CH5 COMMUNICATIONS Flashcards
What does the MIC light indicate when illuminated?
The transmitter is selected
The MIC light is illuminated in green.
What happens to the MIC light for other transmitters when one is selected?
It extinguishes
Only one switch is normally selected at a time for each crew station.
What is the function of the CAB and SAT switches when selected at the same time?
Cabin to SATCOM conferencing
This allows communication between the cabin and SATCOM.
What occurs when the CAB transmitter select switch is pushed twice within one second?
Places a priority call to a selected cabin station
This is a specific function related to the cabin intercom system.
What does the second push of the CAB select switch do?
Deselects the transmitter and receiver audio
This action only occurs after one second has elapsed from the first push.
What does an illuminated CALL light indicate?
Indicates a call on SELCAL, FLT, CAB, or SATCOM
The CALL light is illuminated in white.
When does the CALL light reset?
When the respective transmitter select switch is pushed or by pressing a MIC/INTERPHONE switch
The SATCOM CALL light remains illuminated until the call ends.
What is a unique feature of the PA system regarding CALL lights?
PA does not have a CALL light
This differentiates the PA system from others like SELCAL and interphones.
Fill in the blank: The MIC light illuminates when the transmitter is _______.
selected
True or False: Only one transmitter can be selected at a time for each crew station.
True
What color is the CALL light when indicating a call?
White
What is the effect of deselecting the transmitter with the CAB switch?
Deselects receiver audio
This is part of the second push function.
What does the MIC/Interphone Switch do?
Keys the boom microphone or oxygen mask on the selected radio transmitter or other system
The MIC switch activates the microphone for communication, while the INT position allows intercom functionality.
What is the function of the Center position on the MIC/Interphone Switch?
Off position (spring-loaded to center)
This position does not activate any audio transmission.
What does the INT position on the MIC/Interphone Switch do?
Keys the boom microphone or oxygen mask on the flight interphone
This allows communication within the aircraft among crew members.
What are the available options for the VOR Receiver Selector?
- VOR L - left VOR and DME
- VOR R - right VOR and DME
- ADF L - (inop)
- ADF R - (inop)
The ADF options are inoperative, meaning they cannot be selected for navigation.
What happens when the PA Mic Switch is pushed and held?
- The MIC light for any other transmitter extinguishes
- Keys passenger address announcement from this station to all PA areas
This ensures that the PA announcement takes priority over other audio signals.
What does an illuminated (green) Receiver Light indicate?
The respective receiver volume control is manually selected on
This visual cue helps the crew to verify which audio sources are active.
How does the Receiver Volume Control function?
- Push - turns the respective receiver audio on or off
- Rotate - controls receiver volume
This allows for easy management of audio levels during operation.
What is required to turn the CAB receiver audio on or off?
The CAB transmitter select switch has to be selected on an ACP
This ensures that the cabin audio system is properly configured to receive or transmit audio.
What does the Speaker (SPKR) Volume Control do?
Controls communication audio volume in the flight deck speaker
Push - adds or removes communication audio; Rotate - adjusts volume
What are the options available for the Approach (APP) Receiver Selector?
Selects the approach receiver to be monitored:
* APP L - left ILS/GLS and DME
* APP R - right ILS/GLS and DME
* MR - marker beacon
These options allow pilots to monitor different navigation aids
What does the Navigation Filter Selector do?
Filters VOR, ILS, or DME audio
Options: V (voice), B (both), R (range)
What audio is available in all positions of the Navigation Filter Selector?
Marker beacon audio
This audio is accessible regardless of the selected filter
What happens during an uncommanded ACP restart?
The ACP will blank intermittently for approximately 5 seconds and revert to the last configuration
Manual reconfiguration is required after an uncommanded restart
Fill in the blank: The Audio Control Panel is continuously completing ______ functions throughout the flight.
BITE
BITE stands for Built-In Test Equipment
What does the V option in the Navigation Filter Selector represent?
Voice audio only
This setting filters out non-voice audio
What does the B option in the Navigation Filter Selector allow?
Both voice and range audio are heard
This is useful for receiving complete navigation information
What is the function of the MKR option in the Approach Receiver Selector?
Selects the marker beacon
This option is used to monitor specific navigation aids
What does the Push - function of the Mode Select Keys do?
