Telematrix DC550 User Manual
Page 4

Features .........................................………...................................... 5 
 
Controls …….................................................................................. 6 
 
Part List ……………………………………………………………………………………………...….. 10 
 
Installation ....……......................................................................... 11 
 
Wall Mounting .....…..............................……................................... 14 
 
Programming ..……..............................…....................................... 16 
 
LCD Display/Caller Identification …………..…..………………………………..……... 29 
 
Headset Installation and Operation……........…................................... 32 
 
Operation ………………………………………………………………………...……………………. 34 
 
Care and Maintenance ……………………………………………………………………….…. 40 
 
Service ………………………………………………………………………………………………….. 41 
 
Warranty ………………………………………………………………………………………………. 42 
 
 
 
FCC Compliance and Safe ty I nstructions, Warra nty and Se rvice Information may 
be f ound in a s eparate m anual w ithin th is pa ckage. I f th ese/this ma nual is n ot 
found in this products packaging, then immediately contact your local supplier 
4
