ATA 23: Communications Flashcards
COMM_01 Understand the control functions and indications on the RMP.
1. Communication Radio Selection Keys
These keys allow the selection of the desired ______ or ______ radio for frequency display.
The selected radio is identified by a ________ light next to the selection key.
VOL II, 23.6.2.1

COMM_01 Understand the control functions and indications on the RMP.
1. Communication Radio Selection Keys
These keys allow the selection of the desired VHF or HF radio for frequency display.
The selected radio is identified by a green light next to the selection key.
VOL II, 23.6.2.1

COMM_01 Understand the control functions and indications on the RMP.
2. ACTIVE Window:
- Displays the ________ frequency of the selected radio.
VOL II, 23.6.2.1
COMM_01 Understand the control functions and indications on the RMP.
2. ACTIVE Window:
- Displays the active frequency of the selected radio.
VOL II, 23.6.2.1

COMM_01 Understand the control functions and indications on the RMP.
3. Transfer Key
- When pushed, the active and standby frequencies are ________.
- The selected radio is then tuned to the new ________ frequency.
- If the NAV key and a VOR or ILS is selected, the transfer key alternately selects the ________ and ________ of the selected radio in the STBY/CRS window.
VOL II, 23.6.2.1
COMM_01 Understand the control functions and indications on the RMP.
3. Transfer Key
- When pushed, the active and standby frequencies are exchanged.
- The selected radio is then tuned to the new active frequency.
- If the NAV key and a VOR or ILS is selected, the transfer key alternately selects the frequency and course of the selected radio in the STBY/CRS window.
VOL II, 23.6.2.1

COMM_01 Understand the control functions and indications on the RMP.
4. STBY/CRS Window
- Displays a standby frequency which can be made active by pushing the ________ key, or ________ by rotating the selector knob.
- The RMP STBY/CRS windows are ________ and retain the ________ frequency selected on that RMP.
VOL II, 23.6.2.1
COMM_01 Understand the control functions and indications on the RMP.
4. STBY/CRS Window
- Displays a standby frequency which can be made active by pushing the transfer key, or changed by rotating the selector knob.
- The RMP STBY/CRS windows are independent and retain the last frequency selected on that RMP.
VOL II, 23.6.2.1

COMM_01 Understand the control functions and indications on the RMP.
5. Selector Knobs
- Two concentric knobs allow preselection of frequencies for ______ or ______ radios and the selection of courses for a ______ or ______.
- When tuning, the desired frequency or course is viewed in the ______/______ window.
- The outer knob controls the digits to the ________ of the decimal, the inner knob those to the ________ of the decimal.
VOL II, 23.6.2.1
COMM_01 Understand the control functions and indications on the RMP.
5. Selector Knobs
- Two concentric knobs allow preselection of frequencies for communication or navigation radios and the selection of courses for a VOR or ILS.
- When tuning, the desired frequency or course is viewed in the STBY/CRS window.
- The outer knob controls the digits to the left of the decimal, the inner knob those to the right of the decimal.
VOL II, 23.6.2.1

COMM_01 Understand the control functions and indications on the RMP.
6. ON/OFF Switch
Controls the power supply to the ________.
7. NAV Key
When the NAV key is pushed (guard lifted):
- The ________ light next to the key illuminates
- The VOR, ILS, and ADF receivers are controlled by the ________ rather than the ________
- ______-___ navigation tuning has been selected
Nav radio tuning may be returned to the ________ by deselecting the NAV key.
VOL II, 23.6.2.1
COMM_01 Understand the control functions and indications on the RMP.
6. ON/OFF Switch
Controls the power supply to the RMP.
7. NAV Key
When the NAV key is pushed (guard lifted):
- The green light next to the key illuminates
- The VOR, ILS, and ADF receivers are controlled by the RMP rather than the FMGECs
- Back-up navigation tuning has been selected
Nav radio tuning may be returned to the FMGECs by deselecting the NAV key.
VOL II, 23.6.2.1

COMM_01 Understand the control functions and indications on the RMP.
8. BFO Key
- This key is used to select the ______ ______ ______ (BFO) function on or off.
- The key ________ when BFO is selected on.
VOL II, 23.6.2.1
COMM_01 Understand the control functions and indications on the RMP.
8. BFO Key
- This key is used to select the Beat Frequency Oscillator (BFO) function on or off.
- The key illuminates when BFO is selected on.
With the BFO switch on, the ADF receiver generates an audio tone to help you tune in an NDB. On the control panel, select ADF
VOL II, 23.6.2.1

