Tivax HiRez 9″ TV User Manual - Manual (Page 21)

Appendix
21
Trouble Shooting
If you have difficulty with your digital TV receiver, there are several ways can cad debug before calling for
a service technician.
Problem Possible Causes What To Do
The display on the front
panel does not light up Power cord is not connected
Check that the power cord is plugged into
power socket
No sound and no picture
The receiver is in standby
mode
Press Mode key on the right panel to switch
to operation mode
No signal when selecting
channels
The signal cable is
disconnected Connect the signal cable securely
Program parameters are set
incorrectly Adjust antenna and point to broadcast tower
Picture only ,but no sound
System in MUTE mode
Press MUTE key on the RCU to restore
volume
Volume is set to minimum Increase the volume to suitable level
Audio setting parameter is
incorrect
Please go to Audio Setting menu, select
proper audio mode and proper audio
language
Sound only, but no picture
System in radio mode Normal
Picture is still or mosaic
phenomenon Signal is too weak
Check to make sure that the signal cord has
been connected tightly
Remote control does not
work
RCU not aimed at the
sensor on the front panel Aim at the sensor on the front panel
Batteries are depleted Change batteries.
CAUTION:
If the problems persist after you tried all of the above, please contact the dealer, and trained personnel will
help you.