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Features
Compression
H.264 video compression in real-time (PAL: 25FPS, NTSC: 30FPS).
Each channel is independent.
One channel audio input and output. Each channel is independent with
OggVorbis compression at a bit rate of 16Kbps.
Multi-area motion detection.
On-screen display (OSD) and changeable OSD & Logo position.
Supports both constant bit rate and variable bit rate.
Supports dual-stream, and the sub stream can support CIF/QCIF
resolution.
2 stream types, including video & audio and video only. Either
composited stream or video-only stream can be selected.
Local Functions
Recording
Preview & Playback
Supports SATA HDD which can support up to 2000GB memory.
HDD S.M.A.R.T. technology
Supports FAT32 file system
Multiple record types, including manual
motion detection, alarm, motion & alarm, motion or alarm,
command.
Cycle and none cycle recording mode.
Backup recorded files and clips with USB flash disk or USB hard
disk.
Supports one composited video output and one spot video
output
DS-7204HI-VS can support one VGA output.
Sensitive area masking.
View tampering alert.
Supports video signal loss alert.
Supports play forward, backward, pause, frame-by-frame, etc.
User-defined preview layout.
Supports one playback channel.
Playback by files or by time.
Display local recording status.
recording, all time,