Troubleshooting - Wintal DVBT702HD User Manual

X Troubleshooting
The following phenomenon does not indicate failures. Before you contact us for repair, please
check your device according to the approaches below.
Problems
No picture or sound
No signal
No sound
Mosaic images
Signal search failure
Too-dark images
Mosaic images or slack images/
sound occur when the car is moving
The AC adapter does not connect to the vehicle
adapter properly; Non-permissible power is applied;
The power is off.
Check whether the antenna is located well;
Check the parameter of image or region is set correctly;
if not, please set or search again.
Check whether the volume is minimized; Check whether
the headset is connected; The signal quality is poor;
The sound attenuation function is activated; Check
whether the audio system in ATV mode is set correctly.
Check whether the antenna is adjusted properly;
The signal strength is too weak.
Check whether the country and region is set right;
Maybe the signal intensity is too poor.
Check whether the brightness and contrast of your
display is adjusted well; if not, readjust it.
May the signal intensity in this region is too weak.
Please try a vehicle digital TV antenna.
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Causes