CTX PR711FL - Manual (Page 18)

PR711FL User’s Manual
18
Black fine vertical lines are
visible on the screen. Shock and
vibration may cause the aperture
grille misaligned, which results
few fine black vertical lines
across the screen
Degaussing the screen.
Tap lightly (do not hit) the side of the monitor.
If above mentioned remedies do not work,
please do the following:
1.Display full white window or wallpaper
background over the area where the black lines
appears.
2.Set Contrast and Brightness to the maximum,
wait for a moment until the problem is corrected.
You may try to tap lightly the side of the monitor.