Lumens Technology VC-B20DU - Manual (Page 29)

English - 28
Chapter 8 Troubleshooting
This chapter describes problems you may encounter while using VC-B20D. If you
have questions, please refer to related chapters and follow all the suggested
solutions. If the problem still occurred, please contact your distributor or the
service center.
No. Problems Solutions
1. Boot without power
signal
1. Make sure you have plugged in the power cord.
2. There is no image
output from
VC-B20D
1. Check the power.
2. Check if DIP switch is properly set. Please refer to
Chapter 7 DIP Switch Setting for related settings.
3. Make sure the display supports the output resolution; in
general, the resolution is 1080p60/1080i60/720p60.
4. Replace the cables and make sure they are not faulty.
3. VC-B20D image is
severely delayed
Please use 1080p or 720p 60/50 Hz signals rather than
25/30 Hz signals.
4. Not working after
changes to DIP
Switch setting
After completing DIP Switch setting, unplug and reconnect
the power cord and turn on the machine to change the
setting.
5. VC-B20D cannot be
operated by remote
control
1. Please confirm if the Camera Select on the remote
control can be used together with the IR Select on
VC-B20D.
2. Please prevent VC-B20D from direct sunshine.
3. Make sure the energy-saving bulb and the IR touch
screen are as far as possible in order to avoid
interference.
4. When several VC-B20D are connected in the same
area, the operation of two remote controls at the same
time may result in signal interference. It is recommended
to use one remote control only.
6. The device cannot
be controlled with
Codec
1. Please consult the distributor to make sure the firmware
version is the latest one. The steps to check version is as
follows:
1.1 Press [MENU] on the remote control
1.2 Choose [Status]
1.3 Go to Page 5 of [System]
1.4 Make sure the firmware version is correct.