Furuno NAVpilot-300, Руководство оператора, Страница: 83 / 101

6. MAINTENANCE, TROUBLESHOOTING
6-7
6.4.4 Keyboard test
The keyboard test checks the key panel on the control unit.
To conduct this test, open the [Diagnostics] menu, then select [Keyboard Test].
Press each key. The related on-screen location fills in blue if the key operating nor-
mally.
To go back to the Diagnostics menu, press three times.
To go back to the normal display screen (close the menus), press and hold .
6.4.5 Screen test
The screen test checks the control unit for correct presentation of color tones.
To conduct this test, open the [Diagnostics] menu, then select [Screen Test].
Press to cycle through the screens in the order shown below.
To go back to the Diagnostics menu, press .
To go back to the normal display screen (close the menus), press and hold .
Keyboard Test
Press [menu] three times to return.
10
Screen Test
Change test pattern?
Yes... Press [10>>]
Press [menu] to return
White White
Test start Test start
Black Black Red Red
Green Green Blue Blue
Multi-hue
RGB
Multi-hue
RGB