Selects desired communication tuning mode page for display
Modes include VHF, HF, SAT, and CAB.
What is the function of the Line Select Keys?
Selects function line to be updated and moves data from scratchpad to selected line
This allows for data entry and updates in the system.
What happens when the Frequency Transfer (XFR) Switch is pushed?
Transfers STBY frequency or DATA to ACTIVE frequency and tunes the selected radio to the new active frequency
It can also transfer ACTIVE frequency or DATA to STBY frequency.
What is the role of the Numeric Keypad?
Puts selected character in scratchpad
This is used for inputting data into the system.
What does the Clear (CLR) Key do when pushed?
Clears last scratchpad character or scratchpad message
Holding it clears all scratchpad data.
What does the CLR key do when pushed?
Clears the last scratchpad character or scratchpad message
What happens when the CLR key is pushed and held?
Clears all scratchpad data
What does the CLR key display on VHF, HF, CABIN INTERPHONE (main page) or ALTN NAV page?
Displays CLEAR
What does the CLR key display if it is already displayed on STORED VHF or HF frequency pages?
Displays CLEAR PAGE
What does the CLR key display if it is already displayed on CABIN INTERPHONE (main page)?
Displays CLEAR ALL
What indicates that the Standby (STBY) Frequency STEP Control is active?
A list (- N/X) number is displayed next to the STBY radio title
What does pushing the Up button do in the STBY Frequency STEP Control?
Moves up in the stored frequency list for VHF and HF radios
What does pushing the Down button do in the STBY Frequency STEP Control?
Moves down in the stored frequency list for VHF and HF radios; DATA appears at the bottom of the list
What is a note regarding HF DATA availability?
HF DATA will only be available for the default radio as configured in the HF Manager
What does pushing the MENU key do?
Selects the MENU page for display
What options are displayed when the MENU key is pushed?
- SYS POWER (surveillance system power)
- ALERT / XPDR (transponder) CTL (control)
- SATCOM SYStem selection
- RADIO MISC
What does the Tuning and Control Panel OFF Switch do?
Push and hold for 2 seconds to select TCP off; push to select TCP on.
If TCP is off, it retains all frequencies and data.
What happens when a TCP fault occurs?
Selecting the TCP off, then on, can clear the fault.
This is a troubleshooting step for resolving TCP issues.
What indicates that the Tuning and Control Panel is off?
The Tuning and Control Panel OFF Light is illuminated.
This light serves as a visual indicator for the TCP status.
What do the PREV PAGE and NEXT PAGE keys do?
PREV PAGE displays the previous page; NEXT PAGE displays the next page of multiple page displays.
These keys help navigate through different display pages.
What frequency range does VHF operation cover in this context?
<118.000 to >125.000.
This range includes various VHF communication frequencies.
Fill in the blank: When TCP is selected off, it retains all _______.
frequencies and data.
True or False: The Tuning and Control Panel can clear a fault by simply being turned off.
False. It must be turned off and then back on to clear a fault.
This action is a specific procedure for fault resolution.
What function does the ‘Push’ button serve on the VHF page?
Stores active frequency on alternate frequency page
How many frequencies can be stored on the VHF pages?
A total of 24 frequencies may be stored on 3 STORED VHF pages
What does the List Number display indicate?
The number assigned to stored frequency below
What is considered the stored frequency number 1?
The STBY frequency on page 1
What does the Frequency display show?
The stored frequency
True or False: The VHF system can store frequencies on multiple pages.
True
Fill in the blank: A total of ______ frequencies may be stored on the VHF pages.
24 frequencies
What is the maximum number of STORED VHF pages available?
3 STORED VHF pages
What does the HF Sensitivity ‘UP’ key do?
Increases HF sensitivity in increments up to 100 or full volume
Holding the key down slews sensitivity up to desired volume.
What is the function of the HF Sensitivity ‘DOWN’ key?
Decreases HF sensitivity in increments down to 0 or minimum volume
Holding the key down slews sensitivity down to desired volume.
What does the HF USB/AM key do?
Toggles between upper side band (USB) and amplitude modulation (AM) modes.
What is the function of the ‘END CALL’ option in the SATCOM system?
Cancels the current call
The prompt returns to ‘MAKE CALL’.
