Garmin GNC 420A Installation Manual

Also see for GNC 420: Instructions Pilot's guide addendum Pilot's guide addendum Pilot's guide addendum Quick reference

Garmin GNC 420A Installation Manual Manual pdf 37 page image

400 SERIES INSTALLATION MANUAL Page 4-1P/N 190-00140-02 Page Rev L4. SYSTEM INTERCONNECTS4.1 PIN FUNCTION LIST4.1.1 P4001View of J4001 connector from back of unit1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 3940 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 5960 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78Pin Pin Name I/O1 VLOC ANNUNCIATE Out2 GPS ANNUNCIATE Out3 WAYPOINT ANNUNCIATE Out4 TERMINAL ANNUNCIATE Out5 APPROACH ANNUNCIATE Out6 MESSAGE ANNUNCIATE Out7 OBS ANNUNCIATE Out8 AUTO ANNUNCIATE Out9 INTEGRITY ANNUNCIATE Out10 ANNUNCIATE D Out11 ANNUNCIATE E Out12 ALTITUDE ALARM ANNUNCIATE (Not implemented at time of publication) Out13 ANNUNCIATE F (Not implemented at time of publication) Out14 ILS/GPS APPROACH Out15 AIRCRAFT POWER 2* In16 TIME MARK OUT Out17 MAIN LATERAL SUPERFLAG Out18 MAIN VERTICAL SUPERFLAG Out19 AIRCRAFT POWER 1 In20 AIRCRAFT POWER 1 In21 MAIN +LEFT Out22 MAIN +RIGHT (2.5V COMMON) Out23 MAIN LATERAL +FLAG Out24 MAIN LATERAL -FLAG (2.5V COMMON) Out25 MAIN +TO Out26 MAIN +FROM (2.5V COMMON) Out27 MAIN +UP Out28 MAIN +DOWN (2.5V COMMON) Out29 MAIN VERTICAL +FLAG Out30 MAIN VERTICAL -FLAG (2.5V COMMON) Out31 MAIN OBS ROTOR C Out32 MAIN OBS ROTOR H (GROUND) Out33 MAIN OBS STATOR D In34 MAIN OBS STATOR E (2.5V COMMON OBS) Out35 MAIN OBS STATOR F In36 MAIN OBS STATOR G (2.5V COMMON OBS) Out* Applies only to part numbers 011-00280-30 (GNS 430), 011-00836-10 (GNS 430A), 011-00506-30(GNC 420), 011-00837-10 (GNC 420A) and 011-00504-10 (GPS 400). For applications requiringsecondary or alternate power bus input.