GE HEALTHCARE LOGIQ C3/C5 PREMIUM
DIRECTION 5341787-100, REVISION 8 BASIC SERVICE MANUAL
4 - 18 Section 4-3 - General Procedure
17
Change PRF (Pulse Repetition Frequencies)
- (Wall Filter)
Velocity scale determines pulse repetition
frequency. If the sample volume gate range
exceeds single gate PRF capability, the
system automatically switches to high PRF
mode. Multiple gates appear, and HPRF is
indicated on the display.
18
Trace Sensitivity
Adjusts the sensitivity to get more accurate
envelope trace.
19
Time Resolution Adjusts the resolution in frequency domain.
20
Spectral Average
Optimizes the smoothness of the spectrum.
Different levels can be selected.
21
Power output
Optimizes image quality and allows user to
reduce beam intensity. 10% increments
between 0-100%. Values greater than 0.1 are
displayed.
22
SV Length
Sizes the sample volume gate.
23
Wall Filter
Wall Filter insulates the Doppler signal from
excessive noise caused from vessel
movement.
Table 4-8 Doppler Mode Touch Panel Controls
Step Task Expected Result(s)
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