Blackberry HS-655 - Manual (Page 18)

Ignore a call
• When receiving a call, hold the call control button on the BlackBerry®
HS-655+ Wireless Headset for 3 seconds.
Adjust the volume
CAUTION: For your comfort, health, and safety, do not exceed moderate listening
levels.
• To increase the volume, press the upper end of the volume button.
• To decrease the volume, press the lower end of the volume button.
Mute a call
• To mute a call, press both ends of the volume button simultaneously until
you hear a beep.
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