Qomo QIT1455, Руководство пользователя

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Troubleshooting
Remote Control
Remote control out of order
⚫
Check whether there is object between remote control and panel
receiver;
⚫
Check whether the battery is installed correctly;
⚫
Check whether the battery is drained.
Touch
Touch does not response.
⚫
Make sure infrared frames have not been obscured.
⚫
Check whether you enable freeze function on remote control.
Built-in PC
OPS shut down automatically.
⚫
Check if OPS is properly installed;
⚫
Sleeping mode setting;
Handwriting
Part of the handwriting cannot
be displayed.
⚫
Use the pen rather than a finger to write. Hold the pen as far to the
nib as possible. The angle between the pen and display needs to be
greater than 60 degrees. Do not touch the display with your sleeve
or wrist.
⚫
Change the nib or use a pen with larger covering area.
⚫
Check if infrared frames are obscured.
⚫
Remove the interference source or change the using environment.
No display or no sound
No sound is played and no
image is displayed.
⚫
Check whether the power plug is inserted into the power socket
and whether the panel is powered on.
⚫
Check whether the rocker switch on the interactive panel is
switched on.
⚫
Check whether panel is in ECO mode.
⚫
Check whether the video and audio input cables are connected
correctly.
⚫
Check whether the panel is switched to the right signal source.
⚫
Check the settings on image brightness and contrast.
⚫
Check the volume.
Image is displayed properly, but
no sound is played.
⚫
Check the volume.
⚫
Check whether the Mute button on the remote control is pressed.
⚫
Check whether the audio cable between the PC and interactive
panel is connected correctly.
No image is displayed or the
image is black and white.
⚫
Modify the color settings.
⚫
Check the color system.
This is the general user manual for all QOMO interactive touch screens. Some details may be different from the
actual product.