Operation Manual

41
Others
Before calling service personnel
If you think something is wrong, check the followings before contacting customer service.
If This Happens Check
No power • Is the power cord or battery pack plugged in? Is it connected to the
projector?
Power is lost
during use
• Is the ambient temperature high?
• Is the air intake or air exhaust blocked?
No picture • Is the projector turned on?
• Are the connections set up correctly?
• Are all the connected devices functioning properly?
No audio • Are the connections set up correctly?
• Are all the connected devices functioning properly?
Picture not
displayed
correctly
• Is the input signal supported by the projector?
,
• Is something generating an abnormal video signal, for instance the
video tape?
Picture blurred
Part of picture
out of focus
• 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?
Colors too light
Bad shading
• Are the color, tint, R-level, G-level, or B-level adjustments off?
• Is the screen dirty?
Remote control
doesn’t work
• Is the remote control’s battery exhausted?
• Is the battery inserted into the remote control correctly?
• Is the remote control being used within the effective range?
• Are there any obstructions between the remote control and projector?
• Are there any fluorescent or other bright lights shining at the
projector’s infrared remote sensor?