Mindray DC-68, Service Manual

Page: 271 / 281

Description of Self Test Items C-13

Test content
The test reads the serial number of the primary LCD monitor and compares the serial number with
that in the configuration file.

Analysis to test failure
If the test result is NaN , it indicates the primary LCD monitor does not support the test.
If the test result is FAIL , it indicates the serial number of the primary LCD monitor is not consistent
with that in the configuration file.

Suggestion to failure test
Deselect the test if the test result appears NaN.
Restart the ultrasound system if the test result is FAIL .
C.1.29
Z0403 Primary LCD Monitor Configuration Test

Top test item
Primary LCD Monitor Serial Number Test

Test content
The test reads the checksum of the primary LCD monitor and compares the checksum with that in
the configuration file.

Analysis to test failure
If the test result is FAIL , it indicates the checksum of the primary LCD monitor is not consistent
with that in the configuration file.

Suggestion to failure test
Restart the ultrasound system if the test result is FAIL .
C.1.30
Z0902
Primary LCD Monitor Brightness Control Test

Top test item
I2C communication test of primary LCD monitor

Test content
The dialog box appears when performing the test. The program controls the brightness of primary
LCD monitor via 12C interface. The brightness goes down to the lowest, and then goes up to the
highest, then gets back to normal. If backlight changes, click “Yes, I Can”, otherwise click “No, I
Can’t”. If the user clicks “Retry” the system will repeat the procedure mentioned above.