6. MAINTENANCE, TROUBLESHOOTING
6-9
[CUSTOMIZE•TEST]
1 BACK
2 [DATA BOX]
3 [F1]
4 [F2]
5 [F3]
6 [F4]
7 [OPERATION]
8 [TEST]
[TEST]
1 BACK
2 [SELF TEST]
3 [ARP TEST]
6.8 Diagnostics
A diagnostic test program is provided to test major circuit boards in the control
unit, processor unit and card I/F unit. Note that the normal radar picture is lost
during this test.
Proceed as follows to execute the diagnostic test:
1. Roll the trackball to choose the MENU box and then push the left button.
2. Roll the wheel to choose 9 [CUSTOMIZE•TEST] and then push the wheel or
the left button.
CUSTOMIZE•TEST menu
3. Roll the wheel to choose 8 [TEST] and then push the wheel or the left button.
TEST menu
4. Roll the wheel to choose 2 [SELF TEST] and push the wheel or the left
button.
SELF TEST menu
5. Roll the wheel to choose 2 START and then push the wheel or the left button
to start the test.
In a few moments the results of the test are displayed and the buzzer sounds
continuously. The ROMs and RAMs of the SPU, RFC, KEYBOARD (Control
Unit), REMOTE (Trackball-only Control Unit) and CARD I/F UNIT are
checked for proper operation. OK appears for normal operation. If NG (No
Good) appears, corresponding components may be defective. Consult your
dealer. In the middle of the display the rpm of the antenna unit and various
voltages are displayed.
[SELFT TEST]
1 BACK
2 START
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