User's Guide
Table Of Contents
- 1 Introduction
- 1.1 Audience
- 1.2 Overview
- 1.3 Envoy CMU Features
- 1.4 Configuration Options for Envoy
- 2 Operation of Envoy
- 3 CPDLC Operations
- 3.1 Log On
- 3.2 Logoff
- 3.3 Lost Connection
- 3.4 Typical Message Composition
- 3.5 ATC Menu
- 3.5.1 ATC Request Menu – FANS 1/A+ and ATN B1 CPDLC Common
- 3.5.2 ATC REPORT Menu
- 3.5.3 WHEN CAN WE EXPECT
- 3.5.4 POS REPORT Message – FANS 1/A+
- 3.5.5 EMERGENCY (MAYDAY) Message – FANS 1/A+
- 3.5.6 ATC MSG LOG
- 3.5.7 CLEARANCE REQUESTS – FANS 1/A+
- 3.5.8 FREE TEXT 1/2
- 3.5.9 ATC VOICE CONTACT Message – FANS 1/A+
- 3.5.10 Cancel EMERGENCY, Cancel ADS
- 3.5.11 Flight Plan Transactions and Monitoring
- 4 Automatic Dependent Surveillance (ADS)
- 5 ACARS Operations
- 6 MAINTENANCE Menu
- Appendix A Acronyms
- Appendix B AFN Messages
- Appendix C Supported CPDLC Messages
- Appendix D ADS-C Tags
- Appendix E ACARS Message Labels
- Appendix F ATSU Call Signs (ICAO, IATA)
- Appendix G Fault Management
User Guide for the Envoy Data Link
Document Number: UG-15000 Rev. A Page 19 of 173
Item
Color
Description
SMALL FONT
White
Descriptive labels above or adjacent to data input fields.
LARGE FONT
White
Text for an open message (UM or DM).
SMALL FONT
Green
Text for a closed or message.
------------------
White
The visual delimiter above LSK L6 and LSK R6 separating input fields from page
navigation and action prompts.
<RETURN
Green
Return to parent page or menu.
ACTION>
Blue
Default color for endpoint actions that transmit data to a ground station, such as LOGON,
SEND, READBACK, WILCO, STANDBY, and ACCEPT, is blue.
Default color for endpoint actions that send data to other onboard devices, such as SEND
TO FMC, VERIFY, SAVE (to Envoy memory), PRINT or PRINT LOG (to configured
cockpit printer), or REFRESH, is green.
Transmit and save endpoint actions typically display only after required data has been
input and/or format has been verified.
FUNC>
Green
2.2.2 LightSense
LightSense™ autonomously monitors ambient lighting and adjusts display brightness accordingly.
During daylight operations, display and keyboard lighting increases to enhance visibility. During
nighttime operations and dusk/dawn transitions, LightSense decreases brightness to avoid undue
distraction.
LightSense has a manual override capability, via the BRT function key described in Section 2.2.5.
2.2.3 QWERTY Keyboard
The QWERTY keyboard can be used to enter or edit data. The following keys enable the aircrew
to edit, copy, or delete data that is downselected to the scratchpad or to set the input to a negative
value.
2.2.4 Line Select Keys (LSKs)
Twelve (12) line select keys (LSKs) to the left and right of the display correspond to input fields,
toggles, selection lists, or actions denoted by either a carat (< or >) or a down arrow (↓). Pressing
an LSK:
Cycles through the available values of a selection list
Downselects the content of the respective input field to the (empty) scratchpad
Upselects the content in the scratchpad to the respective input field
Changes the page or performs the action
If pressed when scratchpad is empty, the word DELETE appears in the scratchpad, and
pressing an LSK resets the corresponding field to its default value, or deletes the
corresponding message log entry.
Clear one character from the scratchpad, or press and hold for 2 seconds to clear the
scratchpad contents
Set a numeric value to a negative, or to reverse the value of a negative to a positive.
Used in conjunction with the BRT function key to brighten/dim the display and keyboard
lighting.