Chison Q9, Руководство по эксплуатации, Страница: 63 / 201

Q9 Digital Color Doppler Ultrasound System
57
4.3.21. Power Doppler(CPA) Mode imaging optimization
Soft menu adjustment
：
MENU Menu Function Menu Item Adjustable Rang
Packet Size Adjust the value of packet size 6~15, adjust range: 1
Wall Thre. Adjust wall threshold 0~15, adjust range:1
DPD Mode Exchange PD Mode and DPD
Mode
Press it can exchange between PD Mode and
DPD Mode
Shortcut Adjustment
：
SK1
（
press
）
Frequency Adjust the probe launch
frequency
Refer to current probe
SK1
（
rotate
）
Steer Adjust angle of sampling box
of blood flow under the linear
probe
Adjust range from -20 to 20,
SK2
（
press
）
Wall Filter Change of Wall filtering 0~3 adjustable
SK2
（
rotate
）
Color Map Change of Color Map type 1 ,user
SK3
（
press
）
Flow Change sensitivity of blood High, Middle and Low for
option
SK3
（
rotate
）
PRF Adjust PRF value The maximum PRF depends on
the probe and the position of
sampling box.
SK4
（
press
）
Density Change images density High and Low adjustable
SK4
（
rotate
）
Persistence Improve the current color 0~7 grade adjustable, adjust
clockwise, the numerical
increase and adjust
anticlockwise, the numerical
decrease.Adjust range: 1.
Other adjustments
：
1
、
CPA gain control.
Rotate C knob after CPA light is on then adjust the gain and the range is from 0 to 255.
2
、
Sampling box.
Moves sampling box through trackball to the area which you are interested and press the ENTER- key to confirm the
position of sampling box then adjust the size of box trough trackball and press ENTER- key to confirm.
Use the STEER toggle key to change the direction of sampling box under the linear probe.