Telematrix Spectrum Plus LP550, Руководство пользователя

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Handset Volume Control
The Spectrum PLUS
TM
is equipped with an ADA/FCC compliant handset
volume control located on the front of the phone.
When the right end of the “VOLUME” key is pressed, the volume of the
handset receiver is increased.
When the left end of the “VOLUME” key is pressed, the volume of the
handset receiver is decreased.
The “VOLUME” key is an eight-step volume control.
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Volume Lock Feature — When the handset, speaker, or
headset volume feature is selected, the volume will
automatically stay at that setting in the next use.
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