User guide

English
BLUETREK CRESCENDO I 9
Control the headset by button
Function Button Time Status
Power On Main button 5 sec From o
Power O Main button 7 sec From on / Standby
Enter Pairing Mode Main button 7 sec From o
Activate Voice control Main button Press once
Idle / Pairing / Standby
(when voice control
on)
Answer Call Main button Press once Ringing
Reject Call Main button 3 sec Ringing
End Call Main button Press once Active calls
Redial Main button Double click Standby (Connected)
Volume adjust Vol + / Vol - Press once Active calls / Standby
Mic Mute On/O Vol + / Vol - 3 sec Active calls
Turn Voice Control On Vol + & Vol - 6 sec Pairing / Standby
Software Reset Main button & Vol + 7 sec Pairing / Standby
Hardware Reset Main button & Vol - Press once Any status