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Operating language
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Chinese simplified / English
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Operation interface
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Graphical menu operation interface
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Video input
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1-4 independent input 1.0Vp-p, 75Ω
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Video output
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1 channel PAL / NTSC output 1.0Vp-p, 75Ω, composite video signal
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Video display
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Single image / 4 images
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Video standard
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PAL:25 f/s; NTSC:30 f/s
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Recording Rate
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PAL:100 fps, NTSC:120 fps
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Audio Input
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4 channels independent inputs, 600Ω
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Audio output
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1 channel output, 600Ω, 1.0-2.2V
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Distortion plus noise
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≤-30dB
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Audio compression
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ADPCM
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Image compression
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H.264 fixed bit stream
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Image format
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4 channels CIF(352*288), HD1(720*288),D1(720*576)
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Video Bitrate
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CIF:8K-64Kbyte/s(Per channel)
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Storage
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CIF:28M-230Mbyte/hour
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HD1、D1：32K-96Kbyte/s(Per channel)
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HD1、D1:115M - 340Mbyte/hour
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Resolution
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Playback：1*CIF(352*288)、1*HD1(720*288)、1*D1(720*576)
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Video standard
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H.264
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Internal storage
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1 SATA interface, 2.5-inch notebook hard drive, 2TB limit
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Image Quality
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1-8 adjustable
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Power
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DC8-48V 5% ≤12W
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Operating temperature/humidity
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-20~60℃/≤80%
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