3
ALOHA Buttons
Button [A]: to select 1-on-1 intercom with A1, A2 or A3 headset
Button [C]: to start group intercom
Button [F]: to turn on/off FM
Button [M]: voice dial cell phone and redial the last dial-out number, start/end
music playback.
Mini USB: Connecting speaker, headset recharging
Knob [V]: To adjust sound volume, set activation mode for 1-on-1 intercom,
select next/previous music track, and select FM channel