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Theory of Operation and Diagrams

Wireless Intercom System

Configuration Switches

RESET SWITCH: Very briefly, actuation of the

RESET SWITCH clears logic inputs of their

established levels and latches the logic inputs at their

new levels.

CHANNEL SELECT SWITCH: The Wireless

Intercom System is capable of operating on eight

different channels for each of two lanes. This

provides a total of 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 channel frequencies are

preprogrammed in both the base station and headset

microprocessors. Each actuation of the CHANNEL

SELECT switch prompts the base station

microprocessor to advance to the next available

channel. After a new channel is selected, you must

reprogram all system headsets to the new channel.

For more information on channel selection and

reprogrammning, refer to the Installation Instructions.

1-7

E 3M 2003

March