DVR User Manual
  User’s Manual 
DVR-4TH/8TH/16TH Series 
SPECO TECHNOLOGIES 07/10
143
Appendix A: Technical Specifications 
Speco Technologies is constantly developing product improvements. We reserve the right 
to modify product design and specifications without notice and without incurring any 
obligation. 
Function  4CH  8CH  16CH 
Operation System  Embedded ( Linux ) 
Video Standard  NTSC/PAL switch selectable 
Video Operation 
(Live, Record, Playback , Remote, and Internet access  
Resolution – Live Video  NTSC: 720 x 480 pixels PAL: 720 x 576 pixels 
Input 
BNC x 4, 
1.0Vp-p/75 ohm 
BNC x 8, 
1.0Vp-p/75 ohm 
BNC x 16, 
1.0Vp-p/75 ohm 
Main Monitor  BNC x 1, S-Video x 1, 1.0Vp-p/75 ohm 
Call monitor  BNC x 1, 1.0Vp-p/75 ohm 
Outputs 
Loop 
BNC x 4, 
1.0Vp-p/75 ohm 
BNC x 8, 
1.0Vp-p/75 ohm 
BNC x 16, 
1.0Vp-p/75 ohm 
Digital Display Output  800 x 600, 1024 x 768, 1280 x 1024, 720p pixels 
VGA Output  800 x 600, 1024 x 768, 1280 x 1024, 720p pixels 
Picture Refresh Rate 
NTSC: 480 PPS(16CH) 
PAL: 400 PPS(16CH) 
Digital Zoom  2 x 2 
Video 
Camera Installation  Plug & Play 
Input 16, Line-In 
Main Output  RCA x 1, Line-Out 
Output 16, Line-Out 
Recording Mode  Always Real Time Record, Synchronized w/ Video 
Compression Method  ADPCM, G.726 
File Size  8KB/Sec 
Operation  Remote + VCR mode 
Audio 
Playback  Only for Video Original Speed 
Compression Method  H.264, MPEG-4, and MJPEG 
Recording Mode  Schedule, Alarm, Motion Detection 
Pre-Alarm 0~30 sec 
720x480: H.264= 60 pps,  MPEG4=120 pps,    MJPEG=120 pps   
720x240: H.264=120 pps,  MPEG4=240 pps,  MJPEG=240 pps 
NTSC 
352x240: H.264=240 pps,  MPEG4=480 pps,  MJPEG=480 pps 
720x576: H.264= 50 pps,  MPEG4=100 pps,  MJPEG=100 pps 
720x288: H.264=100 pps,  MPEG4=200 pps,  MJPEG=200 pps 
Resolution 
& Rate 
PAL 
352x288: H.264=200 pps,  MPEG4=400 pps,  MJPEG=400 pps 
Recording Quality  8 levels presets, adjustable 
Image Size  2K to 20K Byte/picture 
Recording 
Storage Mode  Linear/Circular 
Playback  Play, Stop, Pause, Rewind, Forward, Search 
Playback Speed 
Adjustment 
Yes: 1X, 2X, 4X, 8X, 16X, 32X 
Retrieve Date/Time, Event 
Playback 
Data Life Time  Yes(Programmable) 
Build-in Storage  X4 SATA, HDD/DVD+RW 
Built-in HDD  Up to 3 built-in HDDs 
External Storage  NAS via GB and NIC 
Storage 
Export  X4 USB2.0 ports, support ThumbDrive
®
, or DVD+RW 










