Specifications

57
4
/
8
-
channel Embedded Digital Video Recorder
Appendix 1. Q&A
1. How to recover password if forgotten?
A: Please contact technicians from vender or manufacturer if you have
forgotten the password. Please set a safe password easy to remember (don’t
set simple password like 123456 if you need more safety).
2. No video output signal?
A: Please confirm that the video output port is connected to the VIDEO OUT,
and ensure BNC in DVR interface is in good connection, whether BNC cable
is used for too long time and is aging, and ensure N system/P system
selection is right.
3. The system can not detect the harddisk?
A: If the system can not detect the harddisk, please confirm that harddisk
data cable is connected well to power cable, harddisk’s interface in main
board is good, we recommend to re-plug harddisk data cable again; please
confirm power adaptor is DC19V 2.1A (the range is 2.1A--5A), you can
replace the power supply test; Seagate brand harddisk is desirable.
4. What is the affect to equipment by DVR’s heat?
A: DVR will produce certain heat during its running, please put DVR at a
safe place with good ventilation, to avoid to damage stability and service life
of the system because of high temperature for long-time.
5. How long can a 4-channel or 8-channel DVR record if 1000G harddisk is
used?
A: Please refer to Appendix 2 “harddisk space calculation”.
6. DVR’s remote controller can not work, but the monitor screen is right and
the panel buttons can be used properly?
A: If the controller is pointing to the IR signal on equipment front panel, but
the operation is still invalid, please check the batteries in remote controller, if