ACME BH20 User Manual page 9

Volume up During a call
Volume down During a call
Call transfer
(headset to During a call
mobile phone)
Call transfer
(mobile phone During a call
to headset)
Microphone
During a call
mute
During a call
Cancel mute
(microphone mute)
Standby mode
Voice dial and connected
to a device
Standby mode
Redial last
and connected
number
to a device
Lock / unlock
Standby mode
the buttons
Clear pairing
Charging
list
Touch + button, when touch + button all the
time, the volume will increase continuously
Touch – button, when touching – button constantly,
the volume will reduce continuously
Press and hold MFB button for 2 seconds and
release it until hearing indication tone
Press and hold MFB button for 2 seconds and
release it until hearing indication tone
Short press MFB button twice
Short press MFB button twice
Simultaneously press and hold MFB buttons for 2
seconds and release them until hearing indication tone
Short press MFB button twice
Simultaneously press and hold MFB and + buttons for 2
seconds and release them until hearing indication tone
Firstly press and hold MFB button and then
press and hold – button for 5 seconds, and
release them until red LED flashes once
GB
9