Dahua Technology HE-T User Manual
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Privacy 
mask 
Support one privacy mask of user-defined size in full screen. 
Support max 4 zones. 
Image 
Information 
Channel information, time information and privacy mask zone.
TV Adjust
Adjust TV output zone suitable to anamorphic video.
Channel 
Lock 
Cover secret channel with black screen though system is encoding 
normally. 
Screen-lock function to prevent unauthorized user seeing secret video. 
Channel 
Information 
Channel name, recording status, screen lock status, video loss status 
and motion detection status are shown on the bottom left of display 
screen. 
Color 
Configuratio
n 
Hue, brightness, contrast, saturation and gain setup for each channel.
Audio Input
4-ch 200-2000mv 
10KΩ(BNC) 
8-ch 200-2000mv 
10KΩ(BNC) 
16-ch 200-
2000mv 10KΩ 
(BNC) 
Audio 
Output 
1-ch audio output 200-3000mv 5KΩ(BNC)
Audio
Bidirectional 
Audio 
1-ch audio talk input 200-3000mv 10KΩ(BNC) 
1-ch audio talk output 200-3000mv 5KΩ(BNC) 
Hard Disk
8 built-in SATA port. Support 8 HDDs.
 
 
Hard disk 
Hard Disk 
Occupation 
Audio:PCM 28.8MByte/h 
Video:56-900MByte/h 
Recording 
Mode 
Manual recording, motion detection recording, schedule recording and 
alarm recording 
Priority: Manual recording> alarm recording>motion detection 
recording>schedule recording. 
Recording 
Length 
1 to 120 minutes single record duration (Default setup is 60 minutes)
Playback 
Repeat 
Way 
 
When hard disk is full, system can overwrite previous video file.
Record 
Search 
Various search engines such as time, type and channel.
Playback 
Mode 
Various fast play, slow play speeds, manual frame by frame playback 
and reverse play mode. 
Various File 
Switch 
Ways 
Can switch to previous or next file or any file in current play list. 
Can switch to file on other channel of the same time. (If there is a file) 
Support file continuous play, when a file is end system auto plays the 
next file in the current channel 
Multi-
channel 
Playback 
There are two playback modes: 4-ch and full-channel. In 4-ch 
playback mode, you can select the 1/2/3/4-ch playback according to 
your requirement. In full-channel mode, system can playback in full 
channels. Please note the 4-ch has no full-channel playback mode. 
Window 
Zoom 
Switch between self-adaptive screen/full screen when playback
 
 
 
Record and 
playback 
Partial 
Enlargemen
t 
When in one-window full-screen playback mode, you can select any zone 
to activate partial enlargement function. 
HDD backup 
Support peripheral USB backup device. (Flash disk, portable disk, USB 
burner and etc.) 
Support peripheral eSATA backup device. 
Backup 
function 
Backup 
Mode 
Support network download and backup
