VCAN DVB-T2100H, Руководство по эксплуатации

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7. Before you request for repair
Phenomena below does not necessarily mean failure with TV box set.
Please check following before you request for repair.
Phenomena Possible Causes
No picture, no sound
No image
Whether antenna adjusted correctly;
Whether the correct Channel or Country
selected. May need to reset or search.
No sound
Diamonds in picture
No signal
Whether antenna adjusted correctly;
Maybe too weak signal at the receiving place.
Whether the correct Country selected;
Maybe signal too weak.
Mosaic appears or
slack image and sound
when the car moves
Unsteadily signal due to cars moving;
the signal is not strong enough.
Improper connection with AC adapter or Car
adapter. Use of unauthorized power supply.
The TV Box is in protected status, Press
CH+/CH- to normal playback.
Check whether the volume is minimized;
The signal quality is poor;
The sound attenuation function is activated;