Unpacking the Product .......................................................................................................................... 5
An Overview of the Product .................................................................................................................. 5
Front Panel Features ......................................................................................................................................6
Control Circuitry Features .............................................................................................................................7
CANCEL Pushbutton ....................................................................................................................................7
TEST Pushbutton ...........................................................................................................................................7
Power Requirements ......................................................................................................................................7
Audio Inputs ..................................................................................................................................................7
Connecting Signal Lines ..............................................................................................................................11
Balanced Line Application ..........................................................................................................................11
Unbalanced Line Application ......................................................................................................................12
120 Vac 50/60 Hz Local Power ...................................................................................................................14
24 Vdc Central Power ..................................................................................................................................14
Getting Replacement Parts.................................................................................................................. 16
Table 1 Product specifications ............................................................................................................................8
Table 2 Replacement parts ...............................................................................................................................16
Model 300VSC-1 and Model 300VSC-1044SB SelecTone Command Units
Contents
Tables
3