Keyboard Test; Screen Test - Furuno FI-70 Operator's Manual

6. MAINTENANCE, TROUBLESHOOTING
6.5.2

Keyboard test

The keyboard test allows you to check each key is functioning normally.
Note: Alarms are not displayed during this test.
Press any key. If the key is functioning normally, the color for that key is changed to
blue. Pressing the key again will change the color back to black.
To close the keyboard test, press the Menu/Back three times.
6.5.3

Screen test

The screen test checks the LCD colors, brilliance and general performance. During
the screen test, press the function key to change the display as shown in the figure
below.
Note: Alarms are not displayed during this test.
Screen Test
Change Test Pattern?
Yes: Push CENTER key.
Push MENU key to return.
Yes
Press the Menu/Back key at any time to exit the screen test.
6-6
Keyboard Test
Push MENU key three times
to return.
White White
Blue Blue
Black Black
Green Green
Red Red