What happens when the ‘MANUAL ENTRY’ key is pushed?
Initiates a SATCOM call to the number entered in the scratchpad
Once the call is in progress, the prompt returns to ‘END CALL’.
What does the ‘CLR STATUS’ button do?
Clears the CALL FAIL channel status message
The prompt returns to ‘MAKE CALL’.
What is the function of the ‘ANSWER’ key in the SATCOM system?
Answers incoming call
Once the call is in progress, the prompt returns to ‘END CALL’.
What information does the SATCOM Phone Number Identifier display?
• Identifier station name to be called from directory
• Phone number of station entered from scratchpad in manual dial mode
• Line is blank when last use was an incoming call
What happens when the SATCOM Response Key is pushed to REJECT?
• Rejects incoming call
• Prompt returns to blank
How does SATCOM Channel 2 operate compared to Channel 1?
Identical operation with additional provisions for IP data communications
What is the operational status of SAT-2 channel dependent on?
Provider subscription
What are the call priorities toggled by the SATCOM Call Priority Key?
• EMG - emergency call
• HGH - high priority call
• LOW - low priority call
• PUB - public correspondence/non-safety
What does the Observer (OBS) AUDIO Selector connect to?
Connects the captain’s hand microphone, headphone, boom microphone/headset, oxygen mask microphone, speaker, and mic/interphone switches to the first observer audio control panel.
What does the Normal (NORM) setting do in the first observer audio control panel?
Connects to the first observer’s hand microphone, headphone, boom microphone/headset, and oxygen mask microphone.
What does the First Officer (F/O) connect to in the first observer audio control panel?
Connects the first officer’s hand microphone, headphone, boom microphone/headset, oxygen mask microphone, speaker, and mic/interphone switches.
What is the function of the Accept (ACPT) Switch?
A positive response to a displayed message is downlinked to the origin of the displayed message.
How does the Cancel (CANC) Switch function?
Used to cancel a previously selected action or command.
What are the Datalink Accept/Cancel/Reject Switches typically used for?
For managing communications and responses to displayed messages.
Fill in the blank: The _______ connects the captain’s audio equipment to the first observer audio control panel.
Observer (OBS) AUDIO Selector
True or False: The Accept (ACPT) Switch functions the same as selecting an MFD communications display ACCEPT command key.
True
What does the Cancel (CANC) Switch do?
Removes the message from the display
Functions the same as selecting an MFD communications display CANCEL command key.
How does the Reject (RJCT) Switch function?
Sends a negative response to the displayed message back to its origin
Functions the same as selecting an MFD communications display REJECT command key.
What is the function of the Cockpit Voice Recorder TEST Switch?
Tests the area microphone CVR channel and provides a test tone from flight deck speakers
The test also displays an EICAS status message if it fails.
PUSH AND HOLD FOR 3 SECS ON THE GND AND ENGINES OFF
How long should the Cockpit Voice Recorder TEST Switch be held to perform a test?
Three seconds
This should be done on the ground with engines off.
What happens if the Cockpit Voice Recorder test fails?
An EICAS status message is displayed
The test may fail if crew is speaking when the test is initiated.
What happens to the microphone settings when the oxygen mask stowage doors are open?
The oxygen mask microphone is enabled and the boom microphone is disabled
When the left oxygen mask stowage box door is closed and the RESET/TEST lever is pushed, the opposite occurs.
What does the Cockpit Voice Recorder (CVR) system record?
Transmitted or received datalink communications and flight deck audio, including area conversations
It records using various microphones independent of switch positions.
How does the TCP manage display lighting?
Each TCP has a light sensor for automatic control and brightness can be adjusted using aisle stand panel or master brightness controls
This ensures optimal visibility for the flight crew.
How many independent VHF radios are installed in the VHF communication system?
Three independent VHF radios: VHF L (left), VHF C (center), and VHF R (right)
Any VHF radio can be controlled by any TCP.
True or False: The TCP enables the flight crew to share a display between multiple communication control functions.
True
When a VHF radio is tuned to frequency 121.5, what happens?
All flight crew automatically monitor the radio and receiver lights illuminate on all audio control panels
Which VHF radio is configured for voice communication only?
VHF L
Which VHF radios can be used for both voice and data communication?
