Furuno GS-100, Руководство оператора

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7. MAINTENANCE, TROUBLESHOOTING
7-5
7.6 Self Test
The self test checks the ROM, RAM, input/output data, GNSS core, keyboard, LCD
performance and sound. The user can do the tests to help the service technician in
troubleshooting.
Memory
1. Press the MENU ESC key to open the main menu.
2. Select [4 Maintenance] then [2 Self Test].
3. Select [1 Memory].
4. Press the
MENU
ESC key to close the
memory test win-
dow.
Keyboard test
The keyboard test checks the controls on the operation panel for proper operation.
1. Press the MENU ESC key to open the main menu.
2. Select [4 Maintenance] then [2 Self Test].
3. Select [2 Keyboard Test].
4. Press each key one by one. A
key's corresponding location
on the display turns blue if the
key is normal. To do the key-
board test again, long-press
the
ENT key.
5. Press the MENU ESC key
three times to close the key-
board test window.