Siemens OPTIPOINT 500 - Manual (Page 30)

Product Description
P31003-E8400-A100-3-7620
2-16 Service Manual
Accessories
2.5 Accessories
2.5.1 External Speaker/Desk Microphone
These parts feature magnetic shielding to protect magnetic data media and monitors as well
as a device to protect against incoming radiation for electromagnetic compatibility (especially
in conjunction with mobile phones).
Desk Microphone
The desk microphone replaces the microphone that is integrated in the telephone and assists
in optimizing the "speakerphone" function in poor acoustic conditions.
If the external speaker button on the telephone is pressed, an LED lights up on the microphone
to show that the microphone is now ready to record.
The microphone can be switched off by pressing the mute key. Deactivation is confirmed when
the LED goes out.
optiset E External Speaker
The active external speaker enhances the speaker already integrated in the telephone and im-
proves the acoustic features and is therefore most suitable for telephone conferences.
When the external speaker is connected to the power network, an LED lights up to show that
is operational. The external speaker button on the telephone activates this function.
The base volume can be adjusted in line with the given room conditions using the automatic
volume control key on the front of the telephone. Volume control during a call is controlled via
the volume key on the telephone.
To avoid feedback, position the desk microphone
and the external speaker as far away from each
other as possible.
Mute key
LED for on/off display