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G1000 System Maintenance Manual
Page 5-89
190-00903-00
Rev.
A
c.
SPARE INPUT
―
A green box indicates Pin 14 is grounded. This input should have a black
box, if it is green check for connector miswiring or a bent pin.
d.
TEST/DEMO MODE SLCT
―
A green box indicates Pin 53/54 is grounded. These inputs
should have a black box, if either box is green check for connector miswiring or a bent pin.
e.
PULSE PER SEC 1, 2
―
Displays status of GPS time synchronization inputs (from GIA) to
the GDU. Used for Garmin testing, not useful for troubleshooting.