Furuno GP-170 - Self Test

10. MAINTENANCE, TROUBLESHOOTING
10-5
Keyboard test
1. Press the MENU/ESC key to open the main menu.
2. Select [6 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.
5. Press the MENU/ESC key three times to close the keyboard test window.
LCD test
1. Press the MENU/ESC key to open the main menu.
2. Select [6 Maintenance] then [2 Self Test].
3. Select [3 LCD Test]. The operation instructions display opens.