OR-7200ED User’s Manual
9
2.2.
Connecting Devices
2.2.1.
OR-7204ED - 4 Channel DVR
The rear panel of the 4 channel DVR comprises the following:
•
Front USB
: Two USB ports are provided to connect external devices like HDD, Flash memory for Backup, System upgrade or USB
mouse on the front panel.
Video Input
Connect the coaxial cables from the cameras to the BNC video connectors.
Audio Input
The DVR can record audio up to 4 sources. Connect the audio sources to the Audio-In RCA connectors. All channels
need external pre-amplifiers.
It is the user's responsibility to determine if local laws and regulations permit recording audio.
Audio Out
The DVR does not have amplified audio output, so you will need a speaker with and amplifier.