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DVR cards - advanced features are now standard...
Offsite alarm event notification, video motion detection and digital zoom functions highlight the many standard features of today's dvr cards.
Here are some of the standard features you should expect...
- Adjustable Recording Rate from 1 to 30 Frames/sec.
- Brightness, Contrast, Saturation, Hue Control Settings
- Digital Zoom Function
- Programmable Video Masking
- Multiple Video Detection Zones
- Multiple Alarm Trigger Modes: Speaker Alarm or Offsite Alarm Notification to Phone or Pager
- User Friendly Interface for Browsing and Playback
- Store Log Files Locally or to Remote Server
- Log File Management with Date & Time Information
And you should expect to get a straightforward and comprehensive manual with your DVR card package.
For quick reference, make sure your dvr cards meet these mimumum specs:
- WindowsXP OS (operating system) - by far the best platform Microsoft has developed
- Multiple resolutions for recording - minimum 320x240 and 640x480
- Individual camera recording/display frame rate selection
- Triplex operation for simultaneous viewing, recording and playback
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