Adjusting The Volume; Muting The Microphone - BlueTrek ST1 User Manual

Adjusting the volume

Increasing the volume
To increase the volume during an active call or when listening to music, press the "VOL+"
button on the headset.
2
Decreasing the volume
To decrease the volume during an active call or when listening to music, press the "VOL-"
button on the headset.
3

Muting the microphone

To activate the mute function
During an active call, press and hold the "VOL+" button
you can hear the other party but they cannot hear you. A periodic tone is heard through
the speaker while the microphone is muted.
To end the mute function
When the microphone is muted, press the "VOL+"
be ended.
until you hear a two-tune beep,
2
button once. The periodic tone will
2
10