VHF C and VHF R
How many VHF radios can operate in data mode at a time?
Only one VHF radio can operate in data mode at a time
What indicates that a VHF radio is inoperative on the TCP?
When – - X - —– is displayed, the affected radio (X) is inoperative
What happens in the event of electrical power loss?
The left VHF radio and left TCP continue to operate on standby power
What is always displayed when the VHF mode select key is pushed?
The main VHF page (1/X)
What do the ACTIVE and STBY titles indicate on the VHF page displays?
They indicate the selected radio and the current frequencies assigned
What happens if an invalid frequency is entered?
An INVALID ENTRY scratchpad message is displayed
How many stored frequencies can VHF pages 2, 3, and 4 contain in total?
24 total stored frequencies (8 per page for 3 pages)
What key is used to manually delete stored frequencies during flight?
CLR key
What does the UL indicator signify when an ATC uplink frequency is accepted?
It signifies that the uplink frequency is displayed in the scratchpad
Fill in the blank: Frequencies stored during flight may remain stored in the TCP after _______.
[flight is completed]
True or False: Entering the decimal for a new frequency in the VHF system is mandatory.
False
What control allows selection of stored frequencies for the active radio?
Standby frequency step control (UP or DN)
What color does the uplink frequency turn when selected into the active or standby position?
Green
What happens when an ATC uplink containing a VHF frequency is accepted?
The uplink frequency is displayed in the scratchpad preceded by a UL indicator.
Line selecting this frequency into the active, standby, or a stored position clears the scratchpad and turns the uplink frequency green in the uplink data block.
What is displayed in the scratchpad when a clearance contains both a radio frequency and a transponder code?
The radio frequency appears in the scratchpad only when the appropriate page is displayed on the TCP.
VHF frequencies appear when VHF page 1 is displayed, HF frequencies appear when HF page 1 is displayed, and transponder codes appear when the transponder page is displayed.
How many independent HF communication radios are there in the system?
Two independent HF communication radios, designated HF L (left) and HF R (right).
How many total HF frequencies can be stored in the TCP?
Up to 24 total HF frequencies can be stored in the TCP.
What happens to frequencies stored during flight after the flight is completed?
Frequencies not manually deleted remain stored in the TCP after the flight is completed.
What are the two modes of operation for the HF radios?
Upper side band (USB) and amplitude modulation (AM).
How is HF sensitivity controlled?
HF sensitivity is controlled by the HF sensitivity keys, which increment sensitivity between maximum (100) and minimum (0) volume.
What indicates a failure of the HF system to tune?
A tone lasting longer than 7 seconds indicates failure of the system to tune.
What happens when either HF radio is transmitting?
The antenna is disconnected from the other HF radio and cannot be used to transmit or receive.
Can both HF radios receive simultaneously?
Yes, both HF radios can receive simultaneously if neither is being used for transmitting.
What occurs if smoke is detected in the aft cargo compartment?
Power is removed from the HF radios and dashes are displayed on the TCP HF radio line.
How can the data mode be selected or deselected?
By pushing the frequency transfer switch when the word DATA is displayed on the active radio line (VHF or HF).
This action transfers the standby frequency to the active DATA window.
What happens when a new frequency is selected in the standby window while DATA is displayed?
DATA is replaced by the new frequency.
The data can be returned to the standby window by cycling through standby frequencies until DATA appears.
When a VHF or HF radio is in data mode, what is it not available for?
Voice communications.
To return to voice communication mode, a voice frequency must be transferred into the ACTIVE frequency window.
Are VHF and HF radio mode selections affected by load shedding during on-ground engine start procedures?
No, they are not affected.
This includes VHF switching to ground handling power or HF after engine start.
What happens to HF datalink transmissions on the ground?
They are inhibited.
What does the EICAS advisory message indicate when a VHF or HF radio transmits for more than 30 seconds?
RADIO TRANSMIT CAPT, F/O, or OBS is displayed.
The message is removed when the transmission stops.
What occurs to a VHF radio that transmits for more than approximately 35 seconds on the ground?
It is automatically disabled.
An intermittent tone is heard through the audio system several seconds before disablement.
What is the function of the SELCAL system?
It monitors the three VHF radios and the two HF radios.
