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Speaker Line Indicators
When the “SPEAKER” key is acti-
vated, the in-use light illuminates
steadily RED above the “SPEAKER”
key.
Headset Key Indicators
When the “HEADSET ON/OFF” key
is activated, the Headset indicator will
be steadily RED.
Hold Key Indicators
When the “HOLD” key is activated,
the light above the HOLD KEY will be
steadily RED.
Содержание Plus SP400
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