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Page 15 of 26
Audio Switching Configuration Jumpers
The
IC-52B has two Audio Channels
, designated as
Remote Microphone to
Operator
Speaker and Operator Microphone to
Remote
Speaker
With all Signal Flow Jumpers in place, Half Duplex Operation is supported
Half Duplex Operation
, the
Microphone Inputs and Speaker Outputs are sequenced
:
When the Operator is “
Listening
”:
The Remote Microphone is ON
The Operator Microphone is OFF
The Operator Speaker is ON
The Remote Speaker is OFF
When the Operator is “
Talking
”:
The Remote Microphone is OFF
The Operator Microphone is ON
The Operator Speaker is OFF
The Remote Speaker is ON
However, the control of the
Microphones and Speakers are controlled by Jumpers
Any of these sections may always be ON
These ‘always’ selections are useful in implementing in implementing:
Always Listening
, Push to Talk
Full Duplex Operation
Always
Monitoring to the PA-BUSS Output
Etc.
Operator Microphone ON:
Always On
ALWAYS
Sequenced
SWITCHED
Remote Microphone ON:
Always On
ALWAYS
Sequenced
SWITCHED
Operator Speaker ON
(Also Keys Remote Microphone):
Always On
ALWAYS
Sequenced
SWITCHED
Remote Speaker ON
(Also Keys Operator Microphone):
On when the Intercom is Active
ALWAYS
Sequenced
SWITCHED
Содержание IC-52B
Страница 12: ...2 15 Page 12 of 26 Simplified Block Diagram ...