Daily Test - Furuno FM-4721 Operator's Manual

7. MAINTENANCE, TROUBLESHOOTING
7.6

Daily Test

The daily test is an FSK loop test that sends a dummy DSC message to check if the
message is sent and received correctly.
1. Long push the CALL/MENU key to show the [Setup] Menu.
2. Rotate the CH knob to select [Daily Test] then press the [Select] soft key.
3. Push the [ENT] soft key to start the test.
The message "Testing" appears momentarily then "Check OK" or "Check NG" (No
Good) appears. If NG appears, request service.
7-4
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Daily Test
FSK Loop Test
Start a Test?
ENT