Subtask 10.1.11 Operate Communications Equipment

Question 1

What is the difference between rectangles and circles on the audio control panel?

Answer 1

Rectangles transmit, circles monitor

Question 2

What does the MIC button do on the ACP?

Answer 2

Allows audio communication via oxygen masks. (PUSH OUT) activates oxygen mask MIC.

Question 3

Understand the function and operation of the EMER, RAMP, and CAB buttons.

Answer 3

EMER- enables communication with FAs during emergency situations. A triple HI/LO tone chime sounds through the PA system and illuminates a red light at ceiling of the FA station. When selected, a green bar flashes on button until the FA picks up the call. Once FA picks up the call the green bar flashes faster. Pressing the button again, the light becomes steady and the communication with the FA is enabled.

RAMP- enables communication with ground personnel. For an incoming call, the ramp annunciator flashes and remains steady on when active. A single HI/LO tone chimes.

CAB- enables communication with FAs during normal situations. A single HI/LO tone chime sounds through the PA system and illuminates a green light at ceiling of the FA station. When selected, a green bar flashes on button until the FA picks up the call. Once FA picks up the call the green bar flashes faster. Pressing the button again, the light becomes steady and the communication with the FA is enabled.

Question 4

How many VHF radios does the ERJ have? Can you use all for voice?

Answer 4

Three (3) VHF comms – the third is generally for receiving ACARS but you set up all 3 for voice via MCDU COM page.

Question 5

Which VHF radio does ACARS use?

Answer 5

COM 3

Question 6

What is the PA button for?

Answer 6

passenger announcements