3M C860, Service Information

Page 1: ...Food Services Trade Department Printed in U S A 3M Center 3M 2003 March St Paul MN 55144 1000 70 0710 3745 4 WIRELESS INTERCOM SYSTEM Service Information C1060 Headset C960...

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Page 3: ...on System 1 2 Cross Lane Communication System 1 2 Operating Theory 1 2 Processing Vehicle Alert Signals 1 2 Transmitting and Receiving 1 2 Talk Listen Communication 1 3 Talk Lock Mode 1 3 Page Mode 1...

Page 4: ...ment Parts and Service 3 11 Section 4 Operating Instructions Model C860 Operating Instructions Model C960 Operating Instructions Model C1025 Operating Instructions Model C1060 Operating Instructions S...

Page 5: ...ard Non Duplex Systems The 5 Inch Speaker and Mic Assembly is recommended for use in standard communication systems It consists of a 5 inch weather resistant eight ohm cone speaker plus a special weat...

Page 6: ...signal to the base station to indicate a customer is present at the menu sign There are two types of vehicle detectors Presence detectors such as magnetic loops provide a signal for as long as a vehic...

Page 7: ...lk control tone turns the base station amplifier ON which drives the menu speaker enabling the customer to hear the audio When the base station receives the microphone audio signal it re transmits it...

Page 8: ...Talk Lane 2 switch pressed the headset transmitter receiver switches to the lane 2 channel frequencies enabling the lane 2 base station and lane 2 communications Monitor Amplifier and Speaker A one w...

Page 9: ...tch through the amplifier to the menu sign S To the monitor speaker amplifier via the MON TALK volume control through the amplifier and the Master Monitor Volume control to the monitor speaker S Throu...

Page 10: ...ase station must be set for lane 2 frequency communications Jumper J3 pins 1 and 2 forcing the related logic input high for lane 1 configuration Jumper J3 pins 2 and 3 forcing the related logic input...

Page 11: ...f 16 operating channels since each system may be designated as a lane 1 or lane 2 system Each operating channel is comprised of a set of two frequencies one for receiving one for transmitting The chan...

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Page 13: ...Wireless Intercom System Theory of Operation and Diagrams 3M 2003 March 1 9 Base Station and External Components Diagram...

Page 14: ...Theory of Operation and Diagrams Wireless Intercom System 1 10 3M 2003 March Blank Page...

Page 15: ...ic is connected to the base station inputs With Relay K301 de energized the menu mic is connected to the auxiliary intercom Menu Speaker Audio Control Relay contacts K302 A and K302 B control distribu...

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Page 17: ...Wireless Intercom System Theory of Operation and Diagrams 3M 2003 March 1 13...

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