Dahua XVR4108HS User Manual

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Parameter
Function
Contrast
It is to adjust monitor window contrast. The value ranges from 0 to 100. The
default value is 50.
The larger the number is, the higher the contrast is. You can use this
function when the whole video bright is OK but the contrast is not proper.
Please note the video may become hazy if the value is too low. If this value
is too high, the dark section may lack brightness while the bright section may
over exposure .The recommended value ranges from 40 to 60.
Saturation
It is to adjust monitor window saturation. The value ranges from 0 to 100.
The default value is 50.
The larger the number is, the strong the color is. This value has no effect on
the general brightness of the whole video. The video color may become too
strong if the value is too high. For the grey part of the video, the distortion
may occur if the white balance is not accurate. Please note the video may
not be attractive if the value is too low. The recommended value ranges from
40 to 60.
Color mode
It includes several modes such as standard, color. You can select
corresponding color mode here, you can see hue, brightness, and contrast
and etc will adjust accordingly.
5.10.1.3 Encode
5.10.1.3.1 Encode
The encode interface is shown as below. See Figure 5- 33.
Figure 5- 33

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