Furuno FM-2721 - Diagnostics

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6.2 Diagnostics
A diagnostic test facility checks the equipment for proper operation.
1. Press the [Setup] key to display the Setup menu.
Message entry
Addr.entry
Tel.NO. entry
Position
Test
System
Setup menu
2. Select Test and press the [Enter] key twice.
The test results appear as below.
FSK Loop
Check: OK!
Daily test
Results displayed as OK
or NG (No Good)
3. To quit the diagnostic test, press the [Cancel] key several times.