Dahua XVR4108HS User Manual

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Parameter
Function
Audio source
Please select from the dropdown list. There are two options: Normal/HDCVI.
In the normal mode, the audio signal comes from the Audio In. In the HDCVI
mode, the audio signal comes from the coaxial cable of the camera.
Watermark
enable
This function allows you to verify the video is tampered or not.
Here you can select watermark bit stream, watermark mode and watermark
character. Default character is DigitalCCTV. The max length is 85-digit. The
character can only include number, character and underline.
5.10.1.3.2 Snapshot
The snapshot interface is shown as in Figure 5- 34.
Figure 5- 34
Please refer to the following sheet for detailed information.
Parameter
Function
Snapshot type
There are two modes: Timing (schedule) and Trigger.

Regular snapshot is valid during the specified period you
set.

Trigger snapshot only is valid when motion detect alarm,
tampering alarm or local activation alarm occurs.
Image size
It is the same with the resolution of the main stream.
Quality
It is to set the image quality. There are six levels.
Interval
It is to set snapshot frequency. The value ranges from 1s to 7s.
Or you can set customized value. The max setup is
3600s/picture.
Copy
Click it; you can copy current channel setup to other channel(s).
5.10.1.3.3 Video Overlay
The video overlay interface is shown as in Figure 5- 35.

Dahua XVR4108HS Specifications

General

Video Compression	H.265+/H.265/H.264+/H.264
Audio Input/Output	1/1, RCA
USB	2 USB 2.0
Power Supply	DC12V/2A
Main Processor	Embedded Processor
Operating System	Embedded LINUX
HDCVI Camera	1080p@25/30 fps, 720p@25/30 fps
AHD Camera	1080p@25/30 fps, 720p@25/30 fps
TVI Camera	1080p@25/30 fps, 720p@25/30 fps
Record Mode	Manual, Schedule (Regular, Continuous), MD (Video detection: Motion Detection, Video Loss, Tampering), Alarm, Stop
Video Output	1 HDMI, 1 VGA
Display Split	1/4/8/9
OSD	Camera title, Time, Video loss, Camera lock, Motion detection, Recording
Smart Phone	iPhone, iPad, Android
HDD	1 SATA Port, up to 6TB
Video Input	8 channels
IP Camera Input	8+2 channel, each channel up to 5MP
Recording Resolution	1080N, 720P, 960H, D1, HD1, CIF
Record Rate	Main Stream: 1080N/720P/960H/D1/HD1/BCIF/CIF/QCIF (1~25/30fps)
Bit Rate	32 Kbps–6144 Kbps per channel
Record Interval	1 ~ 60 min (default: 60 min), Pre-record: 1 ~ 30 sec, Post-record: 10 ~ 300 sec
Resolution	1920×1080, 1280×1024, 1280×720
Network Interface	RJ-45 port (10/100M)
Interoperability	ONVIF
Working Environment	-10°C to +55°C / 10% to 90% RH
Weight	0.75kg (without HDD)
Two-way Talk	Reuse audio input/output channel 1