13
User Manual
All the pictures in this manual are for reference only, subject to our available products.
Simple Troubleshooting
Video Function Can’t Work Normally
No picture and
no sound
Check whether the machine is started state.
Check whether signal wire is well plugged, whether INPUT is corresponding to it.
If in internal computer mode, check whether internal computer is started.
With horizontal or
vertical stripes or
image dithering
Check whether signal wire is well connected.
Check whether other electronic equipment or power tools are placed
around the machine.
No color, color is weak,
or image is weak
Adjust chromatic and brightness or contrast in menu.
Check whether signal wire is well connected.
Audio Function Can’t Work Normally
With image but
without sound
Check whether mute button is pressed for mute.
Press VOL + / - to adjust volume.
Check whether audio line is connected correctly.
Only one speaker
has sound
Adjust sound balance in menu.
Check whether computer sound control panel only sets up one sound channel.
Check whether audio line is connected correctly.
HDMI output
without sound
Check whether connect externaldevice.
