H.264 AHD 4CH MOBILE DVR
X7 Series User manual
7
CHAPTER 2:Device installations
1.Specifications
Attentions:
If customer need to purchase the AHD_M Cameras by themselves, please make sure the
definition of pin ports on aviation connector should
match with our DVR connector"s
Parameters
Descriptions
Model
X7 Series
Basic functions
with basic functions such as REC,PLAYBACK,ALARM, VGA,USB,IR,HDD,SD,
TV-OUT, etc.
Optional functions
4.5” LCD
GPS
Wi-Fi: not available now 3G/4G:not available now
Power Supply
Car battery
（
For mobile monitoring
）
/Power adapter
（
For other applications
）
Power input
DC12V
～
DC36V(Standard power input:DC12V~DC24V, ultimate power input:
DC8V
～
DC38V)
Working Current
Model
300 ±10 mA (the reference voltage is:
DC24V)
Power output
DC12V/3A
（
Provide power for cameras,with built in re-settable fuses.
）
Working
temperature
- 10
℃～
+ 50
℃ （
ultimate working temperature: - 20
℃～
+ 60
℃）
Video Technology
H.264(Data encryption, need to use the playback software to play the videos
）
Storage
interface
Standard SATA II HDD interface, SD Card and USB devices
Storage Capacity
2.5"" SATA II 4TB HDD/128GB SD/SDHC Card
（
suggest to use the SD Card with
the speed over Class10)
Storage mode
Boot record, cycle recording
Camera
AHD_M standard cameras
Video Standard
PAL system or NTSC system
（
Please make sure the camera"s video standard
compatible to the DVR
）
Video input
Input standard: input frequency: Vp-p=1.0V, input impedance: 75Ù
Resolution
4ch AHD 720P full real time recording, also support the playback function while
recording.
Frame rate
PAL
（
1
～
100FPS optional
）
and NTSC
（
1
～
120FPS optional
）
Video quality
Multi-grade adjustable
Output signal
CVBS
（
4ch video + 4ch audio,but only support 1ch audio output at a same time)
Ethernet Port
One 10M/100M Ethernet port (RJ45)
Alarm input
8ch independent alarm input port (isolating function)
Alarm output
2ch independent alarm output port
USB Standard
2 USB 2.0 port
（
support USB back up and system upgrade
）
IR Receiver
One IR receiver
（
beside the USB port
）
DVR dimension
210
（
Length
）
*180
（
Width
）
*50
（
Height
）
mm
mainframe weight
Around 1000g
