Troubleshooting; List Of Compatible Signals - Precision VS11856 User Manual

Troubleshooting

If you think something is wrong, check the followings before contacting customer service.
If This Happens
No power
Power is lost during use
No picture
Picture not displayed correctly
Picture blurred Part of picture out of
focus
Colors too light
Bad shading

Check
* Is the power cord or battery pack plugged in?
* Is it connected to the projector?
* Is the ambient temperature high?
* Is the air intake or air exhaust blocked?
* Is the projector turned on?
* Are the connections set up correctly?
* Are all the connected devices functioning properly?
* Is the input signal supported by the projector? ,
* Is something generating an abnormal video signal,
for instance the video tape?
* Is the lens dirty?
* Is the lens focus adjusted optimally?
* Is the projection distance within the projector's
supported range?
* Is the projector's screen placement angle tilted too
far?
* Are the sharpness or sampling phase adjustments
off?
* Are the color or tint, adjustments off?
* Is the screen dirty?

List of Compatible Signals

Analog PC timing
Mode Resolution
VGA 640 x 480
DOS/Text mode
640 x 480
visible
640 x 480
640 x 480
640 x 480
SVGA 800 x 600
800 x 600
800 x 600
800 x 600
800 x 600
800 x 600
XGA 1024 x 768
1024 x 768
1024 x 768
1024 x 768
1024 x 768
WXGA 1280x768
SXGA 1280 x 1024
1280 x 1024
Coordinated Video 640 x 480
Timing
832 x 624
1024 x 768
V-Sync H Sync
50 Hz 24.69 kHz
60 Hz 31.5 kHz
72 Hz 37.9 kHz
75 Hz 37.5 kHz
85 Hz 43.3 kHz
50 Hz 30.99 kHz
56 Hz 35.2 kHz
60 Hz 37.9 kHz
72 Hz 48.1 kHz
75 Hz 46.9 kHz
85 Hz 53.7 kHz
50 Hz 39.63 kHz
60 Hz 48.4 kHz
70 Hz 56.5 kHz
75 Hz 60.0 kHz
85 Hz 68.7 kHz
60 Hz 47.8 kHz
64.0 kHz 60 Hz
80.0 kHz 75 Hz
67 Hz 35 kHz
75 Hz 49.72 kHz
75 Hz 60.24 kHz