Furuno CH-500, Руководство оператора

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6. MAINTENANCE, TROUBLESHOOTING
6-8
6.8.2 How to test the LCD
The Test Pattern function checks the LCD colors.
To check the LCD, do the following:
1. Referring to section 5.5, open the [System] menu.
2. Press
T
or
S
to select [Test Pattern], then press
X
. The LCD test starts and the
message "Press
X
to change test pattern. Press MENU key to exit." appears at
the bottom of the screen.
3. Press
X
to cycle through the screens in the order shown below.
Red gradation Red gradation Green gradation Green gradation Blue gradation Blue gradation White White Red Red
Green Green Blue Blue Black Black Crosshairs Crosshairs
Black & white
checkered
Black & white
checkered