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BLEED OFF The L, R, and APU BLEEDs are OFF DITCHING ON The DITCHING switch/indicator has been selected ON. This closes the flow control valves and commands the outflow valve open for 100 seconds or 10 seconds after cabin differential pressure decreases below 1595 psid. The outflow valve then closes EMER DEPRESS ON Emergency depressurization has been selected. Emergency depressurization commands the out-flow valve open, but will attempt to limit the cabin altitude to approximately 15 000 ft MANUAL PRESS ON The MANUAL PRESSURIZATION mode has been selected PACK ONLY The AIR SOURCE switch is in the PACK ONLY position, resulting in all air conditioning bleed air being routed through the PACK RAM AIR ON The RAM AIR switch has been selected ON, providing ram air ventilation XBLEED OPEN The cross bleed valve is open TRIM AIR ONLY The AIR SOURCE switch is in the TRIM AIR ONLY position, resulting in all air conditioning bleed air being routed through the trim air sys-tem. The air will be warm Volume 2 Flight Crew Operating Manual Sep 13/2004 CSP 100-6 REV 1 |