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2. Main Functions
Main
Sub-Item
Instructions
Recording
Sub-System
Video Channel
5Channel video + Audio recording synchronously
；
Resolution
Support 1*1080P IPC, 4*720P(1280*720),4*D1(704*576),4*HD1(704*288),
4*CIF
（
352*288
）；
Each channel is individually adjustable.
Image Quality
0-7 levels, 0 is the highest level.
OSD
Overlays information such as date time and vehicle ID
Loop Rec
Support SD card loop recording, loop cover previous video
Record Mode
Timed recording, alarm trigger recording and manual recording
Preview
Support 1 channel and 4 channels preview. Support enlarge
video image when alarm trigger and video rear view trigger
；
Disk
overwritten
Space pre-allocated Support disks overwritten function.
Playback
System
Video Search
Search video files anytime per day, type(n/a)
Playback
Support 1 to 4 channels playback.
Support forward and backward play at the speed of: x2 ,x4,x8,x16.
Support alarm spot search and time search.
GUI
Graphical User
Interface
Setup system parameters with the remote control.
Alarm
Input
8 channels electrical level alarm input for optional
Alarm linkage recording
\Active
request the intercom
\One-key phone calling
functions,etc.
Output
Max support 2ch level output
Optional
functions
GPS Positioning
Built-in GPS/BD module: can sync record GPS information, trace replay.
PTZ Control
Support Pelco-D protocol 485 PTZ remote/local control,preset.
Serial Expand
Support LED Advertisement Panel\Oil Sensor\POS\B
us Station Broadcaster
\Car
OBD,ect.external devices.
G-Sensor
G-sensor,
Record vehicle real-time status.
TTS Voice
Broadcast
Support TTS voice broadcast function.
Network
Can expand WIFI module,support 801.2b/g/n, 801.2a/c
Built-in EVDO/WCDMA/TD-LTE/FDD-LTE,etc, 3G/4G module.
Others
ON/OFF
System delay-time power on/off;
File System
DVR special file recording System Technology,Exclusive car record file
system,space pre-allocate,4ch single file Record,cyclic covering
；
To avoid the
storage of the media causes file fragments, with high reliability and high stability
；
***** Above parameters any changes,please refer to actual product ******
