AVTECH AVD 748 | 16 Channel IVS DVR


AVD748 Dimension


Video & Audio
Video System NTSC / PAL (auto detection)
Video Compression Format H.264
Video Input 16 Channels (Composite video signal 1 Vp-p 75Ω BNC)
Video Loop Input 16 Channels (Composite video signal 1 Vp-p 75Ω BNC)
Video Output (BNC) Main Monitor: For stable display
  Call Monitor: For sequence display
Video Output (VGA) Built-in VGA output for LCD monitor
Audio Input / Output 4 audio inputs, 2 audio output (Mono)
Special Features
Multiplex Operating Supports live display, recording, playback, backup, and network simultaneously
Maximum Recording Rate   Frame: 704×480 pixels with 120 IPS <NTSC> / 704×576 pixels with 100 IPS <PAL>
Field: 704x240 pixels with 240 IPS <NTSC> / 704×288 pixels with 200 IPS <PAL>
CIF: 352×240 pixels with 480 IPS <NTSC> / 352×288 pixels with 400 IPS <PAL>
DCCS Support YES (All channels)
IVS Support YES (4 channels)
Recording Mode Manual / Timer / Motion / Alarm / Remote
Recording Quality Options SUPER BEST / BEST / HIGH / NORMAL
Pre-alarm Recording YES (8 MB)
HDD Storage Accommodates 2 SATA HDDs (1 HDD capacity up to 2TB)
Quick Search Time / Motion / Alarm search mode
Backup Device DVD writer / USB flash drive / network
Web Transmitting Compression Format H.264
Network Live Audio YES
Ethernet 10/100 Base-T.
Network Protocol TCP/IP, PPPOE, DHCP and DDNS (Dynamic IP)
Network Surveillance Interface Licensed software "Video Viewer" / Internet Explorer, Mozilla Firefox orGoogle Chrome web browser / QuickTime player(10 users access simultaneously)
  *Operating System: Windows 7 / Vista / XP
Basic Remote Independent Operation YES
Event Notification By FTP / E-Mail
R.E.T.R. (Remote Event Trigger Recording) YES
IR Remote Control YES
Mobile Surveillance YES
Motion Detection Area 16 × 12 grids per channel
Motion Detection Sensitivity 3 adjustable parameters for accurate detection
PTZ Control YES
External Alarm 16 inputs, 1 output
Picture Zoom 2X digital zoom
Key Lock (Password Protection) YES
User Level Administrator & Operator
Video Loss Detection YES
Camera Title Supports up to 12 letters
Video Adjustable Hue / Color / Contrast / Brightness
Date Display Format YY/MM/DD, DD/MM/YY & MM/DD/YY
Daylight Saving YES
Power Source (±10%) DC 19V
Power Consumption (±10%) < 64 W
Operating Temperature 10℃ ~ 40℃ (50℉~104℉)
Dimensions (mm)** 432(W) × 90(H) × 326(D)
System Recovery System auto recovery after power failure
Optional Peripherals Keyboard controller

Avtech IVS DVR AVD 748


  • H.264 Video Compression Technology
    - Highly improves video quality for live, recording, and network.
    - Recording file size is minimized for longest recording time.
    - Lower bit rate required for fastest network transfer.
  • Multiplex
    - Allows live display, record, playback, backup and network operation at the same time.
  • Intelligent Surveillance
  • DVR / Camera Communication System (DCCS)
  • Remote Surveillance
  • iPhone Push Notification
  • USB Mouse Control with GUI OSD
  • Remote Independent Operation
  • Backup Function
  • Audio / Video Support



avd748 spec PDF