13
Figure 2-3
2.3
Bidirectional talk
2.3.1 Device Connection
Before the operation, connect the active pickup to the audio input port of the device. Connect the active
speaker to the audio output port of the device. Please make sure the client-end device has the audio
input and output function. For example, you need to connect the microphone and then earphone to the
PC if you want to implement the bidirectional talk function.
2.3.2 Operation
Login the Web and click the bidirectional talk button to enable this function. Click this button again; you
can close current bidirectional talk.
2.4
Alarm Setup
The alarm interface is shown as in Figure 2-4. Please follow the steps listed below for local alarm input
and output connection.
1) Connect the alarm input device to the alarm input port (No.3 pin or No.4 pin) of the I/O cable.
2) Connect the alarm output device to the alarm output port (No.2 pin) and alarm output public port (No.1
pin). The alarm output port supports NO (normal open) alarm device only.
3) Open the Web, go to the Figure 2-4. Please set the alarm input 01 port for the first channel of the I/O
cable (No.3 pin). The alarm input 02 is for the 2
nd
channel of I/O cable (No.4 pin). Then you can select
the corresponding type (NO/NC.)
4) Set the WEB alarm output. The alarm output 01 is for the alarm output port of the device. It is the
No.2 pin of the I/O cable.