Страница 1: ...RM 120A Speaker Station INSTRUCTION and SERVICE MANUAL I 1 JIIIClearm orm Intercom Systems 945 Camelia St Berkeley California 94710 510 527 6666 Clear Com 810031 8 15 88 REV C...
Страница 2: ...ng Controls Connector 3 4 V Specifications 7 VI Parts Listing 8 Illustrations Headset Extension Cord 2 RM 120A Rear Panel 3 Daisy Chain Interconnection 3 RM 120A Front Panel 4 RM 120A Schematics 9 NOT...
Страница 3: ...November 17 1987 4 it 4 4 4 4tW 44 4 t J 4 41 4 14 sst J i 4 X 44 4 s MIC TO LINE GAIN LEVEL INCREASE In effecting a 4dB Mic to Line increase in gain level the following changes have been made Change...
Страница 4: ...RM 120A provides a balanced not plugged in This prevents program input for monitoring exter noise pick up on the intercom line nal audio in the speaker or head from the unused connector The RM set The...
Страница 5: ...und It s easy to make an extension cord for your dynamic headset For the To assure proper level and perfor cable we recommend Belden 8416 or mance the carbon headset s mic the equivalent 2 conductor 2...
Страница 6: ...S OEPTH Ch A or B 6 62 S7vl3 t t 1 t A g eor Om 3 Program Input the RM 120A rear panel contains a 3 pin female connec tor for input of a balanced line level auxiliary input Pin 1 is ground and Pins 2...
Страница 7: ...Channel B station activates Call They operate independently of the setting of the Channel Select switch Note an internal jumper reverses the Call function for use with KB 112 remote control call Clear...
Страница 8: ...via headset or gooseneck mic to the external speaker amp system Pressing Stage Announce also mutes the operator s voice to the intercom channels Vic On Off On This 3 position toggle switch turns the m...
Страница 9: ...dB Station Bridging Impedance 12k ohm 200 10k Hz Power Requirements 25 mA quiescent HEADSET SPEAKER AMPLIFIER 100 mA signal 100 mA avg talk Freq Response 100 18k Hz 12 dB 200 mA short circuit Load Im...
Страница 10: ...nob black 1 2 3 P1 P2 P3 240017 Handle chrome 2 250128 RM 120A rear panel 1 250224 RM 120A front panel 1 250073 Chassis mainframe 1 75 1 250152 Chassis top cover 1 250163 Speaker screen 1 390013 Lamp...
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