Garmin APOLLO GX SERIES Service Manual - page 20
Garmin AT
Rev --
2-8
GX Service Manual
© 2004 Garmin AT
Electrical
• Input
voltage
− 10 VDC to 40 VDC, reverse polarity protected
• Input current (GPS navigation input)
− 500 mA typical, 750 mA max at 13.75 VDC
− 250 mA typical, 375 mA max at 27.5 VDC
• Input current (communication input - GX60/65 only)
− 270 mA typical, 2 A max at 13.75 VDC, receive
− 130 mA typical, 900 mA max at 27.5 VDC, receive
− 2.1A typical, 3.2 A max at 13.75, transmit
− 1.0A typical, 1.4 A max at 27.5 VDC, transmit
• Input power (GPS navigation input)
− 7
watts
typical
• Input power (communication input - GX60/65 only)
− 3.7 watts typical, receive
− 28 watts typical, transmit
GX50 and GX60/65 Avionics Outputs
• CDI L/R deviation
± 150 mV full scale
• TO/OFF/FROM flag
± 250 mV, TO/FROM indication
• Navigation valid flag
+300 mV for valid indication
• Navigation superflag
400 mA source
• VDI up/down ± 150 mV
• VDI valid flag +300 mV
• VDI superflag 400 mA source
• Annunciators
− MSG
(message)
− PTK (parallel track)
− OBS/HLD (waypoint sequencing hold) GX50/60 only
− APPRCH (approach enabled) GX50/ 60 only
− ACTIVE (approach active) GX50/60 only