TABLE OF CONTENTS Introduction .................................4 Circuit Description .......................5 Schematic Diagram ....................8 Parts Layout Diagram .................9 Parts List ....................................10 Learn As You Build .....................11 DCI1 Assembly ...........................12 Custom Case Assembly .............18 Using Your DCI1 .........................19 Wiring & Custom Applications .....22 Troubleshooting Guide ...............24 DCI1 Specifications ....................26 Conclusion ..................................26 Warranty .....................................27 RAMSEY ELECTRONICS, INC.
590 Fishers Station Drive Victor, New York 14564 Phone (585) 924-4560 Fax (585) 924-4555 www.ramseykits.com DCI1 3 Ramsey Publication No. MDCI1 Price $5.00 KIT ASSEMBLY AND INSTRUCTION MANUAL FOR DTMF CONTROLLER INTERFACE