Garmin GNC 420AW, Руководство по установке

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400W Series Installation Manual Page 4-11
190-00356-02 Rev. G
4.5.2 Annunciators/Switches Electrical Characteristics
4.5.2.1 Annunciators
Pin Name Connector Pin I/O
VLOC ANNUNCIATE P4001 1 Out
GPS ANNUNCIATE P4001 2 Out
WAYPOINT ANNUNCIATE P4001 3 Out
TERMINAL ANNUNCIATE P4001 4 Out
APPROACH ANNUNCIATE P4001 5 Out
MESSAGE ANNUNCIATE P4001 6 Out
OBS ANNUNCIATE P4001 7 Out
AUTO ANNUNCIATE P4001 8 Out
INTEGRITY ANNUNCIATE P4001 9 Out
GPS SELECT [1] P4001 13 Out
ILS/GPS APPROACH P4001 14 Out
[1] The Operation of the 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 Connector Pin I/O
OBS MODE SELECT P4001 71 In
CDI SOURCE SELECT P4001 73 In
COM REMOTE RECALL [1] P4001 74 In
DEMO MODE SELECT P4001 75 In
[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 Connector Pin I/O
TIME MARK OUT P4001 16 Out
TIME MARK OUT outputs a 1 ms ± 1
μ
s wide pulse once every 1.0 s ± 2 ms. 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 GPS SELECT output.
4.5.4 Annunciators/Switches Calibration and Checkout
Refer to Section 5.3.9 for the annunciators/switches checkout.
4.5.5 Annunciators/Switches Interconnect
Refer to Appendix H for annunciators/switches interconnect information.