Yealink VC400, Administrator'S Manual

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System Overview
19
CPE80 Expansion Microphone
If your video conferencing room is large, you can add extra CPE80 expansion microphones to
the MIC ports on the video conferencing phone to expand the audio range.
Video conferencing phone has two MIC ports. Up to two expansion microphones can be
connected to a video conferencing phone. CPE80 is a directional microphone. Its coverage
range is a 120 degree. Always ensure that the speaker faces the expansion microphone.
Item Description
① Mute Indicator LED Toggles and indicates mute feature.
② Microphone Transmits sound to other phones.
③ MIC Connector
Allows you to connect to the MIC port on the video
conferencing phone.