9. STBY NAV Keys
These keys allow for the selection of standby navigation radio tuning.
When the NAV key is pushed and an ILS, VOR, or ADF key is pushed:
- ________ can be tuned for the selected navigation radio
- ________ can be selected for an ILS or VOR
- The ________ light next to the selected navigation radio illuminates
Additionally, only one ______ ______ key can be selected at a time.
When a STBY NAV key is selected, any previously selected STBY NAV key is ________
VOL II, 23.6.2.1
COMM_01 Understand the control functions and indications on the RMP.
9. STBY NAV Keys
These keys allow for the selection of standby navigation radio tuning.
When the NAV key is pushed and an ILS, VOR, or ADF key is pushed:
- Frequencies can be tuned for the selected navigation radio
- Courses can be selected for an ILS or VOR
- The green light next to the selected navigation radio illuminates
Additionally, only one STBY NAV key can be selected at a time.
When a STBY NAV key is selected, any previously selected STBY NAV key is deselected
VOL II, 23.6.2.1

COMM_01 Understand the control functions and indications on the RMP.
10. AM Key
- When selected, ______ ______ is provided during ________ communications.
- When selected off, only ________ sideband is available.
VOL II, 23.6.2.1
COMM_01 Understand the control functions and indications on the RMP.
10. AM Key
- When selected, amplitude modulation is provided during HF communications.
- When selected off, only single sideband is available.
Amplitude modulation is one way of transmitting radio signals across large distances.
VOL II, 23.6.2.1

COMM_01 Understand the control functions and indications on the RMP.
11. SEL Indicator
Illuminates when the following radio combinations are selected on the RMPs:
- ________ is selected on RMP2 or 3
- ________ is selected on RMP1 or 3
- VHF3, HF1, or HF2 are selected on ________ or ________
VOL II, 23.6.2.1
COMM_01 Understand the control functions and indications on the RMP.
11. SEL Indicator
Illuminates when the following radio combinations are selected on the RMPs:
- VHF1 is selected on RMP2 or 3
- VHF2 is selected on RMP1 or 3
- VHF3, HF1, or HF2 are selected on RMP1 or 2
VOL II, 23.6.2.1

10. LOAD FUNCTION
When the ATC sends (________ or ________) CPDLC messages to the flight crew:
- a ________ light above the LOAD key illuminates to indicate that the sent______ is available to be loaded.
- Press this LOAD key before ________ the CONTACT/MONITOR messages to load this VHF frequency to the ______/____ window.
Note: When a frequency from the ATC services (sent via datalink) has been received, the ATSU validates the frequency and simultaneously sends the information to all the RMP in order to activate the LOAD function.
When the LOAD function is activated, the flight crew can ______ load the frequency on each ________ as often as necessary; except if ______ is present on standby window.
Air Traffic Services Unit (ATSU) Airline Operational Communication

COMM_01 Understand the control functions and indications on the RMP.
-900
10. LOAD FUNCTION
When the ATC sends (CONTACT or MONITOR) CPDLC messages to the flight crew:
- a white light above the LOAD key illuminates to indicate that the sent frequency is available to be loaded.
- Press this LOAD key before closing the CONTACT/MONITOR messages to load this VHF frequency to the STBY/CRS window.
Note: When a frequency from the ATC services (sent via datalink) has been received, the ATSU validates the frequency and simultaneously sends the information to all the RMP in order to activate the LOAD function.
When the LOAD function is activated, the flight crew can repeatedly load the frequency on each RMP as often as necessary; except if DATA is present on standby window.
Air Traffic Services Unit (ATSU) Airline Operational Communication
Vol. II, -900 Supp 5.1.3.1

COMM_02 Understand the control functions and indications on the ACP. Audio Control Panels
1. Transmitter Selector Keys
- A channel is selected for transmission by pushing its respective ________ key.
- Once selected, the pb illuminates ________ and connected ________ calls are placed on hold.
- A flashing ______ __(__) transmission key indicates that a ________ call is on hold.
- Only one transmission channel can be ________ at a time.
VOL. II, 23.6.3.1

COMM_02 Understand the control functions and indications on the ACP – Audio Control Panels
1. Transmitter Selector Keys
- A channel is selected for transmission by pushing its respective selection key.
- Once selected, the pb illuminates green and connected SATCOM calls are placed on hold.
- A flashing SAT 1(2) transmission key indicates that a SATCOM call is on hold.
- Only one transmission channel can be selected at a time.
VOL. II, 23.6.3 Audio Control Panels

