NEC 1850X User Manual page 28

Image is unstable, unfocused or swimming is
apparent
• Signal cable should be completely attached to the computer.
• Use the OSM Image Adjust controls to focus and adjust display by
increasing or decreasing the fine total. When the display mode is
changed, the OSM Image Adjust settings may need to be readjusted.
• Check the monitor and your display card with respect to compatibility
and recommended signal timings.
• If your text is garbled, change the video mode to non-interlace and
use 60 Hz refresh rate.
Message "OUT OF RANGE" is displayed (screen is
either blank or shows rough images only)
• Image is displayed only roughly (pixels are missing) and OSM
warning "OUT OF RANGE" is displayed: Either signal clock or
resolution is too high. Choose one of the supported modes.
• OSM warning "OUT OF RANGE" is displayed on a blank screen:
Signal frequency is out of range. Choose one of the supported
modes.
LED on monitor is not lit (no green or amber color
can be seen)
• Power Switch should be in the ON position and power cord should be
connected.
Display image is not sized properly
• Use the OSM Image Adjust controls to increase or decrease the
Coarse total.
• Check to make sure that a supported mode has been selected on the
display card or system being used. (Please consult display card or
system manual to change graphics mode.)
No Video
• If no video is present on the screen, turn the Power button off and
on again.
• Make certain the computer is not in a power-saving mode (touch the
keyboard or mouse).
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