Installation Procedures
2-32
560-0982-01 Rev L
GNS 480 (CNX80) Installation Manual
NOTE
If the GNS 480 is setup to IGNORE the CDI select key and discrete input (refer to
3.2.1.6) this input will not be functional.
2.8.9.2
COM Flip-Flop Switch
P1-14
COM Flip Flop In
The COM Flip Flop In is used to toggle the active and standby COM frequencies. A momentary ground
on this input performs the same function as pressing the COM flip-flop soft key (
↔
) on the bezel.
2.8.9.3
VOR Flip-Flop Switch
P1-34
VOR Flip Flop In
The VOR Flip Flop In is used to toggle the active and standby VOR/LOC frequencies. A momentary
ground on this input performs the same function as pressing the VOR flip-flop soft key (
↔
) on the bezel.
2.8.9.4
Push to Talk (PTT)
P4-4 PTT
The PTT is used to transmit on the COM radio. A ground on this input enables the COM MIC audio and
causes the COM transceiver to transmit on the active frequency.
Summary of Contents for GNS 480
Page 1: ...GNS 480 CNX80 Color GPS NAV COM Installation Manual November 2008 560 0982 01 Rev L...
Page 10: ...Table of Contents viii 560 0982 01 Rev L GNS 480 CNX80 Installation Manual Notes...
Page 32: ...General Information 1 22 560 0982 01 Rev L GNS 480 CNX80 Installation Manual Notes...
Page 80: ...Installation Procedures 2 48 560 0982 01 Rev L GNS 480 CNX80 Installation Manual Notes...
Page 134: ...Periodic Maintenance 6 2 560 0982 01 Rev L GNS 480 CNX80 Installation Manual Notes...
Page 158: ...Appendix D Interconnect Diagrams D 2 560 0982 01 Rev L GNS 480 CNX80 Installation Manual Notes...
Page 192: ...D 36 560 0982 01 Rev Notes...
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