Furuno 1835 Operator's Manual page 113

. CD T
1. Press the
2. Use the Cursorpad (S or T) to select [Tests] and press the ENTER key.
3. Use the Cursorpad (S or T) to select [LCD Pattern] and press the ENTER key.
MENU
key
Black
MENU
key
Green
4. Press the
N 1 You can cancel the test at any time when you press the CANCE
key.
N 2 You can adjust the screen brilliance with the
EN key to open the menu.
MENU
key
White
MENU
key
Blue
EN key several times to close the menu.
6. MAINTENANCE, TROUBLESHOOTING
MENU
Red
MENU
Checker board design
key
key
7 tones of gray
OFF
key during the test.
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