The crew is alerted through the communication crew alerting system when a call is received from a ground station.
What type of communications does the SATCOM system provide?
Both data and voice communications.
What manages the SATCOM system?
The Satellite Data Unit (SDU).
How are flight deck voice calls controlled in the SATCOM system?
Using the TCPs and audio control panels.
How can SATCOM control pages be displayed?
By selecting SAT on the TCP.
What options are available on the SATCOM main menu pages for the flight crew?
Initiate, answer, and terminate calls; monitor call status; access lower-level pages.
Fill in the blank: The SATCOM control functions are active when _______.
[the appropriate controls are selected]
What indicates an incoming SATCOM call?
A SELCAL chime and illumination of a CALL light on the audio control panel
How can flight crews facilitate audio conferencing between the cabin and ground?
By selecting both the CAB and SAT transmitter select switches on
When are SATCOM calls terminated?
When the CALL light extinguishes
What does the EICAS communication message SATCOM CALL indicate?
A SATCOM message requires flight crew attention
List the four priority levels of the SATCOM system
- Emergency (EMG)
- High (HGH)
- Low (LOW)
- Public (PUB)
What does the Emergency (EMG) priority level activate?
Ground station alarm
What type of calls does the Public (PUB) priority level handle?
Non-safety related public correspondence
What does the communication crew alerting system provide?
Aural and visual alerts for normal operations requiring crew awareness
What visual alerts are presented in the communication crew alerting system?
EICAS messages preceded by a bullet symbol (*)
What is the aural alert for the High communication crew alert category?
High-low chime
What type of alert is reserved for future use in the communication crew alerting system?
High communication EICAS alert
What does a Medium communication crew alert category indicate?
Message awareness required. Crew action may be required.
Fill in the blank: The aural alert for the Low communication crew alert category is ______.
[None]
What are the components of the interphone communication system?
The interphone communication system includes:
* flight interphone system
* cabin interphone system
* service interphone system
* passenger address (PA) system
How are the flight interphone, service interphone, and passenger address systems typically operated?
They are normally operated through the audio select panel
What is used to operate the cabin interphone?
The cabin interphone is operated through the TCP or the flight deck handset
What does the flight interphone system provide?
Communications between flight deck crew members and between the flight deck and ground crew
How can the flight interphone system be accessed?
By selecting the INT (interphone) position on a control wheel or audio control panel mic/interphone switch
What are the ways to use the interphone after selecting the FLT transmitter selector?
By selecting one of the following microphone switches:
* MIC position of a control wheel switch
* MIC position of an audio control panel mic/interphone switch
* hand microphone push-to-talk switch
* glareshield MIC switch
What happens to the voice level from the flight deck speakers when selecting the MIC/INT switch?
Voice level decreases
How is crew alerting of a ground crew initiated call provided?
By an aural alert chime, the GROUND CALL EICAS communications alert message, and a CALL light illuminated on the audio control panel transmitter select switch
What does the service interphone system provide?
Voice communications between ground crew stations at various locations around the airplane
How can the service interphone system be connected to the flight interphone system?
Through the service interphone switch on the overhead panel
What is the purpose of the passenger address (PA) system?
Used by the flight crew to make cabin announcements
How does the flight crew access the PA system?
By pushing a PA mic switch on an audio control panel
What are the cabin PA announcement priorities?
- Flight deck announcements from an audio control panel
- Priority (all area) announcements
- Normal announcements from flight attendant or flight deck handsets
What does the cabin interphone system provide?
Voice communications between the flight deck and the flight attendant stations
What types of microphones are used in the cabin interphone system?
- Boom microphones
- Oxygen mask microphones
- Hand microphones
How is a cabin interphone call initiated?
From the TCP CABIN INTERPHONE page to alert the desired station
What alerts pilots to incoming cabin calls?
EICAS communications alert messages and chimes
What happens during normal priority calls from the cabin?
Displays the CABIN CALL EICAS message
What indicates a busy signal at the flight deck handset?
Normal priority calls made while another call is in progress
What message is displayed for Pilot Priority calls from the cabin?
CABIN ALERT EICAS message
What happens to lower priority cabin interphone calls during a Pilot Priority call?
They are automatically disconnected
How are calls from the cabin prioritized?
