Returnstar Interactive Tech IQTouch TB1100 Pro Series User Manual page 54

Image is displayed
properly, but no sound is
played.
No image is displayed or
the image is black and
white.
This is the general user manual for IQTouch TB1100 Pro Gen 2 interactive flat panel.
Some details may be different from the actual product.
Check the volume.

Check whether the Mute button on the remote

control is pressed.
Check whether the audio cable between the PC and

interactive flat panel display is connected correctly.
Modify the color settings.

Check the color system.

54