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8- A220 Electronic Display Questions with
Detailed Verified Answers
Question: Which control panels are used to interact with the DU (Display
Units)?
Ans✅ ✅: 1. CTP (Control Tuning Panel)
2. MKP (Multifunction Keyboard Panel)
Question: The PFDs are located on which DUs.
Ans✅ ✅: DU1 and DU4
Question: Where is the control that allows you to turn OFF DU 1 though
DU4
Ans✅ ✅: The OUTBD and INBD control knobs on the glareshield
Question: Where is the control that allows you to select compressed
mode?
Ans✅ ✅: EICAS switch on the RSP (Reversion Switch Panel)
Question: How many DU's have to fail before EICAS switch allows you
to access compressed mode?
Ans✅ ✅: 2 or more
Question: What happens when you select the "SWAP" position on the
RSP?
Ans✅ ✅: it transfers EICAS from DU2 to DU3
Question: What is the default location of EICAS?
Ans✅ ✅: DU 2
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Question: What is the purpose of the DSPL TUNE INHIB switch on the
RSP?
Ans✅ ✅: It inhibits the tuning on the display using the CNS synoptic page
Question: What is the purpose of the L/R CURSOR INHIB switches?
Ans✅ ✅: It disables the trackball of the associated Cursor Control Panel (CCP)
Question: What is the purpose of the ADS and IRS switches on the
RSP?
Ans✅ ✅: It allows manual selection of an alternate source of the selected display
(LPFD or RPFD)
Question: What is the purpose of the FD/AT ALTN switch
Ans✅ ✅: It allows the transfer of the FD/AT from the active DMC to the STBY DMC.
Question: What indications do you get if you try to select the EICAS
switch to a function that is not available?
Ans✅ ✅: SELECTION INACTIVE
Question: On which areas is it impossible to place the cursor on?
Ans✅ ✅: ON any PFD or EICAS area (normal or compressed mode)
Question: What do we call the position to which the cursor goes to
when the DSPL UPR or LWR is selected?
Ans✅ ✅: Cursor Home Position
Question: What other means can be used to move the cursor other than
the trackball?
Ans✅ ✅: 1. Arrow keys on the MKP
2. DSPL SEL: UPR or LWR on the CCP
Question: What happens to the cursor after 3 min of inactivity?
8- A220 Electronic Display Questions with
Detailed Verified Answers
Question: Which control panels are used to interact with the DU (Display
Units)?
Ans✅ ✅: 1. CTP (Control Tuning Panel)
2. MKP (Multifunction Keyboard Panel)
Question: The PFDs are located on which DUs.
Ans✅ ✅: DU1 and DU4
Question: Where is the control that allows you to turn OFF DU 1 though
DU4
Ans✅ ✅: The OUTBD and INBD control knobs on the glareshield
Question: Where is the control that allows you to select compressed
mode?
Ans✅ ✅: EICAS switch on the RSP (Reversion Switch Panel)
Question: How many DU's have to fail before EICAS switch allows you
to access compressed mode?
Ans✅ ✅: 2 or more
Question: What happens when you select the "SWAP" position on the
RSP?
Ans✅ ✅: it transfers EICAS from DU2 to DU3
Question: What is the default location of EICAS?
Ans✅ ✅: DU 2
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Question: What is the purpose of the DSPL TUNE INHIB switch on the
RSP?
Ans✅ ✅: It inhibits the tuning on the display using the CNS synoptic page
Question: What is the purpose of the L/R CURSOR INHIB switches?
Ans✅ ✅: It disables the trackball of the associated Cursor Control Panel (CCP)
Question: What is the purpose of the ADS and IRS switches on the
RSP?
Ans✅ ✅: It allows manual selection of an alternate source of the selected display
(LPFD or RPFD)
Question: What is the purpose of the FD/AT ALTN switch
Ans✅ ✅: It allows the transfer of the FD/AT from the active DMC to the STBY DMC.
Question: What indications do you get if you try to select the EICAS
switch to a function that is not available?
Ans✅ ✅: SELECTION INACTIVE
Question: On which areas is it impossible to place the cursor on?
Ans✅ ✅: ON any PFD or EICAS area (normal or compressed mode)
Question: What do we call the position to which the cursor goes to
when the DSPL UPR or LWR is selected?
Ans✅ ✅: Cursor Home Position
Question: What other means can be used to move the cursor other than
the trackball?
Ans✅ ✅: 1. Arrow keys on the MKP
2. DSPL SEL: UPR or LWR on the CCP
Question: What happens to the cursor after 3 min of inactivity?
