747 Pressurization
by jerome meriweather

Up to Oxygen
Left to Cargo Fire
Down to Air Conditioning

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LDG ALT Switch Landing Altitude Control Outflow Valve Position Indicators Outflow Valve Manual Switches Outflow Valves OPEN/CLOSE Switch Cabin Altitude AUTO Select
747 Photo and/or Graphic Element



Cabin Altitude AUTO Select
Outflow Valves OPEN/CLOSE Switch
Controls position of Outflow valve in manual mode.
Outflow Valve Manual Switches
Outflow Valve Position Indicators
Indicates position of outflow valve.
Landing Altitude Control
When in MAN, rotating sets Landing Altitude.
LDG ALT Switch
Turn on controlled Anti-Ice and defogging heat to the associated window.