YL-DV8304 : Universal type of DVR, include RS485, remote
control functions without audio function.
YL-DV8304N: Universal type +
Network function ,without audio function +RS485
+remote control.
YL-DV8304NA: Universal type + Network
function + audio function+ RS485+
remote control.
YL-DV8304AL: DVR with complete
functions. (Include:RS485, remote control,audio,
network functions).
Note: When using YL-DV8304AL
and YL-DV8304N to control PTZ, must set baudrate of protocol
to 2400bps(default value). Only when setting baudrate
to 2400bps, the network function can work correctly.
When setting baudrate to 9600,the network function may has
some problems.
Features
of this DVR:
● Real time recording. Motion
detection recording can be selected to save the
size of
hard disk and increase recording time.
● Manual recoding mode, Time
recording mode and alarm recoding mode.
● Automatic continued overwrite
recording.
● Chinese language.(English
language is available if necessary)
● Audio recording(one
channel).
● Support various playback mode:
pause,fast forward and backward play.
● Video input: 4 channels, video
output: 2 channels. Four Alarm input and one
alarm
output.
● One audio input and one audio
output.
● Any size of hard disk, support
current maximum size of hard disk in market.
● Support motion alarm recoding,
the motion alarm area is selectable.
● Automatic spot protection
when power-off, automatic resume when power on.
● P.T.Z control enable with
Rs485.
● Equipped infrared remote control
device.
● Support network control.
| Itme |
Description |
Remarks
|
| Video
Input Format |
NTSC/PAL |
|
| Operating
system |
RTOS
in firmware |
|
| Video
Input Channels |
4CH
Composite |
|
| Video
Output Channels |
2CH
Composite |
VCR
OUT |
| Display
frame rate |
NTSC |
120
frame/
secretary |
4×30
frame/sec |
| PAL |
100
frame/
secretary |
4×25
frame/sec |
| Recording
frame rate
(Quad
Mode) |
NTSC |
Max.30fps (Quad) |
|
| PAL |
Max.25fps (Quad) |
|
|
|
