User's Guide

User Guide for the Envoy Data Link
Document Number: UG-15000 Rev. A Page 97 of 173
When on the ground, details such as label ID, label name and values being received from an I/O
on SYS MON 4/6 and 5/6 can be viewed by selecting the adjacent LSK.
A typical read out of an ARINC 429 label, in this case RX3, configured as the FMC General Output
Bus (GOB), is detailed on two pages, as shown in Figure 6-10.
TX/RX Details Pages 1/2 and 2/2
The data received by the equipment configured at a TX or RX port on SYS MONITOR pages 3/6,
4/6, and 5/6 can be viewed when the aircraft is on the ground.
By pressing the respective LSK, one or more pages of data sent on a specific discrete can be
viewed, or refreshed.
In the example below, the FMC General Output Bus (GOB) supplies details about the flight, which
can be consumed by the Envoy in constructing CPDLC and ACARS messages.
Figure 6-10 A429 RX Details Pages 1/2 and 2/2
The labels, names and values described below are a sample read out.
RX3 (subtitle)
FMC GOB: FMC general output bus
LBL
061, 062, 063 FMS Origin/Destination data
074, 075 Fuel/Gross weight
102, 107 Altitude and cleared cruise altitude
150 UTC in HHMMSS
NAME
ACMS
VALUE
SM
Signed Status Matrix
SD
Source Destination Identifiers
Discretes and labels for dynamic data sent to the Envoy from other configured devices may be
appended to the FMC GOB, including dynamic data from the EFIS (Electronic Flight Instrument
System), such as Distance to Go, Active Waypoints, FMS LAT/LON, flight plan vectors, reference
waypoints.
Details for all labels are out of scope of this user guide and are available one of the following
Envoy documents:
• Envoy Interface Control Document, ICD-15000
• Envoy Component Maintenance Manual, CMM-15000
LABEL
FUNCTION or DESCRIPTION