Belkin B3 user manual Operation Adjusting the Volume, Mute, Call Waiting

press the TALK button. To hang up, press the TALK button again. To reject a call, hold down the TALK button for 1 second.

Operation

Adjusting the Volume

Use the VOLUME UP and VOLUME DOWN buttons to adjust the volume. Each adjustment is followed by a tone.

When the minimum or maximum level has been reached, a different beep can be heard.

VOLUME UP

VOLUME DOWN

Note: The INVISIO® B3 saves the last used volume setting when turned off.

Mute

To mute the headset microphone, press VOLUME UP + VOLUME DOWN at the same time for three seconds. To un-mute, press both buttons again for about 3 seconds. While muted, the headset beeps twice every two seconds.

Note: Audio tones can be heard only when wearing the headset.

Call Waiting

To answer a second call, press the TALK button for 1 second. The headset places the active call on hold and answers the new call. To switch back, press TALK again for 1 second.