Connecting audio
To record audio on the DVR, connect to the audio source.
● Audio input : Connect to the audio out of the microphone.
To listen to live or recorded audio, connect to an amplified speaker system.
● Audio output : Connect to the audio in of the audio AMP.
Connecting to a network
Use the network port to connect to remote PC via ethernet network.
Connecting to a sensor input
There are 4 individual alarm inputs marked as Sensor In.
● Sensor inputs : Connect to (+) terminal of a sensor.
● Common GND : Connect to (–) terminals of sensors.
Connecting to a alarm output
The DVR can activate external devices such as buzzers or lights using the relay.
There are 4 relay outputs marked as Alarm out.
● Alarm outputs (A1~A4) : Connect to (+) terminal of buzzer or light.
● Alarm outputs (B1~B4) : Connect to (–) terminals of buzzer or light.
Connecting to a PTZ camera
This RS485 connector can be used to control Pan / Tilt / Zoom camera.
(+) (-)
HD1049 installation and user manual
Common
Sensor
GND
Inputs
Alarm
Outputs
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