EDAN U60 - Page 83

U60 Diagnostic Ultrasound System User Manual Operation
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Pseudo Color
Set the colorization of a
conventional B/PW mode image to
enhance the visibility so as to
distinguish B, M and PW mode
intensity.
6 types
Menu controls
Sample Volume
The echoes information in the
sample volume is used to evaluate
spectral. Adjust the sample volume
properly and keep it within the
sample area.
0.5-20.0, 16 levels
Dyn Rng
(Dynamic
Range)
Adjust the gray display range of PW
image. The smaller the value, the
narrower gray display range and the
lower contrast resolution, and vice
versa.
30-90dB
in increments of 2
WallFilter
Insulate the Doppler signal from
excessive noise caused from vessel
movement The bigger the value, the
more low velocity signals will be
filtered out.
0-3
Freq
The lower the frequency, the better
the force of penetration; the higher
the frequency, the better spatial
resolution.
2 levels
Duplex/Triplex
Set whether B (B+Color) and PW
images are displayed
synchronously.
On/Off
Sweep Speed
Adjust the scanning speed level of
the PW mode image.
0-5
Volume of PW
mode
Decrease/ increase the volume of
Doppler;
Or mute the sound.
7 levels, or mute
Press one of the
three keys on PC
keyboard:
F7/F8/F9
Steer
Adjust the steering angle of the
sample line. The angle steer
function only applies to linear probe.
-10°,0°,10°
Menu controls, or
press the left /right
arrow button on PC
keyboard.
M/D Sample
Line
Set the position of sample before
entering PW mode.
Display/hide
Press the user
defined keys
F1/F2/F3/F4 on
PC keyboard
Table 6-3 PW Mode image parameters