Chison Q9, Руководство по эксплуатации, Страница: 166 / 201

Q9 Digital Color Doppler Ultrasound System
160
Symptom Solution
The system can’t power on 1) Check power connections, e.g. power cord connection on the rear panel;
2) Check the fuse: if it is burnt due to mains fluctuation, use spare fuse for
replacement.
When starting the system, the
monitor has signal but no
ultrasound image
Switch off the system, and check probe connection.
System image quality is not good 1) Adjust the LCD monitor position for a better viewing angle;
2) Adjust the brightness and contrast of LCD monitor;
3) Adjust the image parameters, e.g. Gain, Dynamic range.
No OB calculation package menu Select the OB application before scanning.
PRINT-key doesn’t work 1) Check if the approved printer is connected;
2) Check if the printer power is on;
3) Check printer connection;
4) Check printer setting in system setup.
External monitor doesn’t work 1) Check the monitor connections;
2) Check if the monitor power is on and is set up correctly.
CFM or PW Doppler image has
noise
1) Adjust CFM or PW gain value properly;
2) Check if there is appliance or equipment resulting in strong
electromagnetic interference
Image has interference 1) Move or avoid interference source;
2) Use separate power outlet;
3) Perform good ground protection
The gray scale is S- twisted in the
image area
Adjust the power supply to normal voltage or use a voltage stabilizer
The date and time on the screen is
not correct
Press Setup-key to display General Setting screen, and correct time and date.
The Video printer is not work 1) Please confirm the signal cable, Remote cable are connected well.
2) Please make sure you have finished the setting for Video printer at system
interface.
3) If you can’t change the setting at system interface, please check whether
the video printer is turned on and connected well with the main unit.
4
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Please make sure the switch on the rear panel of printer is “on” status.
9.5 Service Responsibility
If users install, use and maintain the system fully according to CHISON’s installation manual,
operation manual and service manual, then CHISON Q9 main unit has a life time of 5 years and