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.
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.
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.
TEST BUTTON
Continually tests the DING-DONG alarm while the test button is pressed, regardless of audio selection.
SYSTEM LOGIC
Press and holding the cabin EMER ENTRY push button for a short time starts the cockpit chime alarm sequence.
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