12. MAINTENANCE, TROUBLESHOOTING
12-6
12.8
Diagnostics
This section provides the procedures for testing the equipment for proper operation.
Three tests are provided: memory I/O test, keyboard test, and test pattern.
12.8.1
Memory I/O test
The memory I/O test checks the memory and signal I/O circuits and displays the pro-
gram numbers. The results for the circuit tests are shown as [OK] or [NG] (No Good).
If [NG] appears, try the test again. If [NG] still appears, contact your dealer for advice.
Note 1:
The test results of [SIO1] to [SIO3], checked using a dedicated connector at
the factory, are normally displayed as "NG".
Note 2:
The test result of [LAN (WIRED)], [CAN], [USB (FRNT)] or [USB (BACK)] is
displayed as "NG" without connection to each port.
1. Press the
MENU
key to open the main menu.
2. Select [0. SYSTEM SETTING].
3. Select [6. TEST & MEMORY CLEAR].
4. Select [1. MEMORY INPUT/OUTPUT TEST] to start the memory I/O test.
5. Press the
DISP
key to close the test screen and the menu.
Test results of [SIO1] to [SIO3]
are normally displayed as "NG".
Test result of [LAN (WIRED)],
[CAN], [USB (FRNT)] or [USB
(BACK)] is displayed as "NG"
without connection to each port.
“- -” is displayed for non-
DGPS specification.
XX: Program version numbers
“- -” is displayed
because of N/A.
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