User's Manual

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Call swap
Some mobile phones support call swap. This means that if you receive a second call, you
can put the first caller on hold while you speak to the second caller. If your phone supports
this feature:
1. Press and hold the talk button for two seconds to put the first caller on hold and
answer the second call
2. When the second call has ended, the first caller will automatically be taken off hold.
Note: Please press the page up button if the first caller will not be taken off hold.
Ending a call
During a call, press the end call button to hang up. If the other person hangs up first, then
the call will end automatically.
Rejecting a call (Supports HFP (Hands Free Profile) only)
If you do not wish to accept a call, press the end call button to reject it.
Note: To use this function, your mobile phone must support the Hands-free profile.
Muting a call
During a conversation, press and hold the page down button for 2 seconds. The
microphone will mute. To cancel mute, press the page down button once.
Transferring a single call
When activating a call, you can press and hold the page up button for 2 seconds to switch
conversation between the BSD-500 Presenter and the mobile phone.
Adjusting the volume
The Presenter offers 6 pre-set volume levels.
• To increase the volume, press the up directional key.
• To decrease the volume, press the down directional key.