NEC LCD1280 - Manual (Page 7)

Fine VGA Horizontal Adjust (V-H2) : fine adjustment for
horizontal position of VGA mode (2 pixel / 1 dot
increment per operation).
Rough VGA Vertical Adjust (V-V1): rough adjustment for
vertical position of VGA mode (32 pixel / 16 line
increment per operation).
Fine VGA Vertical Adjust (V-V2): fine adjustment for
vertical position of VGA mode (2 pixel / 1 line
increment per operation).
Problem Check These Items
No Picture • The signal cable should be completely connected to the video card/computer.
• The video card should be completely seated in its slot.
• Power Switch and computer power switch should be in the ON position.
• Check BNC connectors to make certain that each connector has been attached correctly.
• Check H-SEL Switch and SYNC Switch to make certain that they are in the
correct position according to the Installation section of this manual.
Image is unstable or swimming • Signal cable should be completely attached to the computer.
is apparent • Check the monitor and your video card with respect to compatability and recommended
signal timings (Please see FastFacts document #52301280 and Appendix 2).
• Check the SYNC Switch and H-SEL Switch for their correct position.
LED on the monitor is not lit • Power Switch should be in the ON position and the power cord should be connected.
(no green or amber color can • Make certain the computer is not in a Power-Saving mode (touch the keyboard or mouse).
be seen)
Picture is not focused or • Use WS Clock Delay Adjust (H-C) or VGA Clock Delay Adjust (V-C) to focus
jitter is present display. When the display mode will be changed, the clock settings may need to be
re-adjusted.
Display image is not centered • Use WS and VGA horizontal and vertical adjustment controls located on the rear of the
panel to adjust centering.
Controls
8
9
Troubleshooting/Support
LCD1280 10/29/99 9:25 AM Page 7