Pilot Priority calls are automatically connected as a conference call if placed during another Pilot Priority call
How can the cabin interphone call queue be accessed?
From the TCP CABIN INTERPHONE page menu
How are calls initiated on the CABIN INTERPHONE page?
By line selecting one of three predefined SPEED DIAL locations
What initiates calls in the Cabin Interphone System?
Calls are initiated by:
* Selecting one of three predefined SPEED DIAL locations
* Accessing the DIRECTORY menu and selecting the desired call location(s)
* Manually entering a valid two-digit dial code in the scratchpad
How can a priority call be placed to the Door 2L (CSM) position?
By pushing the audio control panel CAB transmitter select switch twice within one second
What happens if the cabin station is already in use when a priority call is made?
It is disconnected from the call in progress and connected directly to the flight deck
True or False: Flight deck initiated calls interrupt a current PA announcement from the dialed station.
False
How can calls be answered in the Cabin Interphone System?
By selecting an audio control panel CAB transmitter select switch or pressing a mic/interphone switch to the MIC position
What is required to operate the flight deck handset for making calls?
Entering the desired call location using the dial code step switches or numeric keys and pushing the dial code select switch
Fill in the blank: Calls can be ended by selecting the CABIN INTERPHONE page prompt _______.
[END CALL]
What is the function of the handset PA push-to-talk switch?
It is not required to operate the handset except for PA announcements
What does the cabin interphone menu allow pilots to do?
Make or end calls
How many predefined stations or groups of stations can be called using the speed dial menu?
Up to three
What happens when the handset reset switch is pressed?
It terminates the call
True or False: The directory of stations in the cabin interphone menu is shown in the manual.
False
What is the purpose of the two-digit station codes in the cabin interphone system?
They are used to manually enter the desired call location into the scratchpad
What is the purpose of the speed dial menu in the Cabin Interphone System?
To provide a quick means to call up to three predefined stations or groups of stations
How many calls can be displayed in the call queue when the flight deck is involved in a call?
Up to three calls
What are the priority levels for calls in the call queue?
- PILOT ALERT
- conference calls
- cabin calls
- other calls
When is the PILOT ALERT queue entry displayed?
When the flight deck is using the PA and an incoming call is received
What happens when there are three calls in the queue and a new, higher priority call is received?
The lowest priority call is removed from the queue and the new call is displayed in the proper priority
Fill in the blank: The speed dial menu allows a single push to initiate a selected _______.
[call]
True or False: The call queue can display calls in any order regardless of priority.
False
What is displayed in the typical Cabin Interphone Main Menu Page?
- CABIN INTERPHONE
- SPEED DIAL
- CALL QUEUE
- MAKE CALL
- DIRECTORY
What does the acronym PA stand for in the context of interphone systems?
[Public Address]
What types of calls are prioritized in the call queue?
- PILOT ALERT
- conference calls
- cabin calls
- other calls
What is the purpose of the SPEED DIAL Labels in the Cabin Interphone System?
Lists the dial code labels of predefined stations, station groups, or functions
Examples include PA CALL, ALL CALL, PURSER, GALLEY FWD, and GND CREW.
What function does the PA CALL label serve?
Selects the passenger address system
This allows the flight crew to communicate announcements to passengers.
What does the ALL CALL function do?
Selects all cabin interphone stations
This functionality enables communication with every interphone station in the cabin.
What is the function of the GND CREW label?
Activates an alert horn in the nose wheel well
This alerts the ground crew for communications with the flight crew.
How is a call initiated in the Cabin Interphone System?
By pushing the MAKE CALL button after entering a valid two-digit dial code
If the dial code is valid, the code and label are displayed.
What happens if an invalid dial code is entered?
INVALID ENTRY is displayed in the scratchpad
This indicates that the entered code does not correspond to any station.
What is displayed during a connect call?
CURRENT CALL shows the most recently selected dial code and label
The dial code is removed when the call is established.
What does the END CALL function do?
Disconnects all existing call connections
This allows the user to terminate ongoing calls.
What is the purpose of the CALL QUEUE Labels?
Lists the dial code labels of unanswered calls to the flight deck
This helps the flight crew manage missed communications.
What action does pushing the button next to CALL QUEUE perform?
Initiates a call back to the displayed station(s)
This function allows the flight crew to respond to missed calls.
