Using the CP Wireless Expansion Mic CPW90
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Note
If it is the first time you use the CPW90, you need to fully charge the CPW90 for normal use. If the CPW90 is not in use, we
recommend you to charge the CPW90 even when the battery is full.
If your system administrator disables the USB port of the phone, the phone cannot power to the USB port.
CPW90 LED Instructions
Mute button indicator LED on the wireless expansion microphone CPW90:
LED Status Description
Solid green
The phone enters the pre-dialing screen.
The phone is in a call an unmuted.
Slowly flashing red The phone is receiving an incoming call.
Solid red The phone is muted.
Fast flashing yellow The CPW90 is in the registration mode.
Slowly flashing yellow
The CPW90 has registered with the phone, but the CPW90 is out of range.
The CPW90 has registered with the phone, but the CP960 is turned off.
Flashing red and
green alternately
The phone is searching for the CPW90 which has registered with it.
Off The CPW90 is in the idle mode.
Battery indicator LED on the wireless expansion microphone CPW90:
LED Status Description
Solid green for one second
and then off
The CPW90 is turned on.
Solid green for 3 seconds and
then off
The CPW90 is in the idle mode.
Solid green The CPW90 is fully charged.
Solid red The CPW90 is being charged.
Fast flashing red 3 times and
then off
The battery capacity is too low to turn on the CPW90.
Slowly flashing red The battery capacity is less than 10%.
Off
If you tap the mute button, the battery indicator LED on the CPW90 is still off, it means
the CPW90 is turned off.
CPW90 Working Frequency
For 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 Japan
1881.792 9 9
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