Velleman DVBTR, Руководство пользователя

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DVBTR_v2 VELLEMAN - 12 -
9. Troubleshooting
Some simple checks or a minor adjustment may eliminate the problem and restore proper operation. Let a technician
maintain the unit.
Keep the device away from static electricity during maintenance as the video processor is very sensitive.
Trouble
Possible Cause Suggested Solution
No power
Power cord has not been connected
properly
Plug the power cord tightly into the power
outlet and switch on the power. If there still
is no power, switch off the unit again and
wait 5 to 10 min. before switching the unit
on
Can not scan program
•
Antenna is not adjusted properly
•
Parameter input is incorrect
•
Use the antenna correctly
•
Adjust the antenna or use an outdoor
antenna
•
Use an antenna with a 75 Ω impedance
•
Set the frequency and bandwidth
correctly
No picture
•
Output cord incorrectly connected
•
Video output mode of the unit is set
differently than the mode of the
monitor
•
Connect the output cord correctly
•
Reset the working mode
No colour
•
Output cord incorrectly connected
•
Video output mode of the unit is set
differently than the mode of the
monitor
•
Connect the output cord correctly
•
Reset the working system
Image distortion from one
channel to another
Normal
The RCU is not working
•
Batteries incorrectly inserted
•
Batteries are exhausted
•
Operation distance is too far or
operating angle is too large
•
Remote control sensor is obstructed by
bright light
•
Insert the batteries correctly
•
Replace the batteries
•
Operate within the range
•
Place the unit in another place
Audio sound and subtitle
cannot be chosen
Sound channel incorrectly chosen
Press the AUDIO button to shift the
channel
No sound
•
Mute button is pressed
•
Volume is set at a low level
•
Cable incorrectly connected
•
Cancel the mute
•
Augment the volume
•
Connect the cable correctly
Sudden sound drop
•
Short circuit
•
Mute button is pressed
•
Entering sleeping status
•
Connect the output cable correctly and
reopen the unit
•
Cancel the mute
•
Reopen the unit
Seriously distorted
reception
Serious interferential status Adjust the antenna