Using the CPW90 Wireless Expansion Mic177CPW90 information can be viewed via the web user interface at the path Status-> WirelessMicpod.Muting or Unmuting the CPW90When the CPW90 works as an audio input device of the CP960 conference phone and the CP960conference phone is in a call, you can tap the mute button on the CPW90 to mute or unmute theCPW90.Finding the Registered CPW90You can find the CPW90 which has registered with your CP960 conference phone.To find the registered CPW90 via the CP960 conference phone:1. Tap ->Wireless Microphone.2. Select the desired mic, and then tap Find.The mute indicator LED on the CPW90 flashes red and green alternately.Working FrequencyFor reference, the Frequency/Channels of CPW90 used in each Region are tabulated below:Freq(MHz)RF Carrier Index (DECT tester Numbering)EU Taiwan US LA Korea Brazil Japan1881.792 9 9