COP-USA DVR2704XE-L - Manual (Page 13)

DVR User Manual
7
Item Name Description
2 K/B Connect to keyboard
3 HDMI port Connect to high-definition display device
4 CVBS port CVBS video signal output
5 GND Grounding
6 Alarm out 1-ch relay output. Connect to external alarm.
7 Alarm in Alarm inputs. Connect to external sensors
8 LAN Network port
9 USB port
To connect external USB devices like USB flash, USB HDD for backup or update
firmware; or connect to USB mouse
10 VGA port VGA output, connect to monitor
11 Audio in 4-ch Audio inputs
12 Audio out Audio output, connect to the sound box
13 Video in 4-ch video inputs
14 DC 12V Power input
15 Power switch Turn on/off the power supply
2.4 Remote Controller
It uses two AAA size batteries.

Open the battery cover of the Remote Controller.

Place batteries. Please take care of the polarity (+ and -).

Replace the battery cover.