Press the plus button 3 “+” or the minus button “-” to set the
desired operating frequency, then press the enter button 5 to
confirm and return to the setting menu interface. Frequency
setting finished.
Volume Setting:
In the menu interface, press the plus button “+” or the
minus button “-” to adjust to the menu option 2.
Press the enter button 5 to confirm selection, display as
below:
Press the plus button 1 “+” or the minus button “-” to set the
desired volume, then press the enter button to confirm and
return to the menu interface. Volume setting finished.
Microphone setting:
In the menu interface, press the plus button 1 “+” or the
minus button 2 “-” adjust to the menu option 3: