OXYGEN AND CALLS PANEL Flashcards
What does the PASSENGER SYS ON light mean?
The signal to release the oxygen mask doors has been sent
When do the masks automatically deploy?
When cabin altitude exceeds 14,000 feet
How long does the PAX oxygen last?
Approximately 13 minutes
Where is oxygen stored for the crew?
In a single high-pressure cylinder
What happens during the preflight when you push to extinguish the CREW SUPPLY OFF light?
It electrically opens a valve in the avionics bay to supply low-pressure crew oxygen
What would you notice on the DOOR ECAM page if you set the CREW SUPPLY to ON?
The OXY would change from amber to green
Will the crew oxygen mask microphone automatically be deactivated when the mask is stowed?
No, you must press the RESET slide switch
How do you call a mechanic stationed on the outside of the aircraft?
Momentarily depress the MECH pushbutton. A blue light on the EXT PWR PANEL will illuminate and an external horn will sound
How do you make a normal call to the ITM’s?
a. Press the FWD or AFT call button (This sounds one high/low chime in the cabin)
b. Listen and transmit on CAB
c. The ITM can only pick up a cabin phone at the station called
What happens when you press the EMER pushbutton?
a. Pink light flashes at all area attendant panels
b. EMERGENCY CALL appears on all ITM indication panels
c. High-low chime (repeated 3 times) sounds throughout the cabin loudspeakers
d. ITM can answer on any cabin phone
What happens when the ITM’s initiate an emergency call?
a. The white EMER ON light and amber CALL lights flash
b. The amber ATT lights flash on the ACPs
c. 3 long buzzers sound in the cockpit (inhibited during critical phases of flight)
d. System resets when the attendant hangs up the relevant system
