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8410 Voice Terminal
Speakerphone
The 8410 voice terminal is equipped with a built-in speakerphone. (The voice terminal can be
optioned for a 1-way, listen-only speaker instead.) The Speakerphone capability allows a user to
engage in a hands-free conversation with the far-end party. The speakerphone can be turned on
or off with the SPEAKER button; can be muted with the MUTE button, and the volume can be
raised and lowered with the VOLUME ‘‘arrow’’ button.
The Speakerphone feature also allows the user to adjust the speakerphone for optimal perfor-
mance. By pressing the blue SHIFT button on the set and then the SPEAKER button (if the
voice terminal is set for the Speakerphone feature), the user hears a set of tones as the speaker-
phone performs an acoustic test of the environment. When the tones stop, the speakerphone
has finished adjusting itself and is ready for use. The user
must
reset the speakerphone in any of
three instances: whenever the voice terminal is moved to another place (even in the same room),
whenever the red light next to the SPEAKER button is fluttering, and, when, in the unlikely event,
the speakerphone is making a squealing sound.
Speaker (Listen-Only) Feature
Although the 8410 voice terminal is shipped from the factory with the terminal set for the Speak-
erphone feature, the 8410 voice terminal can be optioned instead for a 1-way, listen-only
speaker. If this is the case, use the SPEAKER button on the front of the voice terminal for turn-
ing on and off the speaker.
The Speaker (listen-only) capability allows a user to engage in a 1-way conversation with the far-
end. Specifically, the user can only listen to the far-end. To speak with the far-end, the user must
use the handset which turns off the speaker. The Speaker function may also be disabled.
MUTE button
The MUTE button is a fixed feature button with a red status light. The MUTE button turns off the
microphone of the built-in speakerphone or the handset so that a person can converse with
another person in the room without the other party listening in.
VOLUME Control button
The 8410 voice terminal has a VOLUME ‘‘arrow’’ button on the front of the set. This button has
several functions. When the user is using the speakerphone or the 1-way speaker, the VOLUME
button controls the volume of the speaker. When the user is on a call using the handset, the
VOLUME button controls the handset volume. When the voice terminal is idle, the button con-
trols the volume of the tone ringer.
When the user sets the volume for the speaker, speakerphone, handset, or the tone ringer, the
display on the 8410D voice terminal shows a ‘‘bar array’’ that indicates the volume setting.
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