“Source” menu can select channel, the options include VGA, HDMI, BNC, CAM. Press button to
select, press menu button to exit.
1. Please wipe dust and other particles with clean downless mull.
2. If it is still not clean, please smear diluent neutral cleaner free from brightener on the clean down-
less mull and wipe with it. Wipe dry with a dry mull after cleaning it.
3. Rubbing or knocking the housing with fingernails or other hard objects might cause scratch.
Before consulting service staff, please find out the possible reason for the problem and the possible
solution according to the following chart.
Before consulting service staff, please find out the possible reason for the problem and the possible
solution according to the following chart.
Channel selection
The way of cleaning
Trouble shooting
Trouble shooting ways
Phenomenon
Handling method
1
2
3
4
5
6
7
8
9 10 11
No image or sound
⊕
⊕
⊕
⊕
⊕
⊕
Inferior sound, normal image
⊕
⊕
⊕
⊕
⊕
Inferior image
，
normal
sound
⊕
⊕
⊕
⊕
⊕
⊕
Poor signal
⊕
⊕
⊕
⊕
⊕
Vague image
⊕
⊕
⊕
⊕
Double image
⊕
⊕
⊕
⊕
Interfering lines in image
⊕
⊕
⊕
⊕
Twisty image
⊕
⊕
⊕
⊕
Poor signal
⊕
⊕
⊕
⊕
⊕
⊕
Rung stripe in image
⊕
⊕
Image vertically scrolls
⊕
⊕
⊕
⊕
Inferior color
⊕
⊕
⊕
⊕
⊕
⊕
⊕
⊕
No color
⊕
⊕
⊕
⊕
⊕
