25Axis video server - Audio (AXIS 241QA/SA only)Audio (AXIS 241QA/SA only)The AXIS 241QA/SA can transmit audio to other clients using an external microphone andcan play audio received from other clients by attaching a speaker. The Setup page for theAXIS 241QA/SA has an additional menu item called Audio, which allows different audioconfigurations to be set up, e.g. full duplex, half duplex and simplex.Note: The speaker attached to the audio output of the AXIS 241QA/SA must have abuilt-in amplifier, which is the case for e.g. some PC speakers.Audio SettingsThis section describes how to configure the basic audio settings for the AXIS 241QA/SA,e.g. set the communication mode and adjust the sound levels in the microphone andspeaker connected to the camera.Enable AudioSelect the video sources that the AXIS 241QA/SA will transmit and receive audio from.Audio ChannelsThere are two mono audio channels between the AXIS 241QA/SA and each connectedclient, one for receiving audio and the other for transmitting audio. Each audio channelcan be turned on or off, which means there are four audio mode options that can be used.