Spectrum Brands SP-400 manual In-Use Indicators, Speaker Line Indicators, Hold Key Indicators

In-Use Indicators

In-use indicator lights located above each key indicate in-use operations.

Speaker Line Indicators

When the “SPEAKER” key is activated, the in-use light illuminates steadily RED above the “SPEAKER” key.

Hold Key Indicators

When the “HOLD” key is activated, the light above the HOLD KEY will be steadily RED.

Headset Key Indicators

When the “HEADSET ON/OFF” key is activated, the Headset indicator will be steadily RED.

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