chapter 5 The User Interface - Setup Mode) to change the compression release mode. Note however, that when PaddJe Je is mounte d on the Compression a Localization Padd Caniage, this data line will read: Locked Out.

M·W Operator s

Manual

59

 

User Interface - The Run Mode

The

Receptor

S t a t u s Field

The

Collimator

S t a t u s Field

The system has detection circuitry that senses the type

This field displays the operational status o f the x-ray

and size of the image receptor holder mounted on the

field collimator collimator.. The two coll imator settings are: Automatic and Manual. Refer to Chapter 5 (The User Interface - Setup Mode) Mode) to change the collimator mode.

Image Receptor Support Device. The display in this field changes depending dependin g on on the the attached accessory. accessory. The unit senses the following standard image receptor holders:

View S t a t u s Field

•

LORAD H T e Grid System l8cm x 24. The choices made in Setup ap pear in the Run Mode eac h time system power is i s applied. The se defaults, however however,, may be changed as necessary in the Run Mode.

T h e S e tu p M ode Screen The Setup Mode scr screen een is divi9Cd into three sections:

•

the Setup Window

Figure S ~ l The Setup Mode Screen

the Message Window

•

c

the Exposure Technique Windo

Whenever the u ser accesses the Setup Mode, the high light bar will always appear in the first da ta field of the Serop Window Window.. Pressing one of the arrow keys key s on the Function keypad moves the highlight ba r through the available fields. The Message Window displays display s instructions for setting

andlor changing system operations o r preferences. When a field is highlighted, instructions appear to guide the user through the correct sequence of steps for entering data for that particular field. The right side o f the Message Window the S tatu tatuss

Window), will always read: SETIJP.

The Expo sure Technique Window permits the user to set or change the default technique factors for each exposure mode . Selection of these defaults an made in the same manner as the Run Mode exposure technique selectio selection ns

Selecting F i e l ds

Entering Data

The followi following ng paragraphs de sc scribe ribe movement through

the setup screens, changing data field selections, and eoteri ng system labels. tJItJ Field Sehction Press th e arrow keys keys , or press , to move the highlight through o r across the columns on the screen screen.. A data field is selected when the highlight appears in the data field.

Clumging Dam Da m Field Selections After selecting a data field, press to switch between th e available choices for that machine function. the data field requires manual entry, key in the information using the alphanumeric keyboard. keyboard. CluJllging Exposure Technique Defaults The exposure techniques are Changed by pressing the corresponding Technique Select key. key. The se keys are are on the Contr Control ol Panel above the alphanumeric keyboard.

M W

Operator s Manual

61

 

User Inter:face - The Setup Mode

(

SETUP WIN

OW

Full-Compression For c e:

DEFAULTS

This section describes each data field in the Setup

This data field permits selection of the motorized

Window, the choices available for each field. and instructions for setting or changing.

full-range compression force (between 20lbs 40lbs) to the values in the chart below. Motori zed full range

compression typically provides the necessary compr compres es

sion to adequately reduce object thickness for diagnostic imaging.

Pre Compression Fo rce : This data field pennits selection of the motorized pre-compres sion force (between 1 151 51bs bs 30lbs ) to the values in the chart below Note that pre-compression forces provide for breast positioning and initial compres

sion only_ Full compression (either manual or motor motorized ized full range) is required after pre-compression to ad equately reduc reducee object thick thickness ness for diagnostic imaging.

The approximate Full Compressio Compression n Forces available are

listed below:

M

The approximate Pre-Compression Forces available are

listed below:

PRE-FORCE

NOTICE • ual compression incorporates the settings lor Oth the Pre- and ull Compression forces. The ;nitia' activation 01 compre on down compre s the object to the Pre-Compre.s;on force setting. ach additional activation 01 compression clown applies pproxim tely ( 3 poundS J2N) 01 addi,ional lorce to the o ;ec', ;ec', up to the s e Full-Compress;on force.

