190-01879-11 GMA 245/245R Installation ManualRev. 6 Page 4-74.6.3 Alert Audio I/O4.6.4 RCVR, AUX, and NAV Audio InputsTable 4-8 Alert Audio I/OPin Connector Pin Name Description I/O31 J2401 ALERT 1 AUDIO IN HI Alert 1 Audio Input IN32 J2401 ALERT 1 AUDIO IN LO Ground Reference for Alert 1 --15 J2402 ALERT 2 AUDIO IN HI Alert 2 Audio Input IN14 J2402 ALERT 2 LO, FAILSAFE AUDIOIN LO Ground Reference for Alert 229 J2401 ALERT 3 AUDIO IN HI Alert 3 Audio Input IN43 J2401 ALERT 3, 4 AUX 3 AUDIO IN LO Ground Reference for Alert 3 & 4 --44 J2401 ALERT 4 AUDIO IN HI Alert 4 Audio Input INTable 4-9 AUX and NAV Audio InputsPin Connector Pin Name Description I/O21 J2401 RCVR 3 AUDIO IN HI(AUX 1) RCVR 3/AUX 1 Audio Input IN22 J2401 RCVR 3 AUDIO IN LO(AUX 1)Ground Reference for RCVR 3/AUX1 Input --7 J2401 RCVR 4 AUDIO IN HI(AUX 2) RCVR 4/AUX 2 Audio Input IN8 J2401 RCVR 4 AUDIO IN LO(AUX 2)Ground Reference for RCVR 4/AUX2 Input --23 J2401 RCVR 5 AUDIO IN HI(AUX 3) RCVR 5/AUX 3 Audio Input IN43 J2401 ALERT 3, 4 AUX 3 AUDIOIN LOGround Reference for RCVR 5/AUX3 Audio Input --17 J2401 NAV 1 AUDIO IN HI NAV 1 Audio Input IN18 J2401 NAV 1 AUDIO IN LO NAV 1 Ground Reference --19 J2401 NAV 2 AUDIO IN HI NAV 2 Audio Input IN20 J2401 NAV 2 AUDIO IN LO NAV 2 Ground Reference --
