TONOR TW450 Guia De Funcionamiento página 10

When the receiver is connected to power supply successfully, but the
batteries of microphone are not installed, LCD screen will display as
following pictures:
When the receiver is connected to power supply successfully, and the
batteries of microphone are also installed, LCD screen will display as
following pictures:
888.8
CHA CHB MHz
US VERSION
EU VERSION
08
888.8
CHA CHB MHz