User Manual of DS-7604 Series DVR
HDD file system is compatible with Windows. Use pre-allocating hard disk management technology,
and no disk fragments.
Record & Playback
Cycle and non-cycle recording mode.
Supports normal and event video encoding parameters.
Eight recording time periods with separate recording types.
Pre-record and Post-record time for alarm and motion detection, and pre-record time for schedule
and manual recording.
Lock and unlock of video files.
Video data search and playback by channel number, recording type, time etc.
Supports pause, play fast, play slow, skip forward, and skip backward when playback, locating in
progress bar by dragging the mouse.
4-channel synchronous playback.
Backup
Record files backed up via USB device or SATA CD-RW.
Bunch backup by file or by time.
Record files edited for backup in playback.
Management and maintenance for backup devices.
Alarm & Exception
Unified management of alarm in/out of DVR and IP cameras.
Unified management of video tempering alarm, motion and video loss alarm of DVR and IP cameras.
Configurable arming time of alarm in/out.
Various alarm types supported: alarms for video loss, motion detection, video tempering, hard disk
error and hard disk full
standard mismatch recording exception,.
Various alarm response actions supported: sound audio warning, notify surveillance center, send
Email, and trigger alarm output.
Auto recovery from exceptions.
Other Local Functions
Control of DVR via front panel keys, mouse, IR control and special keyboard.
Three-level user management, each user with individual operating permission for DVR and IP
camera.
Powerful record and search for log of operation, alarm and exceptions information.
Import/export of device configuration files.
Network
10/100M adaptive network interface.
TCP/IP protocol suites, PPPoE, DHCP, DNS, DDNS, NTP, SADP protocols, etc.
Unicast and multicast supported; TCP, UDP, and RTP protocols applicable in unicast.
Remote search, playback and download, lock/unlock of video files; support breakpoint resume.
Remote access and configuration of parameters; remote import/export of device configuration
parameters.
Remote access of device running status, system log and alarm status.
Remote control of DVR via button operation.
Remote lock/unlock of panel buttons and mouse.
Remote formatting of hard disk, upgrade, reboot/shutdown and other system maintenance operations.
,
network failure, IP conflict, illegal login, bad video signal, video output
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