© Copyright Qvis ®. All documentation rights reserved. 21Figure 2-3 Dimension illustration 2Figure 2-4 Dimension illustration 32.3 Bidirectional talk2.3.1 Device-end to PC-endDevice Connection1. Please connect the speaker or the MIC to the audio input port of the device. Then connect theearphone to the audio output port of the PC.2. Login to the Web and then click the Audio button to enable the bidirectional talk function.3. You will see the button becomes orange after you enable the audio talk function.4. Click Audio button again to stop the bidirectional talk function.Listening OperationAt the camera device end, speak via the speaker or the pickup microphone, and then you can get the audiofrom the earphone or sound box at the pc-end.