FULL-FORCE

89.0

50

22.0

60

23.5

97 .9

28.5

126.8

30.5

135.7

(

M W Operator s Manual

62

 

User Interface

- The Setup

M

, ~ .

 

Compression Rel ease

Def a u l t Exposure Mode :

The compression release function operates in one of

This field pennits the user to set the exposure mode most

three user selectable modes. The setting made here dictates which release mode the unit will be in when system power is first applied. The three compression

release modes are: • •

M NU L

•

LOCKED-OUT

AUTOMATIC

often used when a Bucky device is installed. Note that all four choices may also be selected in the Run Mode. The choices for this data field are: •

MANUAL

•

AUTO TIME

•

AUTO-KV

•

AUTO-Fll.TER

Manual mode requires the user to press a Compression

Release switch Console or C-arm) to raise the Compres

sion Device approximat approximately ely 6cm after the exposure. Automatic

c

release mode lifts the compression device

automatically after the exposure.

Def a u l t Magnific ation Mode

:

This field pennits the user to set the exposure mode most

often used when a Magnification Table is installed. Note that all three choices may also be selected in the Run Mode. The choices for this data field are:

Locked Out mode activates upon installing a localization

paddle, and automatically disables the compression

release function.

Collimator The collimator device within the M-IV tubehead operates in one o f two modes:

•

MANUAL

•

AUTO TIME

•

AUTO-KV

View Reminder : The system may be set so that exposures are not possible

•

AUTOMATIC

•

M NU L

Automatic collimation mode has the detection circui circuitry try

sense the size o f the installed Image Receptor and Compression Paddle. and adjusts the field size appropri

ately for the application. Manual collimation mode has the detection circuitry

sense the size of the installed Image Receptor only. and limits the field size appropriately. All subsequent field size adjustments for the application are made using the Collimator Override Switch on the tubehead.

unless an exam view is displayed in the Run Mode Typically. the View View Remind er is ON for clinical examina tions. However, the user or service technician may switch it OFF to perfOITIl verification exposu res using a phantom), or during unit calibrat calibration. ion. The only options for the View Reminder are:

•

ON

•

OFF

M - N Operator s Manual

63

 

User In te rfa c e · T he S et u p Mode

A u t o k V Window

mAs T abl e

Manual exposures require that the user set a fixed mAs

for exposure timing. Two mAs modes are availa availabl blee (refer 0 Chapter 1 for e u c t mAs step values for both modes): •

MODE 1 (23 steps within the mAs range)

•

MODE 2 (59 steps within the mAs range range))

When the exposure mode is is se t to Auto-kV or

Aut o- Fil ter. thi thiss fiel d displa ys Auto Auto-IcV -IcV Window , and thee system attempts to determine the exposure facton th nece ssary to make films at the o ptimum optical de den n sity, with ideal contrast. To do thi s the user mu s t se t a timing window that helps detennine when to terminate termin ate th thee expossure. expo When the timing window

is set, the system terminates an exposure u s ing the following criteria:

Optica l Density The fir st priority of the system is to ensure optimum optical density o n the dev develope eloped d film. I f necessary ne cessary (t (to meet the optical dens it ity y requirement) , th thee sys tem i ncreme nts the kV to its maximum, and s ur p asses the set timing wi ndow ndow   .

Contrast

When the system d etermines that the th e o p tical den de n s ity requirement can be met, it attempts to maximize contras astt by terminating the expos ure as near the set mAs window as possible. This, however, mu muss t be achieved while s till maintaining the optical density requiremenL

B e low are the Auto-kV Window choices for both the Large and Small focal spot:

SMALL

TIME

125mAs

38mAs

1.25 seconds (a pprox pprox.) .)

165mAs

SOmA s

1.65 seconds (approx. (approx .)

200mAs

60mA s

2 .0 seconds (approx (approx..)

