Philips 109B7 User Manual page 37

Edges of the picture
are not square.
Picture has a double
image.
Picture is not sharp.
Unstable Picture
Problem with On
Screen Display
For further assistance, refer to the
distributor.
Adjust the geometry.
Eliminate the use of a video extension cable and/or video
switch box.
Face the monitor toward the East for the best picture
quality.
Check to make sure Moiré is switched off.
Adjust Sync Input.
Increase your refresh rate.
Refer to the instructions and troubleshooting information
in that chapter.
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