Furuno SC-50 Operator's Manual page 62

3. MAINTENANCE, TROUBLESHOOTING
Diagnostic test3
This test checks the buzzer signal/contact for proper operation.
1. Press the [MENU] key to open the menu.
2. Choose SYS SETUP and then press the [ENT] key.
3. Choose TEST? and then press the [ENT] key.
4. Choose TEST3 and then press the [ENT] key.
6. Press ◄ to choose YES and then press the [ENT] key.
7. Press the [ENT] key.
8. Choose OFF or ON as appropriate and then press the [ENT] key.
OFF: Buzzer sound goes off, alarm contact signal is closed.
ON:
9. To quit the test, turn off the processor unit.
3-6
(STOP: PWR OFF)
ALARM: OFF
The buzzer sounds and the alarm contact is open.
TEST1
TEST2
TEST3
Test menu options
TEST START?
ARE YOU SURE?
YES NO
Test start prompt
TEST3
TEST3 menu
OFF
ON
ALARM options