User's Manual Part 2

73
Scan modes overview
Color/Power Doppler mode overview
Both Color and Power Doppler modes can work with other scan modes
to form duplex and triplex modes.
Color/Power Doppler mode image controls
Use the following Color/Power Doppler mode image controls during live
scanning.
B Color PW
M Power
Color Gain 45
PRF 1.0
Steering 0
WF 20.0
12
Depth 15.0 QScan 1
Focus 8.0 Persist 3
Baseline 15 Reject 255
Freq
M
Flow
Invert
Density
H
THI
L/R U/D
QBeam
1
Dual Toggle Full Scr
Color Map 1 Sector Width 256
Threshold 4 Sector Pos
TX Power 80.0
Zoom
Image
Reverse
Needle
Erase
BDMK
Annot Label Arrow
Annot
Del
BDMK
Probe
Pos
Rotate Close
Figure 30 Color Doppler mode image controls

Pulse Repetition Frequency (PRF): adjust the velocity range of the
display, which manifests as a scale.

Wall filter (WF): adjust the wall filter setting to reduce or eliminate
unwanted low-frequency, high-intensity signals generated by
movements of blood vessel walls.
B Color PW
M Power
Power Gain 50
PRF 0.8
WF 16.0
Dir Power Flow Invert
12
Depth 15.0 QScan 1
Focus 8.0 Persist 3
Steering 0 Reject 255
Freq
M
Zoom
Density
H
THI
L/R U/D
QBeam
1
Dual Toggle Full Scr
Color Map 1 Sector Width 256
Threshold 4 Sector Pos
Baseline 15 TX Power 80.0
Image
Reverse
Needle
Erase
BDMK
Annot Label Arrow
Annot
Del
BDMK
Probe
Pos
Rotate Close
Figure 31 Power Doppler mode image controls

Dir Power: activate Directional DPI with the DPI indicator displaying
the direction of flow for use in applications where sensitivity and
directional information are both required.