Garmin GNS 480, Installation Manual

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General Information
GNS 480 (CNX80) Installation Manual560-0982-01 Rev A 1-11
1.3.9.2 Auxiliary CDI (GPS Only)
CDI L/R deviation .........................................
±
150 mv full scale (200
Ω
load max)
TO/OFF/FROM flag......................................
±
250 mv, TO/FROM (200
Ω
load max)
Nav valid flag ................................................+300 mv for valid indication (200
Ω
load max)
VDI up/down .................................................±150 mv full scale (200
Ω
load max)
VDI valid flag ................................................+300 mv for valid indication (200
Ω
load max)
1.3.9.3 Composite Output
1.3.9.3.1 VOR Mode
Band pass frequency ......................................0 Hz to 15 kHz
Variation over frequency range .....................Less than 2 dB
Output signal voltage.....................................0.500 VRMS
Output loading ...............................................1,000 ohms (max)
1.3.9.3.2 LOC Mode
Band pass frequency ......................................0 Hz to 15 kHz
Variation over frequency range .....................Less than 2 dB
Output signal voltage.....................................0.390 VRMS (0.275 VRMS @ 90 Hz, 0.275 VRMS
@ 150 Hz)
Output loading ...............................................1,000 ohms (max)
ILS energize signal ........................................Sinks up to 400 mA (max)
1.3.9.4 Annunciator Outputs
Annunciators..................................................Open collector outputs capable of sinking up to 400
mA for turning ON annunciator lamps