User's Manual

HTC BH M400 Bluetooth Headset Page 6
How to…
 Making a call
Use your mobile phone in the normal way to make a call.
 Transferring audio between headset and mobile phone
During an ongoing call, long press the action/power key to switch conservation between your headset
and the mobile phone.
 Making a call with voice dialling
Long press the Volume up key or Volume down key to activate voice dialling.
 Answering a call
Short press the action/power key to answer the call
 Last number redial
Double-click the action/power key to active last number redial
 Ending a call
During a call, short press the action/power key once to hang up. If the other person hangs up first, then
the call will be ended automatically.
 Rejecting a call
Long press the action/power key to reject a call
 Muting a call
During a call, long press the Volume down key and the microphone will mute. A short beep sounds every
4 seconds. To cancel mute, long press the Volume down key.
 2nd Call handling
 When the 2
nd
call is incoming, short press the action/power key to accept the call
 Short press the action/power key to end the active call and switch the held call to active.
 Double-click to switch between the two calls.
 When the 2
nd
call is incoming, long press the action/power key to reject 2
nd
call
 Adjusting sound and volume
The headset offers 8 pre-set volume levels.
To increase the volume, short press the Volume up key
To decrease the volume, short press the Volume down key
Note: You will hear a short beep sound when you set the volume to maximum or minimum
 Battery
A new, or infrequently used, battery could have reduced capacity. It may need to be recharged a number of
times. When the battery needs charging, the headset beeps sound every 10 seconds. If you do not charge the
headset, it automatically turns off.