Garmin CIRRUS PERSPECTIVE SR20 Line Maintenance Manual page 286

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31 POWER GROUND
32 COM RS‐232 OUT 1
33 COM RS‐232 IN 1
34 COM REMOTE TUNE ENABLE*
35 COM AUDIO IN HI
36 COM AUDIO IN LO (GROUND)
37 VOR/LOC AUDIO IN HI
38 VOR/LOC AUDIO IN LO (GROUND)
39 AUX AUDIO IN HI
40 AUX AUDIO IN LO (GROUND)
41 SUMMED 4Ω AUDIO OUT HI
42 SUMMED 4Ω AUDIO OUT LO (GROUND)
43 POWER GROUND
44 POWER GROUND
Page A-2
Rev. D
Cirrus Perspective Line Maintenance Manual
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