Dahua Technology HE-T - Manual (Page 20)

20
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
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
View monitor channel remotely.
DVR configuration through client-end and web browser
Upgrade via client or browser to realize remote maintenance.
View alarm information such as external alarm, motion detection and
video loss via client.
Support network PTZ lens control
File download backup and playback
Multiple devices share information via corresponding software such as
professional surveillance software (PSS)
Duplex transparent COM
Network alarm input and output
Network
Function
Network
control
Bidirectional audio.
Motion
Detection Zone setup: support 396((PAL 22×18, NTSC 22×15)) detection zones.
Various sensitivity levels.
Alarm can activate record or external alarm or screen message prompt.
Video Loss Alarm can activate external alarm or screen message prompt.
External
Alarm
Support record activation function or activate external alarm or screen
message in specified period.
Manual
Alarm
Control Enable or disable alarm input channel
Support analog alarm signal to specific alarm output channel.
Alarm Input
4-ch alarm input（You
can set normal open or
normal close type to
select the alarm type. ） 8-ch alarm input（You
can set normal open or
normal close type to
select the alarm type. ） 16-ch alarm input
（
You can set
normal open or
normal close
type to select the
alarm type. ）
Alarm
Output 6-channel relay output, including one controllable DC +12V output port.
Motion
Detection and
Alarm
Alarm Relay 30VDC 2A，125VAC 1A（activation alarm ）
USB
Interface
2 USB 2.0 ports.
Network
connection RJ45 10M/100M self-adaptable Ethernet port
RS485
PTZ control port
Support various PTZ control protocols.
Interface
RS232
Ordinary COM (Debug),keyboard connection and transparent serial
port(COM input and output via network )