Preflight Flows

Question 1

How do you test the oxygen masks L/R

Answer 1

1. Set the oxygen mask knob to 100%
2. Press and hold the PRESS TO TEST AND RESET button
3. Verify a FLOW indicator breifly illuminates or blinks
4. Verify audible oxygen flow in headset or loudspeaker
5. once the mask is fully pressurized verify FLOW indicator extinguishes, indicating system is free of leaks
6. Release the PRESS TO TEST AND RESET button

Question 2

What 8 things happen when you hit the fire protection test