COCKPIT DOOR CONTROL

LOCK PUSH BUTTON (GUARDED)

• Controls the cockpit doors power supply.

• Activates and deactivates the electromechanical door latch.

• Resets the DING-DONG alarm and EMERG ENTRY command.

• Resets the green LED on the door’s control panel in the passenger cabin.

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INHIB PUSH BUTTON

• Inhibits the EMERG ENTRY command from cockpit door control panel in the passenger cabin for 500 seconds.

• Lights up the red LED in the passenger cabin control panel.

• The cockpit door opens if the INHIB push button is not pressed up to 30 seconds after the EMERG ENTRY push button on the passenger cabin control panel is pressed.

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UNLOCKED INDICATION

• Turns on when door is unlocked.

• Starts flashing when the EMERG ENTRY pushbutton on the passenger cabin control panel is pressed.

• Turns off when the INHIB pushbutton is pressed.

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TEST BUTTON

• Continually tests the DING-DONG alarm while the test button is pressed, regardless of audio selection.

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SYSTEM LOGIC

• Press and holding the cabin EMER ENTRY push button for a short time starts the cockpit chime alarm sequence.