IC Realtime Specialty: Interrogator DVR - a DVR for law enforcement User Manual
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Video Input 4-Channel composite video(NTSC/PAL) BNC
(1.0VP-P , 75
Ω)
Video Output 1-ch PAL/NTSC
,BNC(1.0VP-P , 75Ω) composite signal
1-ch VGA output 
Support switch between TV and VGA. 
Video Standards PAL
(625Line,50f/s),NTSC(525Line,60f/s)
Video Compression H.264 
Video Resolution Format 
NTSC
PAL
 D1(4CIF) 704*480 704 * 576 
 2CIF 704*240 704*240 
 CIF 352 *240 352 *288 
 QCIF 176*120 176*144 
Video Recording PAL 1f/s~25f/s NTSC 1f/s~30f/s 
Video Display Split Full and multiple screen display, 1 / 4 PIP 
Tour Display Support 
Image Quality 1~6 level (level 6 is the best) 
Privacy Masking Eight self-defined four-sided zones for privacy masking for 
each camera
Camera Lock Camera locked for users 
Camera Adjustment Adjust color according to different time period 
Video Information 
Camera title, time, video loss, camera lock, motion detection, 
recording 
TV Output Adjustment Adjust TV output color & display zone 
Audio 
Audio Input
2-channel input 200-1000mv 1K
Ω(BNC)
 The first channel shall short circuit with the pickup. 
 Active pickup (active 
Vpp=2V
)
MIC audio input (Line in)
Audio Output
1-channel output, 200-2000mv 4Ω(BNC)
 Local speaker output/earphone output 
Audio Compression ADPCM 
Video Detection & Alarm 
Motion Detection 
PAL: 22X18/NTSC: 22X15 detection zones
 Sensitivity: 1~6 (level 6 is highest) 
 Trigger recording, PTZ movement, tour, alarm, e-mail & 
FTP
Video Loss
Trigger recording, PTZ movement, tour, alarm, e-mail & 
FTP 
Camera masking Trigger recording, PTZ movement, tour, alarm, e-mail &
FTP
Alarm Input 4-channel, programmable, ground, manual open/closed