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Page 18
VM99S
CONDITION
Display image : full white pattern
4-a
Set Brightness to cutoff and Contrast to maximum.
4-b
Move cursor to choose ABL inside contrast icon.
4-c
Adjust ABL to set Y=32±1FL
4-d
Repeat all the procedures in 5-2-2 section until the best white balance is obtained.
5-2-3 Focus Adjustment
CONDITION
Display image : “e” character pattern
PROCEDURE
1. Set Brightness to cutoff and Contrast to maximum.
2. Adjust top VR at T101 (static focus VR) to make vertical line clear.
3. Adjust center VR at T101 (dynamic focus VR) to make horizontal line clear.
4. Repeat above procedures to get best focus.
5-2-4 Dynamic focus Adjustments
1. Horizontal dynamic focus set Hf=370V ±10 V in phase (compare with Vcp signal).
2. Vertical dynamic focus set Vf=145V ±10V in phase.
5-2-5 Static Convergence Adjustments
Static convergence involves alignment of the red, blue and green lines in the center area of the display.
Note :
The monitor requires 30 minutes warm-up time for convergence adjustment.
CONDITION