3. MAINTENANCE, TROUBLESHOOTING
3-6
3.5.2 Keyboard test
The [KEYBOARD] test checks that the keys are functioning correctly.
If a key is malfunctioning, contact your dealer.
To close this test screen, press the MENU ESC key three times.
3.5.3 LCD test
The [TEST PATTERN] test checks the LCD display colors and patterns. This test
changes the display color and shows patterns.
The test start screen shows operational guidance for the LCD test, as shown in the
figure below.
Press the ENT key to continue the test, or press the MENU ESC key to abort the test.
The colors and patterns appear in the order shown below.
If the colors are not displayed correctly, or show signs of LCD damage, contact your
dealer.
Keys are highlighted when the corresponding key is
pressed. Press the key again and the highlight is removed.
Black
White
Red
Green
Blue
Black &
White
Check
Color
Gradation
LCD test
start screen
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