Ctl CTL 5xn, User Manual, Page: 16 / 18

11
English
Symptom Check
No picture.
Check if POWER SWITCH and COMPUTER
POWER SWITCH are in the on position.
‹q
Check if the signal cable is correctly connected to
the video card.
‹q
Check if the pins of D-sub connector are not bent.
‹q
Check if the computer is in the power saving mode.
POWER LED is not lit. Check if POWER SWITCH is in the on position.
‹q
Check if the power cord is correctly connected.
Image is unstable. Check if the signal cable is suitable to the video card.
Image is not centered, Adjust H&V SIZE or H&V POSITION to get the
too small, or too large. proper image.
Picture bounces
Keep the devices that may cause electrical interference
or a wave pattern
away from the monitor.
is present in the
‹q
picture.
See the FCC information at the front cover of the manual.
Color looks
Operate DEGAUSSING once.
blotchy.
Picture is blurred. Adjust CONTRAST and BRIGHTNESS.
‹q
Operate DEGAUSSING once.
Edges of available Adjust PINCUSHION/TRAPEZOID.
area on the screen
are not straight.
TROUBLESHOOTING