GE
Direction 5370626-100, Revision 18 LOGIQ e/LOGIQ e Vet/LOGIQ i/Vivid e Basic Service Manual
Chapter 4 Functional Checks
4-19
13
Change PRF
(Pulse Repetition Frequency)
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.
For LOGIQ e, LOGIQ
e Vet and LOGIQ i
Change scale
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.
For Vivid e
14
Transparency Map
Allows to select specific transparency map
15
Focus Position
Increases the number of transmit focal zones
or moves the focal zone(s) so that you can
tighten up the beam for a specific area. A
graphic caret corresponding to the focal zone
position(s) appears on the right edge of the
image.
16
Power output
Optimizes image quality and allows user to
reduce beam intensity. 10% increments
between 0-100%. Values greater than 0.1 are
displayed.
17
Wall Filter
Wall Filter insulates the Doppler signal from
excessive noise caused from vessel
movement.
For LOGIQ e, LOGIQ
e Vet and LOGIQ i
Low Vel Reject
Low Vel Reject insulates the Doppler signal
from excessive noise caused from vessel
movement.
For Vivid e
18
Angio
To enter PDI (Power Doppler Imaging) mode
while not in CARD application. For CARD
application, there’s no “Angio“ rotary on
primary menu.
For Vivid e
Table 4-8
Color Flow Mode Softmenu Key
Step
Task
Expected Result(s)
Comments
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