C-10 Description of Self Test Items
Test content
Test USB communication between control panel and main unit works well via reading internal
USB disk drive.
Analysis to test failure
The drive goes wrong if the test result appears Error.
The communication between control panel and main unit goes wrong if the test result is FAIL.
Suggestion to failure test
Restart the device to perform the self test if the test result appears Error. It is necessary to restore
the device (OS+doppler) if Error re-appears.
It is recommended to replace control panel if the test result is FAIL.
C.1.21 Z0702 Control Panel Key, Encoder, TGC, Trackball
Function Test
Top test item
Control Panel USB Interconnection Test
Test content
Test whether the control panel keys, encoders, TGCs, trackball, backlight LEDs and indicating
LEDs on the keyboard work well, and read board ID, keyboard FPGA version and program
version.
Test description
The keyboard test interface is shown as follows:
In service testing mode, the number of times that the key is pressed is displayed at the upper left
of the key.
NOTE: If you press and hold the [Ctrl] key, it is normal that the number increases continuously.
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