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PROCBDOIlB 2
LCD Contrast Check
1.
Turn the contrast knob, then confirm that the screen becomes
changed darker or brighter.
2.
If the screen is changed darker or brighter, power supply
inputs voltage to the LCD module. Go to PROCEDURE 7.
3.
If the screen is not changed, go to PROCEDURE 4.
FIGURE 2-12 LCD Contrast Check
2-38
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