Philips 170x5 User Manual page 49

Troubleshooting
AUTO button not working properly
Imaging Problems
Display position is incorrect
Image vibrates on the screen
Vertical flicker appears
Horizontal flicker appears
The screen is too bright or too dark
An after-image appears
file:///D|/My%20Documents/dfu/X_model/english/170x5/safety/saf_troub.htm (2 of 3)2005-04-21 8:36:46 AM
The Auto Function is designed for use on
standard Macintosh or IBM-compatible
PCs running Microsoft Windows.
It may not work properly if using
nonstandard PC or video card.
The AUTO adjustment does not function
when digital input is used for display.
Press the Auto button.
Adjust the image position using the
Horizontal Position and/or Vertical
Position in OSD Main Controls.
Check that the signal cable is properly
connected to the graphics board or PC.
Press the Auto button.
Eliminate the vertical bars using the
Clock Adjustment of VIDEO NOISE in
OSD Main Controls.
Press the Auto button.
Eliminate the horizontal bars using the
Phase Adjustment of VIDEO NOISE in
OSD Main Controls.
Adjust the contrast and brightness on
OSD Main Controls. (The backlight of the
LCD monitor has a fixed life span. When
the screen becomes dark or begins to
flicker, please contact your dealer).
If an image remains on the screen for an
extended period of time, it may be
imprinted in the screen and leave an after-
image. This usually disappears after a
few hours