ESP WITNESS DVR4 User Manual page 3

Introduction
The digital video recorder (DVR) is for recording / retrieving video streams from up to 4
channels at the same time. It adopts a digital image compression technology to
compress the input channel video streams, and uses a HDD (Hard Disk Drive) to
record the compressed video stream.
The following operation guide explains how to operate / manage the DVR and explains
how to install the DVR at your premises and install the HDD into the DVR.
DVR Package
Those following items are supplied with the DVR package. If any are missing, please
contact your supplier.
Item
Stand Alone DVR
AC-DC Power Adapter
Removable Hard Drive
Power Cable
User Guide
CD Disk
USB Line
Q'ty
1
1
1
1
1
1
1
3
Remarks
With security KEY
Optional