General Procedures and Functional Checks
4-56 System view 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.