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The choosing of resolution is correct or not.
Please keep setting of computer output signal and projector’s consistent. We suggest
that you set resolution and frequency to 800×600 and 60HZ.
5. Picture’s color badness
The connection of signal line is correct or not.
The adjusting of picture’s brightness and contrast ratio is correct or not.
Is it time to change lamp?
When the time of changing lamp coming close, picture will become dark, you should
change a new bulb.
6.
No sound
The connection of sound equipment and sound adjusting is suitable or not.
Use electronic cables connecting output port of sound equipment and input port of
projector.(when using projector output sound) Use electronic cables connecting input port of
sound equipment and output port of projector.(when using sound equipment output sound), if
sound equipment broadcast sound.
Does output of volume adjust to voiceless mode?
There is no video signal input or original signal is silent.
7. Can not use remote control for operation
Does it have batteries? Is polarity correct or not. Is power weak?
Do operate the remote control by correct orientation?
Range of operation degree: follow 30±10% degree of projector’s front.
Do put the front of remote control to projector for operation?
Is the distance to projector too far?
Operation distance is 5.5±5% meters.
Is remote sensor affected by strong light from sunshine or fluorescent lamp?
Remote sensor is prohibited to be shined by strong light.
8. Distinguish the indicator light