COMM_02 Understand the control functions and indications on the ACP.
2. SELCAL
- A SELCAL can be ________ when the appropriate frequency is tuned.
- ________ illuminates in the corresponding key, accompanied by a buzzer.
- ______ and______ radios can receive SELCALs.
- The SELCAL buzzer can only be silenced by pushing the ________ key on the ________.
VOL. II, 23.6.3.1

COMM_02 Understand the control functions and indications on the ACP.
2. SELCAL
- A SELCAL can be received when the appropriate frequency is tuned.
- CALL illuminates in the corresponding key, accompanied by a buzzer.
- VHF and HF radios can receive SELCALs.
- The SELCAL buzzer can only be silenced by pushing the reset key on the ACP.
VOL. II, 23.6.3.1

COMM_02 Understand the control functions and indications on the ACP.
3. MECH
- The MECH light on the ACP flashes amber, accompanied by a ________, when a call is received from ground personnel at the ______ ______.
- If not reset, the MECH light ________ after a ________ time.
VOL. II, 23.6.3.1

COMM_02 Understand the control functions and indications on the ACP.
3. MECH
- The MECH light on the ACP flashes amber, accompanied by a buzzer, when a call is received from ground personnel at the nose gear.
- If not reset, the MECH light extinguishes after a short time.
VOL. II, 23.6.3.1

COMM_02 Understand the control functions and indications on the ACP.
4. ATT
- The ATT light on the ACP flashes amber, accompanied by a buzzer, when a call is received from a ______ ______ station.
- For a normal call, the ATT light ________ after a ________ time if it is not reset using the ________ key.
- For an emergency call the ATT light will only ________ if the ________ key is pushed
VOL. II, 23.6.3.1

COMM_02 Understand the control functions and indications on the ACP.
4. ATT
- The ATT light on the ACP flashes amber, accompanied by a buzzer, when a call is received from a flight attendant station.
- For a normal call, the ATT light extinguishes after a short time if it is not reset using the RESET key.
- For an emergency call the ATT light will only extinguish if the RESET key is pushed
VOL. II, 23.6.3.1

COMM_02 Understand the control functions and indications on the ACP.
5. Reception Knobs
- When pushed and released (knob ________), the respective channel audio is ________, and the knob’s white integral light ________.
- The knob can be______ to adjust the volume.
- When pushed (knob in), the respective channel audio is switched ________, and the white light _______._
VOL. II, 23.6.3.1

COMM_02 Understand the control functions and indications on the ACP.
5. Reception Knobs
- When pushed and released (knob extended), the respective channel audio is selected, and the knob’s white integral light illuminates.
- The knob can be rotated to adjust the volume.
- When pushed (knob in), the respective channel audio is switched off, and the white light extinguishes.
VOL. II, 23.6.3.1

COMM_02 Understand the control functions and indications on the ACP.
6. RESET Key
- When pushed, the ______, ______, and ______ lights extinguish if a call has been received.
- The ________ light and, for a normal call from a flight attendant, the ________ light will automatically ________ after a ________ time if the call is not cancelled by the ________ key.
VOL. II, 23.6.3.1

COMM_02 Understand the control functions and indications on the ACP.
6. RESET Key
- When pushed, the CALL, MECH, and ATT lights extinguish if a call has been received.
- The MECH light and, for a normal call from a flight attendant, the ATT light will automatically extinguish after a short time if the call is not cancelled by the RESET key.
VOL. II, 23.6.3.1

COMM_02 Understand the control functions and indications on the ACP.
7. VOICE Key
- Used to______ the navaid ______ ______ ______ identifier signals.
- The recorded ________ navaid identifier will still be heard.
- When pushed, a ________light above the key illuminates and the ______ ______ is filtered out.
- This configuration is used when ________ reception is desired through a navaid.
VOL. II, 23.6.3.1

COMM_02 Understand the control functions and indications on the ACP.
7. VOICE Key
- Used to inhibit the navaid morse code audio identifier signals.
- The recorded voice navaid identifier will still be heard.
- When pushed, a green light above the key illuminates and the morse code is filtered out.
- This configuration is used when voice reception is desired through a navaid.
VOL. II, 23.6.3.1

