Telematrix Spectrum Plus DC640 User Manual page 34

SPEAKERPHONE FEATURE
The S pectrum PLU S
high qua lity hal f-duplex s peakerphone
feature to allow for hands-free operation.
To use, simply press the "SPEAKER" key
when placing or answering a call. The pri-
mary directory line will activate automati-
cally.
The LED ab ove the "SPEAKER" key w ill
illuminate to i ndicate that the
phone is in-use.
To d isconnect,
"SPEAKER" key or "RLS" key.
POWER FAILURE
During an y pow er fai lure on ly two f eature key L ED's will wor k. They ar e
keys one and two in the first row of keys.
TM
is e quipped wi th a
speaker-
simply p ress t he
Note: Use the VOLUME
BAR to adjust the volume
of the speaker.
Note: Use the MUTE key
during conference calls to
reduce background noise.
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