How to setup audio function?
1. System connection
(1) The monitor must have HDMI input port.
(2) Connect the HDMI port on both sides with the included HDMI cable.
2. NVR setup
(1) Choose the option "Private" on this interface during NVR's restarting. It allows you select audio or not.
(2) Check whether the encode mode is "AV stream" or not.
(3) On the live window, click mouse to select any channel to pop-up the hidden volume icon like a speaker, click it repeatedly to hear or mute the sound from camera.
