Wireless Intercom System
Theory of Operation and Diagrams
1-7
E 3M 2003 March
Configuration Switches
RESET SWITCH: Very briefly, actuation of the
RESET SWITCH clears logic inputs of their
established l evels 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 i n 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 i s selected, you must
reprogram all system headsets to the new channel.
For more information on channel selection and
reprogrammning, refer to the Installation Instructions.
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