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T-6 Systems > Comm System > Flashcards

Comm System Flashcards

1
Q

How many preset channels are allowed on the UHF backup control unit?

A

20

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2
Q

Where is the UHF backup control unit located?

A

Center console in the front cockpit only

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3
Q

What are the two interphone modes?

A

HOT and COLD

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4
Q

When in HOT mode, both microphones are what?

A

Active

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5
Q

Where is the ground interphone headset jack located?

A

On the left fuselage, below the avionics bay

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6
Q

How do you adjust VHF radio volume?

A

Rotate the VHF knob on the audio control panel

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7
Q

True or false: The audio control panel is located in the front cockpit only

A

False

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8
Q

What effect will moving the bypass switch to the ALTN position have on the UHF radio?

A

The audio will be unamplified, raw audio

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9
Q

What are the buttons on the left side of the RMU?

A

Field select buttons

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10
Q

What will you see when a field select key has been pressed?

A

A rectangular cursor will appear in the field

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11
Q

What are transfer switches on the RMU labeled with?

A

White diamond

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12
Q

Pulling out the small tuning knob will allow you to change UHF frequency in what increments?

A

25 kHz

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13
Q

What indication is given when the RMU is on the preflight test page?

A

PFT is shown in the top field

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14
Q

True or false: If the RMU passes the preflight it will display the preflight test page for 5 seconds, then return to the normal operating page

A

True

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15
Q

UHF radio information is displayed in what field on the RMU display?

A

First

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16
Q

How do you toggle between active and standby frequencies on the UHF radio?

A

Press the transfer switch adjacent to the UHF field

17
Q

Pressing the MEM special function key will do what?

A

Display the last used memory channel in the standby frequency

18
Q

What indication is shown on the RMU display when the UHF Guard is turned on?

A

The word Guard

19
Q

How many VHF NAV presets can be stored in the RMU?

A

10

20
Q

What does the DMEH button do?

A

Holds the current DME information while allowing use of another nav facility

21
Q

With the transponder mode set to STBY, what information is being transmitted?

A

None

22
Q

How many transponder codes can the RMU store in addition to the active code?

A

One

23
Q

True or false: The VHF transceiver has a separate radio for monitoring VHF Guard

A

False

24
Q

What is the UHF Guard frequency?

A

243.00

25
Q

The UHF backup control unit is activated by what?

A

Turning the OFF/PUSH TEST knob clockwise

26
Q

VHF NAV volume control is provided through what?

A

The NAV knob on the audio control panel

27
Q

The ground crew interphone is activated by what?

A

When the battery switch in either cockpit is switched on

28
Q

If the RMU does not pass the preflight test, you may override the system by doing what?

A

Pressing the key next to ACCEPT

29
Q

What will the UHF radio do when in BOTH mode?

A

Monitor Guard and the active frequency and transmit on the active frequency

30
Q

How is UHF radio direct tuning accomplished?

A

Holding down the appropriate transfer key for at least 3 seconds, then dialing in the new frequency

31
Q

The RMU allows storage of up to how many UHF or VHF communication frequencies in memory channels?

A

20

32
Q

What do you do to access the RMU special functions page for selected systems?

A

Press the PAGE special functions key

33
Q

What is the RMU preflight test initiated by?

A

Applying power to the RMU

34
Q

What indication do you see when squelch is turned off?

A

The letters “SQ” are displayed

35
Q

What indication will you get on the RMU if the backup UHF radio control unit is in operation?

A

The word “REMOTE” will be displayed

36
Q

What is the main operational difference between the UHF radio and VHF radio?

A

The VHF radio doesn’t monitor Guard frequency; you must dial it up manually

37
Q

With the transponder set to ALT, what information is being transmitted

A

Aircraft altitude and transponder code

T-6 Systems (12 decks)

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