General Procedures and Functional Checks
4-56
Versana Balance – Basic Service Manual
5808768-100 English Rev.9
4-4-6-2 Test Phantoms
The use of test phantoms is only recommended if required by
your facility's (customer’s) QA program.
4-4-7 B Mode Checks
4-4-7-1 Introduction
The B Mode is the system’s default mode.
4-4-7-2 B Mode Screen Example
4-4-7-3 Preparations
•
Connect one of the probes.
•
Turn ON the scanner.
The B Mode is displayed (default mode).
4-4-7-4 Adjust the B mode controls
Press
B Mode
on the Operator Panel to access B mode.
These Image Controls are used to optimize the B Mode picture.
Verify that all the listed controls are working as intended:
• Use
Gain
and TGC controls to optimize the overall image
together with the Power control.
• Use
Depth
to adjust the range to be imaged.
• Use
Focus
to center the focal point(s) around the region of
interest.
• Use
Frequency
(move to higher frequencies) or
Line
Density
(move to higher line density) to increase resolution
in image.
• Use
Frequency
(move to lower frequency) to increase
penetration.
• Use
the
Rejection
control to reduce noise in the image.
Содержание Versana Balance
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Страница 58: ...Introduction 1 30 System view Versana Balance Basic Service Manual 5808768 100 English Rev 9 ...
Страница 270: ...Components and Functions Theory 5 6 System view Versana Balance Basic Service Manual 5808768 100 English Rev 9 ...
Страница 278: ...Service Adjustments 6 8 System view Versana Balance Basic Service Manual 5808768 100 English Rev 9 ...
Страница 330: ...Diagnostics Troubleshooting 7 52 System view Versana Balance Basic Service Manual 5808768 100 English Rev 9 ...
Страница 376: ...Replacement Procedures 8 46 System view Versana Balance Basic Service Manual 5808768 100 English Rev 9 ...
Страница 390: ...Renewal Parts 9 14 System view Versana Balance Basic Service Manual 5808768 100 English Rev 9 ...
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