Returnstar Interactive Tech IQTOUCH User Manual page 12

No sound and image (TV, Video, PC)
Noise only, without sound and image(TV)
Image quality is not good (Video, TV)
Image fuzzy(TV)
Imagedouble/tripleshadow(TV)
Image with interference fringe, color tonal weaker
Remote Control failure
Touch TV power off automatically.
Signal extendsrange(Computer mode)
Interferenceinbackground(Computer mode)
Image lack of color or incorrectcolor is (Computer
mode)
Show un-supported format (computer mode)
Touch functiondisabled
Touch position is not correct
AC 220V power supply

Signal cable connection

Power on the Touch TV and external device

Antenna connection

Antenna receiving ability

Video signal source type

 Antenna connection
Antenna receiving ability

TV signal issue

TV station issue

Outdoor antenna connection

Antenna direction

Mountain or building reflection waves

Interference from other device

Transmitting antenna

 Try to far away from the Interferencesource
 Remote Control wrong direction
Battery wrong polarity

Sleep mode

No power supply

No signal input

Display setting

Display resolution

Horizontal /vertical sync signal

Show menu and select autoadjustment

VGA cable connection

Adjust the brightness/color/contrast

Show menu and select auto adjustment

Install touch driver

Touch object has similar size with fingers

Re-install the touch driver

 Install touch driver
Touch pen fall on the screen

Re-install the touch driver

10/10