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17) Speaker/Reset
Spkr button
18) Volume control
button
19) Display control
buttons
For accessing the speaker or the built-in speakerphone and
microphone combination. When you touch [
Select ] and
[
Speaker Reset Spkr
] the built in speakerphone performs a test of the
surrounding acoustic environment by using a sequence of
tones. When the tones stop, your speakerphone has finished
adjusting itself for optimal performance. It is now ready for
use.
Note: Your telephone can be set for either the Speaker
(listen-only) feature or the Speakerphone (listen and talk)
feature. Check with your System Manager to see how your
Speaker button is to be used.
For adjusting the volume of the built-in speakerphone when
you are using the speakerphone and a call is in progress, or
for adjusting the volume of the tone ringer when you are not
using the speakerphone.
For accessing display features, labeled with feature names
and equipped with green lights (9 buttons).
The following optional modules are compatible with the 7406 Plus Voice Terminal:
500A Headset Adapter
7400B Data Module
Provides a dual-purpose switch that turns on the adapter
connecting the headset to the telephone. Pressing the ON
switch is equivalent to going off-hook with the handset, and
pressing the OFF switch is equivalent to going on-hook with
the handset. Plugs into the speakerphone/headset adapter
jack.
Provides data capability to the attached DCP telephone. It
also provides integrated simultaneous voice data
communications over standard twisted-pair wiring. Plugs
into the line jack.
Provides total telephone operation without using the handset
Turning on the speakerphone is equivalent to going off-hook
when placing or answering a call and turning off the
speakerphone is equivalent to going on-hook. A mute switch
is provided to temporarily cut off transmission to the distant
caller. Plugs into the speakerphone/headset adapter jack.
S101A and S201A
Speakerphone
3