User Manual
9
The way of cleaning
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
downless 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.
Trouble shooting
Before consulting service staff, please find out the possible reason for the problem and the
possible solution according to the following chart.
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
⊕
⊕
⊕
⊕
⊕
⊕
