© Copyright Qvis ®. All documentation rights reserved. 222.3.2 PC-end to the Device-endDevice Connection1. Connect the speaker or the MIC to the audio input port of the PC and then connect the earphone tothe audio output port of the device.2. Login to the Web and then click the Audio button to enable the bidirectional talk function.3. You can see the button becomes orange after you enabled the audio talk function.4. Click Audio button again to stop the bidirectional talk function.Please note the listening operation is null during the bidirectional talk process.Listening OperationAt the PC-end, speak via the speaker or the pickup microphone, and then you can get the audio from theearphone or sound box at the device-end.2.4 Alarm SetupThe alarm interface is shown as in Figure 2-5. Please follow the steps listed below for local alarm input andoutput 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 (please see Figure 2-5). Please set the alarm input 01 port for the first channel ofthe I/O cable (No.3 pin). The alarm input 02 is for the 2nd channel of I/O cable (No.4 pin). Then youcan 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 theNo.2 pin of the I/O cable.Figure 2-5 Alarm