User Manual
Table Of Contents
- Product support
- Safety warnings and precautions
- Important safety instructions
- Package contents
- Setting up the display
- Parts of the display and their functions
- Connection
- Basic operations
- Menu operations
- Android system interface
- APPS
- Product information
- Troubleshooting
- Accessibility Requirements for Rehabilitation Act of 1973, Section 508
Troubleshooting78
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 chromaticity and brightness or contrast in menu.
• Check whether signal wire is well connected.
With image but without
sound
• Check whether mute button is pressed for mute.
• Press VOL+/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.
VGA output without
sound
Check whether connect external device with headphone
cable.










