Furuno FM-8700 manual Diagnostic Test, How to start the diagnostic tests

8.3 Diagnostic Test

Regulations require that the DSC section be checked daily for proper operation.

How to start the diagnostic tests

Select a channel not in use and press and hold down the PTT switch of the handset for more than one second before starting the test.

Watch VHF CH70		Standby display
auto
	Press the [3 (TEST)] key.
* Text in progress *		Appears during testing
please wait!
	Several seconds later
* Completed * Daily test		End diagnostic test
VHF DSC: GOOD			If the PTT switch was not pressed
			before diagnostic test, "NO TX
			CHECK" is displayed.

Distress alarm sounds and red LED near the [ALARM STOP] key lights.

Press [ALARM STOP] to silence the aural alarm.

For "GOOD" (no error), press [CANCEL] key to return to the standby display.

For "NG" (No Good), press the [ENT] key to find reason for NG.

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