Fill in the blank: The _______ allows the flight crew to communicate with the purser station.
[PURSER]
True or False: The MAKE CALL function can only be used with predefined dial codes.
False
A two-digit dial code may be manually entered with the TCP keyboard.
What does the communications display show when a call is being connected?
The most recently selected dial code and label
The dial code is removed once the call is established.
What information do CALL QUEUE Labels provide?
Lists the dial code labels of unanswered calls to the flight deck
What is the function of the ‘Push’ action in CALL QUEUE?
- Initiates a call back to the displayed station(s)
- Adds station(s) to the existing call if the flight deck is currently connected
What does a blank (dashes) status indicate?
Neither the PA nor video system is in use
What are the MFD communications functions used for?
To control datalink features including receiving, accepting, rejecting, reviewing, composing, sending, and printing datalink messages
Datalink messages not processed by the FMC are handled through these functions.
What types of communications can be established with the MFD?
Datalink communications with:
* ATC
* Company locations
* ACARS
* Datalink radio management functions
These communications are managed through communications management menus.
What does the communication (COMM) display switch do?
Displays the communications main menu on the selected multifunction display (MFD)
It allows for navigation in the communications functions.
How is message text entry accomplished in the MFD?
By entering data into the COMM scratchpad and transferring it to the appropriate area
This allows for composing messages before sending.
What happens to incoming ATC and FIS message traffic?
It is annunciated by an EICAS ATC communication message and displayed in the ATC Data Block on both auxiliary displays and the Comm MFD
This ensures visibility and acknowledgment of incoming messages.
What is indicated by a COMM communication message?
Company messages are annunciated by a EICAS COMM communication message and displayed only on the Comm MFD
This differentiates company messages from ATC messages.
What is required for ATC datalink communications?
Appropriate airplane and ATC capability
This ensures that the aircraft can effectively communicate with ATC via datalink.
Fill in the blank: Datalink messages not processed by the _______ are handled using MFD communications functions.
FMC
FMC stands for Flight Management Computer.
True or False: Messages can be printed on the flight deck printer using MFD communications functions.
True
This feature allows for physical documentation of messages.
What are the main categories of communications menus available on the MFD?
- ATC
- Flight Information
- Company
These categories help organize the different types of communications available.
What functions do the ACCEPT, CANCEL, and REJECT buttons on the glareshield perform?
They perform the same function as the same keys on the MFD.
How are uplink and downlink messages handled in ATC datalink?
They are stored, assigned the time of receipt/transmission, and are printable.
What is required for ATC datalink communication?
Manual logon to a participating ATC facility.
What is the crew feedback display function in ATC uplinks?
It indicates when clearance data set by the crew is properly set on the MCP, TCP, or EFIS control panel.
What data values change color from white to green when properly set by the crew?
- MCP speed
- MCP heading
- MCP altitude
- Transponder code
- VHF frequency
- HF frequency
- Barometer setting
What does the LOAD FMC command key indicate?
That FMC data is available for loading.
What occurs when the LOAD FMC command key is selected?
Data is transferred to the FMC and creates an FMC modification.
What types of messages provide indications of loading progress in the MFD?
- MFD information messages
- Help window messages
Fill in the blank: The ATC menu selection on the COMM display allows the display of _______.
[downlink message pages]
What is the purpose of the COMM display format in the ITP application?
To transmit In Trail Procedure (ITP) information to ATC using datalink
How does the flight crew initiate an ITP maneuver request?
By creating a request in the ITP application
What information is automatically sent to the ITP Level Request page when a request is created?
ITP reference airplane information
What details are listed for reference airplane flight IDs in the ITP Level Request?
- ITP distances
- Maneuver type
- Destination altitude
- Three free text lines for additional information
What action does the flight crew take to transmit the altitude change request?
Selecting the SEND softkey
What are the possible responses from ATC after an altitude change request is sent?
- Approval
- Denial
Who is ultimately responsible for the final decision to change altitudes during an ITP maneuver?
The flight crew and ATC
Fill in the blank: The ITP Level Request is automatically generated when selected on the _______ display.
[In Trail Procedure (ITP)]
True or False: The ITP application allows the flight crew to send requests for altitude changes to ATC.
True
