DVR-4 4-Channel digital Recorder
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Security Notice
Power supply
This Digital-Video-Recorder applies AC 90-240 voltage indoor power supply. The voltage of
the power must be verified before using.
When the machine is not in use for a long time, pull out the plug from the socket and
disconnect the power.
Security
This machine is indoor equipment; in order to avoid dangers of short circuit or electric shock,
please do not expose the machine in rain or moist environment. In case any solid or liquids
get into the machine’s case, please cut off the power supply immediately, and ask for qualified
technicians to check the machine before restart.
This machine is precise instrument; do not attempt to repair any unit of the machine by
yourself without technical aids. When there is any malfunction with the machine, please ask
for qualified technicians to examine and repair, or contact the dealers in your area.
Installation
Please choose appropriate site to install the machine, to ensure well ventilation around the
machine to avoid the machine excessively hot. The machine cannot be installed near radiator
and ventilating trunk etc. heat sources, or under straight sunshine, or dusty places or anywhere
there is a chance for mechanical librations or impact.
Advice
While recording TV programs or VCD programs, please don’t pirate the third-party’s authority
and/or any other relative rights.
Features of this DVR
Video input: 4channels, video output: 2 channels.
May choose any one of the four video channels for surveillance and recording; as well as four
channels recording simultaneously.
Three optional levels of image quality: high, normal, low. Frame rate change enable for
recording.
Modified MJEPG.
Compatiple with NTSC and PAL format.
Support alarm recording and time recording.
Multi-function searches: be able to distinguish alarm records and time record from ordinary
records; be able to search by time or by segment (previous segment, next segment, first
segment and last segment, etc.).
Support various playback modes: pause, and 2X/3X/4X fast forward and backward play.
Automatic spot protection when power-off, automatic resume when power on.
Four alarm input and one alarm output.
Equipped remote device
P.T.Z control enable.
Totally independent from PC platform, thoroughly keeping away from shutdown caused by
inappreciative operations, complicated management and operation, and virus infection.
