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    Detail of one of the labels on the Command Module hatch.  It reads
     
    
    
     
 
    
    
    
    CABIN DEPRESS - EVT
     
    
    
     
    - SIDE HATCH DUMP vlv - OPEN
 
	O2 FLOW HI LT May Come On 
	Prior To CABIN PRESS REG LOCK UP 
    - At 3.25 psia, SIDE HATCH DUMP vlv - CLOSE
 
    - O2 FLOW ind - LESS THAN 0.5 LB/HR
 
    - CABIN PRESS 3.25 psia
 
    - SUIT CKT PRESS STABLE 3.5-4.0 PSIA
 
    - SIDE HATCH DUMP vlv - OPEN
 
    - CABIN PRESS ind - 0
 
    - Verify SUIT CKT PRESS STABLE 3.5-4.0 PSIA
 
    - Verify O2 FLOW HI Lt - OFF
 
     
    
    
    
       
    
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