Channel Setup; Charging The Systems - Coach-Phone Two-Way Bedienungsanleitung

5.4 Channel Setup

Press and hold the "LOCK" button till the lock icon
disappears from the display. Press to change
the channel number.
Transmitter and Receiver must have the same
channel.

5.5 Charging the systems

Please use the USB cable to charge each unit. The
LED will be red during charging, and OFF when
fully charged.
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