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7. MAINTENANCE, TROUBLESHOOTING
7-10
7.5.2 Test pattern
The test pattern test checks the display for proper display of colors
(MODEL1722C/1723C series) or tones (MODEL1722 series).
1. Press the [MENU] key to show the menu.
2. Press the SYSTEM CONFIGURATION soft key.
3. Press the SYSTEM SETUP soft key.
4. Press the TEST & CLEAR soft key.
5. Press the TEST PATTERN soft key to show test pattern.
RETURN
GREEN
BLACK
BLUE
GREEN
RED
WHITE
PUSH ENTER KNOB TO CHANGE
PATTERN.
RETURN
RETURN
MODEL1722C/1723C series MODEL1722 series
PUSH ENTER KNOB TO CHANGE
PATTERN.
Test patterns
6. For the MODEL1722C/1723C series, push the [ENTER] knob consecutively
to show white, red, green, blue and black colors.
7. Press the RETURN soft key.
8. Press the [MENU] key to close the menu.