14” & 15” Slow Scan Series User Guide 150-002
8
SECTION 5: TROUBLESHOOTING GUIDE
Problem
Item to check
The video card should be completely seated in its slot.
Computer power switch should be in the ON position.
The signal cable(s) should be completely connected to
the video card/computer.
Check the position of the BNC/D-SUB switch.
Display image is not centered, too small,
or too large
Adjust Horizontal and Vertical Size and Position Controls
to correct the image.
Image is scrolling or unstable
Signal cable should be completely attached to the
computer.
Check the pin assignments and signal timings of the
monitor and your video card.
Picture is fuzzy
Adjust Brightness and Contrast Controls.
Edges of the display are curved or
sloping
Adjust Keystone Control
Adjust Pincushion Control
Color looks blotchy
If remote degauss option is present, press Degauss
Button once, otherwise, power cycle the unit.
Picture bounces or a wave pattern is
present in the picture
Move electrical devices that may be causing electrical
interference away from the monitor
See the inside front cover of this manual for FCC
information.
No picture
