Garmin GNS 530W Installation Manual page 66

4.5.2 Annunciators/Switches Electrical Characteristics
4.5.2.1 Annunciators
Pin Name
VLOC ANNUNCIATE
GPS ANNUNCIATE
WAYPOINT ANNUNCIATE
TERMINAL ANNUNCIATE
APPROACH ANNUNCIATE
MESSAGE ANNUNCIATE
OBS ANNUNCIATE
INTEGRITY ANNUNCIATE
LNAV GPS SELECT [1]
ILS/GPS APPROACH
[1] The Operation of the LNAV GPS SELECT can be configured. Refer to Section 5.3.3.
All outputs sink up to 500 mA when activated.
4.5.2.2 Switch Inputs
Pin Name
OBS MODE SELECT
CDI SOURCE SELECT
COM REMOTE RECALL [1]
DEMO MODE SELECT
[1] Main software version 3.00 or later.
These inputs are considered active if either the voltage to ground is <1.9 V or the resistance to ground
is <375 Ω. These inputs are considered inactive if the voltage to ground is 11-33 VDC.
4.5.2.3 TIME MARK OUT
Pin Name
TIME MARK OUT
TIME MARK OUT outputs a 1 ms ± 1 μs wide pulse once every second. TIME MARK OUT is a logic
level output, capable of sourcing 1 mA at greater than 3.8 V and sinking 1 mA at less than 0.4 V.
4.5.3 Annunciators/Switches Configuration
Refer to Section 5.3.3 for configuration of the LNAV GPS SELECT output.
4.5.4 Annunciators/Switches Calibration and Checkout
Refer to Section 5.3.8 for the annunciators/switches checkout.
4.5.5 Annunciators/Switches Interconnect
Refer to Appendix H for annunciators/switches interconnect information.
Page 4-12
Rev. D
Connector Pin
P5001 1
P5001 2
P5001 3
P5001 4
P5001 5
P5001 6
P5001 7
P5001 9
P5001 13
P5001 14
Connector Pin
P5001 71
P5001 73
P5001 74
P5001 75
Connector Pin
P5001 16
500W Series Installation Manual
I/O
Out
Out
Out
Out
Out
Out
Out
Out
Out
Out
I/O
In
In
In
In
I/O
Out
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