L

RGE

Printer :

To print hard co copy py labels la bels o f patient informati on and must st be installed. exposure factors, the optional printer mu and th thee Printer data field mu st be set ON. Note that if the printer is not installed. the Printer data field will read: UNAVAILABLE. The user se lectable choices for the Printer da t a field are:

•

ON

•

OFF

AutoID Th e system syste m is equipped with the AutoFilm 10 which

places a phot photogra ographi phicc lab e l of exposure techniques and identification data on the film film.. The AutoFilm 10 requires the use o f DIN-style cassettes with the built-in slidi sliding ng ( window. The AUTO 10 data field permits the user to choose:

•

ube Side - bl ac ack k o n white

•

ube Side - white on bl a ck

•

Emuls ion Side - black on white Emuls white

•

Emul s ion Side - white on black Emuls

•

OFF

Thbe side selection se lectionss cause the photographic label to be ''flas hed '' onto the side of the film that faces the tube;

emulsion si side de selections cause the label to be flashed in rev rever erss e (from the bottom). The label black on white signifies that the data will be black and appear on a white background; the label w hi hite te o n black signifies the opposite (white data on black background) . The OFF se lec ti on disables the Aut oFi oFilm lm 1 0.

M ·W Operator s M a n u a l

64

 

User InterfCU e - The Setup Molde

 

assette Sense : The Cassette Sense Interlock works with the M-rv-style

Bucky Device or the Magnification Table only. This data field pennits the user to choose the Cassette Sense Interlock status:

•

ON

•

O

When the interlock is ON. the M-JV prevents an expo sure when the cassette is not inserted into the Bucky device. o r when the cassette has not been ejected and then replaced after an exposure. When the interlock is OF F  exposures are nOl inhibited.

c

R etain Patient D a ta : This field pennits the user to choose the length o f time

the M-IV will store pre-scheduled information The choic es for this field are: •

1 Day

•

2 Days

•

3 Days

•

4 Days

•

S Days

Setup Options : This field permits the user to switch to other setup

screens which establish more system settings and defaults. The three Setup Options screens are: •

ADDITIONAL SETUP

•

TECHNOLOGIST ID

•

CPT CODE VIEW

The Additional Setup screen pencils the user to set

compression force units. establish the RIS. change the date and time. and enter film and flash time preferences. The Technologist I I

screen

pennits the user

define technologist d ata and se t preferred compression mode thee exam v iew orders. and th t

View screen permits the user to choose View or edit CPT codes and exam descriptions used in the Run Mo d e

The CPT Code

Each o f these mode screens is discussed in later chapters.

6

 

U s e r I n te rfa c e - T h e S e t u p Mode

EXPOSURE

TECHNIQUE DEFAVLTS

Use the area along the bottom of the screen to define the

expos ure param expos parameeters that will appear as defaults in the Run Mo d e  s Expo s ure Te Technique Window. A unique uniqu e s et parameters may be cho chos s en for each expos u re mode. of incll udin inc uding g magnification modes. B e l ow are the seven modes available for setting defau defa u lts:

• • • •• •

•

Manual

A u to-11m ExpQsu ExpQs u« Mod, Filter

Molybdenum (M o ) or Rhodium Rh)

kV

20kV through 39kV

mAs

not s e lec table

Dens it ity y

-5 to 0 to +5

Spott Spo

Large or Sm all

Film

one o f the three film/ film/ss creen combinations calibrated

Mag Manua]

Au to-kV Exposure

Auto-TLDlC Mag Auto -Time

Mod, Mo lybdenum Mo) or Rhodium Rh)

Auto--kV Auto

Filter kV

25kV 25k V - 26kV Mo); 28kV (Rh )

Mag A uto-kV

mA s

not selectable

A uto-Filter

De nsity

-5 t o O t o + 5

Spot

Large o r Small

FUm

o ne of th e three film/screen combinations calibrated

Choos e the expo s ure mode Choos mod e requiring setup default s election ). th e n use the tables that tha t fo foll llow ow to determine the exposure techniques av avai lab ablle for each expos ure mode. ng tit_ Morle Key perm ; .

