7. MAINTENANCE, TROUBLESHOOTING
6. Press the F1 key three times to stop the diagnostic test.
The NMEA1 sentences appears.
7. Press the F1 key to advance the next port test.
8. Press the F1 key to stop the test.
Note: To stop the test, press the F1 key three times.
7.7.2
Plotter function test
The plotter function test should be done with following procedure.
1. Open the [MAIN MENU].
2. Select [INITIAL SETTING], then press the left button.
3. Select [TEST], then press the left button.
4. Select [SELF TEST (PLOTTER)], then press the left button.
The test result appears. When the result of NG is shown, contact your local dealer
to arrange for service and repair.
Note: When no device is connected to the external ports, the result is shown as
"NG". Further, USB ports are 2.0 format; if a USB 3.0 format device is connected,
the results is shown as "NG".
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