Clear-Com RM-120A Service Manual Page 1

RM-120ASpeaker StationINSTRUCTIONandSERVICE MANUALI|1 JI II Clearm ormIntercom Systems945 Camelia St. Berkeley, California 94710 510-527-6666Clear-Com

VI. RK-120A PARTS LISTINGPart # Description Qty. Schematic Reference ID210002 Conn, intercom/prgm, D3F 3210003 Conn, intercom, D3M 2210013 Conn., head

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CLEAR-CON RM-120A SPEAKER STATIONOPERATION MANUALTABLE OF CONTENTSSection Page #I Introduction to the RM-120A ... 1II Headsets and Mics

DOCUMENTATION ADDENDUM4* RM-120A MANUAL **4 REV.A 44at sNovember 17, 1987 *4* *it* 4 4* 4* 4t W* 44 4 *t *J * 4 41.4 14 $sst *J ****$**i* 4 X * 44 .4

I. INTRODUCTION TO THE RM-120A SPEAKER STATIONThe RM-120A is a remote speaker RM-120A provides a Call button tostation that allows selectable com- sig

II. HEADSETS AND MICSThe RM-120A provides: To assure proper level and perfor-mance, the dynamic headset should 4--one 1/4" phone jack for a stan-

III. RN-120A INSTALLATIONThe RM-120A connects to the intercom system via two pairs of 3-pin, XLR0 connectors on the rear panel.1) Route each channel o

IV. Rm-120A OPERATING CONTROLS & CONNECTORSThe RM-120A controls and connectors are described below in the order inwhich they appear on the FRONT P

At the factory, Clear-Com sets the internal sidetone null to the bestoverall null with 500 feet of cable. If the sidetone is not nulledenough, feedb

V. RN-120A SPECIFICATIONSAMPLIFIER DESIGNSolid-state, integrated circuit amplifiers which include a mic pre-ampwith limiter, headset power amp, speake