
Copyright 1993 Link Communications
Mode: 3
Active COR Inputs Audio Output Connected To Active PTT
0
1
2
3
0
1
2
3
0
1
2
3
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
x link3
A
A
A
x
A
A
A
A
A
x
A
A
A
A
A
A
A
A
A
A
A
x x link3
A
A
A
x
A
A
A
A
x
A
A
A
A
A
A
A
A
A
A
A
x
A
x link3
A
A
A
x
A
A
A
A
x x
A
A
A
A
A
A
A
A
A
A
x x x link3
A
A
A
x
A
A
A
x
A
A
A
A
A
A
main
A
A
A
x
x
A
A
x link3
A
A
main x
A
A
x
x
A
x
A
A
A
A
main
A
A
A
x
x
A
x x link3
A
A
main x
A
A
x
x x
A
A
A
A
A
main
A
A
A
x
x x
A
x link3
A
A
main x
A
A
x
x x x
A
A
A
A
main
A
A
A
x
x x x x link3
A
A
main x
A
A
x
See notes on mode 1.
Mode: 4
Active COR Inputs Audio Output Connected To Active PTT
0
1
2
3
0
1
2
3
0
1
2
3
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
x
A
A
A
A
A
A
A
A
A
A
x
A
link2
A
A
A
x
A
A
A
A
A
x x link2
A
A
A
x
A
A
A
A
x
A
A
link1
A
A
A
x
A
A
A
A
x
A
x link1
A
A
A
x
A
A
A
A
x x
A
mix
A
A
A
x
A
A
A
A
x x x mix
A
A
mute x
A
A
A
x
A
A
A
A
main main
A
A
x x
A
x
A
A
x
A
main main
A
A
x x
A
x
A
x
A
link2 main main
A
x x x
A
x
A
x x link2 main main
A
x x x
A
x x
A
A
link1 main main
A
x x x
A
x x
A
x link1 main main
A
x x x
A
x x x
A
mix main main
A
x x x
A
x x x x mix main main mute x x x
A
Whenever both link 1 and link 2 are active, they are mixed and sent out main. Whenever main is keyed up, it
goes out both link 1 and link 2. Link 3 is totally disconnected from the system. Link 3 is muted whenever it is keyed
up and mixed audio is going out the main port, to keep it from being part of the mixed audio. Link 3 could be muted
for every combination of active COR signals and everything would work exactly the same way, but we chose to use
mute only where needed to make its purpose more clear.
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