Main Discrete Outputs Page; Main Discrete Inputs Page - Garmin GNS 400W Series Maintenance Manual

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Annunciator Outputs
Load: resistor to external voltage source such that it will source 500 mA when grounded.
Applicable output will sink this current when active. Measure at applicable pin.
Figure 4-6. Main Discrete Outputs Page (Test Mode)
Command Output To:
SPEC
Discrete Switch and Altitude Inputs
Figure 4-7. Main Discrete Inputs Page (Test Mode)
GNS 400W Series Maintenance Manual
190-00356-05
ANNUCIATOR PIN
VLOC (J1-1)
GPS (J1-2)
WAYPOINT (J1-3)
TERMINAL (J1-4)
APPROACH (J1-5)
MESSAGE (J1-6)
OBS (J1-7)
G (J1-8)
INTEGRITY (J1-9)
D (J1-10)
E (J1-11)
H (J1-12)
LNAV GPS (J1-13)
SELECT
ILS/GPS APPR (J1-14)
ACTIVE
0.8 V dc max
INACTIVE
4.5 V dc min
Page 4-15
Rev. A