System maintenance
LOGIQ V3/V5/V5 Expert – Basic Service Manual                 10-13
5726264-100 English Rev.8
10-6-2 Functional checks
NOTE:  See also Chapter 4
The functional checks take about 60 minutes to perform. Refer 
to the Ultrasound system user documentation whenever 
necessary.
10-6-2-1 System checks
Table 10-6:  System functional checks 
Step Item Description
1.  B-Mode Verify basic B-Mode (2D) operation. Check the basic Ultrasound system 
controls that affect this mode of operation.
2.  CF-Mode Verify basic CF-Mode (Color Flow Mode) operation. Check the basic 
Ultrasound system controls that affect this mode of operation.
3.  Doppler Modes Verify basic Doppler operation (PW and CW if available). Check the basic 
Ultrasound system controls that affect this mode of operation.
4.  M-Mode Verify basic M-Mode operation. Check the basic Ultrasound system 
controls that affect this mode of operation.
5.  Probe Elements Perform an Element Test on each probe to verify that all the probe 
elements and system channels are functional. 
6. Applicable 
Software Options 
Verify the basic operation of all optional modes such as Contrast. Check 
the basic Ultrasound system controls that affect each options operation.
7. Xmit/Recv 
Elements
Use the Visual Channel Utility on the loop connect to verify that all system 
xmit/recv channels are functional.
8. Operator Panel 
test
Perform the Operator Panel Test Procedure.
9.  Keyboard Do the interactive keyboard test.
10.  LCD Verify basic LCD display functions. Refer to Chapter 3 of the Basic User 
Manual.
11. Software Menu 
check
Verify Software Menu display functions. Refer to Chapter 3 of the Basic 
User Manual.
12. Peripherals See: 4-3-34 ‘Peripheral checks’ on page 4-43.
13.  Measurements In measurement mode, make distance measurement, get result in result 
window. Verify the distance by graduate rule. Distance Accuracy should 
be within ±5%. (Name result from result window Result A, result from 
graduate rule Result B; Distance Accuracy = (Result B-Result A)/Result A)