Dahua HCVR5204A Series, Руководство пользователя, Страница: 18 / 268

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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 file is end system auto plays the
next file in the current channel
Playback Way Support mark playback
Multi-channel
Playback
Support 1/4-channel
modes
Support
1/4/8-channel modes
Support
1/4/8/16-channel
modes
Window
Zoom
Switch between self-adaptive screen/full screen when playback
Partial
Enlargement
When in one-window full-screen playback mode, you can select any
zone to activate partial enlargement function.
Backup
function
Backup Mode
HDD backup
Support peripheral USB backup device. (Flash disk, portable disk,
USB burner and etc.)
Does not support external eSATA device backup
Support network download and backup
Network
Function
Network control
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
Zero-channel encoding
Bidirectional audio.
Motion
Detection and
Alarm
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.