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Sophisticated
Network Functions: remote surveillance, playback, recording
& control DVR
4CH DVR MJPG with LAN
Compression Type:
Modified MJPG
Video output :
Composite:1.0V p-p/75O,BNC×2
Video input:
Composite:1.0V p-p/75O,BNC×4
Resolution:
Display: 720x576
Record: 720x288 360x288 (PAL)
Display: 720x480
Record: 720x480 360x240 (NTSC)
Frame rate:
Display: 100fps Record:
1--50fps (PAL)
Display: 120fps Record:
1--60fps (NTSC
Audio input: -8dB~ 22k,
RCA X4(1CH)
Audio output: -8dB --
-92dB, RCA X1
Alarm input: NO or NC,4
channel input
Alarm output: NO or
NC,1 channel input
Record Mode: Manual /
Sensor /Timer / Motion detection
Simplex/Duplex/Triplex:
Triplex
Network Interface: RJ45
(LAN, INTERNET)
PTZ control: No
Communication port:
RS485
Hard disk occupation:
25M/h-2G/h(1DD)
Remote controller: YES
Dimension:
432×55×286mm
Power supply: 12V
* Pictures and
specifications are subject to change without prior notice
4 Channel Digital Video
Recorder
43
0x0A Forward 0x15
8/display/DEC
0x0B Menu 0x16
9/previous field
Note: This protocol is
the same as PELCO-P’s call function; you can use PELCO-P’s call function
to control the DVR.
First, you must set right protocol, baud rate and address, second, you push call
button on the keypad,
then push the number according to Var above, last push enter button.
Appendix C: record time
for 40G hard disk (hour)
Rec rate field/sec
Picture quality Resolution Recording time
50 fps Very high 720
7.5 hours
50 fps Low 720 20 hours
25 fps Normal 360 24
hours
25 fps Low 360 67 hours
1 fps Normal 720 720
hours
Note: The above figures
are from our test results. Just for users’ reference. Different
definition and
stabilization (objects’ movement) of the images will make some kind of
different results.
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