Garmin GMA 240 Installation Manual - Page 29

4.5.4 Alert Audio I/O Pin Connector Pin Name Description I/O 31 P2401 ALERT 1 AUDIO IN HI Alert 1 Audio Input IN 32 P2401 ALERT 1 AUDIO IN LO Ground Reference for Alert 1 -- 44 P2401 ALERT 2 AUDIO IN HI Alert 2 Audio Input IN 15 P2402 ALERT 3 AUDIO IN HI Alert 3 Audio Input IN 43 P2401 ALERT 2,3 AUDIO IN LO Ground Reference for Alert 2 & 3 -- 4.5.5 AUX and NAV Audio Inputs Pin Connector Pin Name Description I/O 21 P2401 AUX1 AUDIO IN HI AUX1 Audio Input IN 22 P2401 AUX1 AUDIO IN LO Ground Reference for AUX1 Input -- 7 P2401 AUX2 AUDIO IN HI AUX2 Audio Input IN 8 P2401 AUX2 AUDIO IN LO Ground Reference for AUX2 Input -- 17 P2401 NAV 1 AUDIO IN HI NAV 1 Audio Input IN 18 P2401 NAV 1 AUDIO IN LO NAV 1 Ground Reference -- 19 P2401 NAV 2 AUDIO IN HI NAV 2 Audio Input IN 20 P2401 NAV 2 AUDIO IN LO NAV 2 Ground Reference -- 4.5.6 Failsafe Warning Audio Pin Connector Pin Name Description I/O 29 P2402 FAILSAFE WARN AUDIO IN HI Failsafe Warning Audio Input IN 4.5.7 Pin 23 24 25 26 27 28 Music Inputs Connector P2402 P2402 P2402 P2402 P2402 P2402 Pin Name MUSIC 1 IN LEFT MUSIC 1 IN RIGHT MUSIC 1 IN LO MUSIC 2 IN LEFT MUSIC 2 IN RIGHT MUSIC 2 IN LO Description I/O Music 1 Input IN IN Ground Reference for Music 1 -- Music 2 Input IN IN Ground Reference for Music 2 -- GMA 240 Installation Manual 190-00917-01 Page 4-7 Rev. B