 +_____________________________________________________________________
  AUTHOR:                 RECONFIGURATION          DR: 107123       
  E. ROSS                   PROGRAM NOTE                            
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  ORG/PHONE:          OPS NOTE ( )  USER NOTE (X)  DATE: 03/17/93   
  RSOC/4837368             RELEASE NOTE( )                          
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  OI/FLIGHT EFFECTIVITY: OI22:    USER AFFECTED:                     
  STS-57 & SUBS (SPACEHAB FLTS.)  CREW (X)  GROUND (X)  DUMP ONLY ( )
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  MAJOR SOFTWARE AREA:    PASS(X) BFS( ) OPS MODES AFFECTED:         
  SSME**( ) DEU**( ) T&G( ) DFL/FPL**( )   S2                        
  TFL**( ) TCS**( ) I-LOAD( ) LEVEL C(X)                             
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  SOFTWARE SUB-AREA:  SPEC, PAYLOADS, UPLINK                          
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  PRINCIPAL FUNCTIONS:                                                
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  TITLE:  SPEC 215 INDICATES SAFE AFTER FSS ARM AND DISCHARGE SEQUENCE
          OF COMMANDS                                                 
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  DESCRIPTION:                                                        
                                                                      
  THE FSS SAFE/ARM INDICATION ON SPEC 215 AND SPEC 206 READS SAFE FOL-
  LOWING THE ARM AND DISCHARGE SEQUENCE OF COMMANDS  REGARDLESS OF    
  THE COMMAND SOURCE.  THE FIRE SUPPRESSION SYSTEM WILL INDICATE A    
  SAFE STATUS EVENTHOUGH THE HALON BOTTLES HAVE BEEN FIRED.  IN ADDIT-
  ION, IN THE COMMANDING SEQUENCE PREVIOUSLY MENTIONED, THE SAFE      
  COMMAND HAS NOT BEEN ISSUED.  IF THE SOURCE OF THE ARM COMMAND IS   
  FROM SPEC 215 VIA THE MDM, THE MDM OUTPUT LEVEL (DOH) REMAINS IN THE
  HIGH STATE (OR THE ARMED STATE) BUT THE FLIGHT SOFTWARE INDICATES   
  A SAFE STATUS.  THE SAFE STATUS IS VIA THE FIRE SUPPRESSION CIRCU-  
  ITRY, NOT THE MDM OUTPUT.                                           
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  USER RESPONSE:                                                      
                                                                      
  THE USER SHOULD BE AWARE THAT WHEN THE FSS HAS BEEN DISCHARGED      
  (WHICH IS DISPLAYED ON SPEC 215 AND SPEC 206), THE FSS ARM/SAFE     
  INDICATIONS ON SPEC 215 AND 206 SHOULD BE IGNORED SINCE THESE       
  INDICATIONS DO NOT REFLECT THE ACTUAL COMMANDED STATE OF THE SYSTEM.
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 CONCURRENCE:                           APPROVAL:                    
 RSOC:   B. CONTRERAS      DATE 04/27/93                             
      -------------------      ---------                             
 MOD:   WANDA L PRICE      DATE 04/27/93                             
     --------------------      --------- DARRELL E. STAMPER 04/28/93 
 SW MGR:  CHARLES STOUGH   DATE 04/27/93------------------- -------- 
        -----------------      --------- CHAIRMAN, SASCB      DATE   
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