| Accessories with Your System | 218Viewing the Information of Bluetooth Wireless MicrophonesProcedure1. Do one of the following:• On your web user interface, go to Setting > Wireless Microphone.• On your VCS, go to More > Setting > Video & Audio > Wireless Microphone, and select thedesired wireless microphone.• On your CTP20, go to Setting > Audio > Wireless Microphone, and select the desired wirelessmicrophone.2. Select a desired microphone to view the information.Finding the Registered CPW90-BTProcedure1. Do one of the following:• On your web user interface, go to Setting > Wireless Microphone.• On your VCS, go to More > Setting > Video & Audio > Wireless Microphone.• On your CTP20, tap Setting > Audio > Wireless Microphone.2. Select a wireless microphone and then select Find.The mute indicator LED on the CPW90-BT flashes red and green alternately.Using CTP20The CTP20 supports wired and wireless connections. The PVT980/PVT950/VC880/VC800/VC500 canconnect up to 4 CTP20s and the VC200 supports only one CTP20. VP59 cannot be used with a CTP20.• Wired Connection to CTP20• Wireless Connection to CTP20• Using Multiple CTP20s for Collaboration• Importing an Existing Whiteboard during a Call• Saving or Sharing Whiteboard Source FilesWired Connection to CTP20After connected to the VC Hub/Phone port via the network cable, CTP20 will be connected to the VCSautomatically. For more information, refer to Yealink_CTP20_Quick_Start_Guide.Wireless Connection to CTP20If the VC Hub/Phone port of the VCS codec is used, you can connect the CTP20 to the PoE switch for powersupply, also to the wireless access point provided by the VCS codec.Before you beginMake sure the Wireless AP is enabled and the codec is connected to WF50.About this taskIf the codec connects to the wireless network and the Wireless AP is disabled, the CTP20 cannot use thewireless connection.