Furuno Sc 50 - Manual (Page 59)

3. MAINTENANCE, TROUBLESHOOTING
3-3
3.3 Diagnostics
Diagnostic test1
The diagnostic test1 checks the equipment for proper operation.
Note:
Heading is not output during the diagnostic test, and this is communicated
with an appropriate message. After completing the diagnostic test, turn the
power off and on to update heading data.
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.
TEST1
TEST2
TEST3
Test menu options
4. Confirm that TEST1 is selected and then press the [ENT] key.
TEST START?
(STOP: PWR OFF)
ARE YOU SURE?
YES NO
Test start prompt
5. Press ◄ to choose YES and then press the [ENT] key. The test proceeds in
the sequence shown on the next page.
Note:
The output port test (see next page) is intended for the service technician,
using a special test connector. If TEST1 is conducted without the test
connector, disconnect the DATA IN connector from the processor unit.