Spectrum Brands TELEMATRIX SP-400 User Manual

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In-Use Indicators  
 
In-use indicator lights located above each key indicate in-use operations.  
29 
Speaker Line Indicators  
 
When the  “SPEAKER” key is activated, 
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.