NOTICE • • • P,..

the u s . r '0 choo• • a m o n g seven e x p o s u r e mod 4 c o n t a d m o d • , 3 m a s m o d • ). When th e 'm a s lab.1 ap p ear . in th e M od . d a a fl e ld , th thee default • • lor that m o d . w i l l b . th the e H;ns _ the M  J V reca ll ll.. w h e n the magnific a ,io n o W . i_ ;m l a l l. d . '

'

M an u a l Ex posure M o t kj

Filter

Molybdenum Mo) or Rhodium Rh)

kV

20kV - 35 20kV 35kV kV Mo ) 28kV 28k V - 39 39kV kV Rh)

mAs

3mAs through 500mAs

Densiity Dens

n o t se lectab ectabll e

Spot

Large or Smal l

Film

one of the three film/screen

combinations calibrated

Auto-Filt f IT E:c pQsua Mode Fi lt lteer

not se lectable def au lt - Mo)

kV

25kV

mAs Densi ty

not selectable -5 to 0 to +5

Spot

Large or Small

Film

on o ne of the three filmlscn:en combinations calibrated

. f NOnCE - • • A u lo-F lo-Fiilter e x p o _ure m a de i . n a t u v ai a b l . lar m ugnilieulian . Iu dle ••

66

M N Operator s M a n u a l

 

 

PREFACE

The Additional Setup Mode is a second default se tup screen that pe pe nnits the setting of the remaining sys tem parameters. and the machine labels

Le • film t ype. date, time).

screen n and guides the user Chapter 6 describes the Additio nal Setup Mode scree

OVERVIEW

through default settings for: •

Compression forc forcee unit unitss

•

RIS

•

Film and Flash Duration

connection

Th i s chapter also explains how to change the date and time and how to

film lm enter label data fi

c

OBJECTIVES

types. institution name

and address).

fter reading this chapter, the user will be familiar with:

•

The basic layout and function of th thee Additional Setup screen.

•

Setting defaults for the machine parameters in the Setup Window. Window.

•

Enter ing label information for film types t ypes and in sti stituti tuti on name name..

•

Changing the time and date display.

Chap ter

:

Userr Interface -   Use

dditionalSetup

 

 

c

 

CH PTER

User Interface -   dditionalSelmll

 

USER INTERFACE OVERVIEW The main purpose of the Additional Setup screen is to set

the system to display the desired compression force units and to establish the RIS connection. Choices made in the Additional Setup screen appear in the Run Mode each time the system is turned on. The Additional Setup screen is divided into three sections: •

the Setup Window

•

the Messa ge Window

•

the Techniqu e area (blank)

Figure 6 1: The Additional Setup Screen

The Setup Window contains the following data fields:

c

•

• • • • • •

•

Compression Force Units

RIS Film Flash Time

Date Time

ADDITIONAL DE F

UL T S

SETUP

The following paragraphs detail each of the Additional Setup data fields, and the choices available for for each field, and instructions for changing or modifying them.

Institution Name Institution Address

The user can access each o f these da ta fields fields to set the

machine to the parameters desired. The Message Wmdow displays instructions that guide the

Compression Force Units Dat a Field Use this field to set the unit of measure in which the

system displays the compression force.

user through the correct sequence of setup steps for

The two choices are:

entering data into the highlighted data field. The right side o f the Message Wmdow contains the machine status, which always reads n D D mON L SETUP .

•

NEWTONS

•

LBS (pounds)

The Exposure Technique Window s always blank in the

Additional Setup mode and is not used.

To change the compression force units of measure, follow these steps:

a a

Highlight the Compression Force data field Press the Change key to switch between the two choices.

M-IV Operator s Manual

 

User Interfa