Velleman DVBTR Manuel d'utilisateur télécharger pdf (Page 12)

DVBTR_v2 VELLEMAN

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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

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 75Ω 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

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Velleman DVBTR Manuel d'utilisateur Page 12

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