COMM_02 Understand the control functions and indications on the ACP.
8. INT/RAD Switch
• INT (“hot” microphone)
- ______-______ ground and flight interphone transmission is available when using a boomset or oxygen mask microphone. For reception, the ________ reception knob must be extended.
• Neutral
- The boomset and oxygen mask microphones are ________ for ground and flight interphone _t_______ Reception is not affected.
• RAD
- The spring loaded RAD switch must be pushed and held to operate. It is used as a _____-__-____ the boomset or oxygen mask microphones through the channel selected by the transmission key.
VOL. II, 23.6.3.1

COMM_02 Understand the control functions and indications on the ACP.
8. INT/RAD Switch
• INT (“hot” microphone)
- Hands-free ground and flight interphone transmission is available when using a boomset or oxygen mask microphone. For reception, the INT reception knob must be extended.
• Neutral
- The boomset and oxygen mask microphones are disconnected for ground and flight interphone transmission. Reception is not affected.
• RAD
- The spring loaded RAD switch must be pushed and held to operate. It is used as a push-to-talk the boomset or oxygen mask microphones through the channel selected by the transmission key.
VOL. II, 23.6.3.1

COMM_03
Understand the control function of the AUDIO Selector Knob, CVR Panel, & CALLS Panel.
AUDIO Selector Knob
- In case of a ________ of the captain’s or first officer’s ________, the AUDIO switching knob permits replacement of the failed ________ with ________.
- Moving the switch from the NORM deactivates the______ occupant’s boomset and oxygen mask microphone.
NORM
Each crew member uses their dedicated ________
CAPT ON 3
Captain makes all ACP selections with ________.
F/O ON 3
First officer makes all ACP selections with ________.
VOL. II, 23.6.6

COMM_03
Understand the control function of the AUDIO Selector Knob, CVR Panel, & CALLS Panel.
AUDIO Selector Knob
- In case of a failure of the captain’s or first officer’s ACP, the AUDIO switching knob permits replacement of the failed ACP with ACP3.
- Moving the switch from the NORM deactivates the third occupant’s boomset and oxygen mask microphone.
NORM
Each crew member uses their dedicated ACP.
CAPT ON 3
Captain makes all ACP selections with ACP3.
F/O ON 3
First officer makes all ACP selections with ACP3.
VOL. II, 23.6.6

COMM_03
Understand the control function of the AUDIO Selector Knob, CVR Panel, & CALLS Panel.
CVR Panel
GND CTL pb
AUTO (lights out) - The ________ and ________ are automatically energized after ________ engine start or for ________ minutes after electrical power is applied to the aircraft.
Selected ON (momentary action):
- The ________ is energized.
- The ______ ______ ______ ______ (______) is energized.
- ON illuminates ________.
VOL. II, 23.6.14

COMM_03
Understand the control function of the AUDIO Selector Knob, CVR Panel, & CALLS Panel.
CVR Panel
GND CTL pb
AUTO (lights out) - The CVR and DFDR are automatically energized after first engine start or for five minutes after electrical power is applied to the aircraft.
Selected ON (momentary action):
- The CVR is energized.
- The Digital Flight Data Recorder (DFDR) is energized.
- ON illuminates blue.
VOL. II, 23.6.14

COMM_03
Understand the control function of the AUDIO Selector Knob, CVR Panel, & CALLS Panel.
CVR Panel
LED Indicator
- The LED indicator consists of ______ and ______lights to indicate the results of a CVR ________.
- A satisfactory test is indicated by illumination of at least ______ ______ light.
VOL. II, 23.6.14

COMM_03
Understand the control function of the AUDIO Selector Knob, CVR Panel, & CALLS Panel.
CVR Panel
LED Indicator
- The LED indicator consists of red and green lights to indicate the results of a CVR test.
- A satisfactory test is indicated by illumination of at least one green light.
VOL. II, 23.6.14

COMM_03
Understand the control function of the AUDIO Selector Knob, CVR Panel, & CALLS Panel.
CVR TEST pb
Pushed and held:
- The test is ________ provided the CVR is energized.
- A low ______ ______ is heard through the two flight deck loudspeakers.
- The results are indicated on the ________ indicator.
VOL. II, 23.6.14

COMM_03
Understand the control function of the AUDIO Selector Knob, CVR Panel, & CALLS Panel.
CVR TEST pb
Pushed and held:
- The test is activated provided the CVR is energized.
- A low frequency tone is heard through the two flight deck loudspeakers.
- The results are indicated on the LED indicator.
VOL. II, 23.6.14















