 +_____________________________________________________________________
  AUTHOR:                                          SMS:B20057       
  C. SIMEROTH            BFS PROGRAM NOTE          DR:106243        
 ____________________                             __________________
  ORG/PHONE:          OPS NOTE (X)  USER NOTE ( )  DATE:            
 RID(310) 922-3701         RELEASE NOTE ( )          1/22/92        
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  OI/FLIGHT EFFECTIVITY:          USER AFFECTED:                     
   OI-22 & SUBS                   CREW (X)  GROUND ( )  DUMP ONLY ( )
 ____________________________________________________________________
            MAJOR SOFTWARE AREA:             OPS MODES AFFECTED:     
 BSL( ) BSS(X) GNC(X) SEQ( ) SM/SP( ) IPL( )       1                 
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  SOFTWARE SUB-AREA: NAV, GUID, DISP                                  
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  PRINCIPAL FUNCTIONS: STS83-0020 / 4.2.17 ASCENT TRAJECTORY 2 DISPLAY
 _____________________________________________________________________
  TITLE:                                                              
       VARIABLES UNINITIALIZED AT TAL DECLARATION                     
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  DESCRIPTION:                                                        
   WHEN A TAL ABORT IS DECLARED, THE TAL VELOCITY INDICATOR ON THE    
   ASCENT TRAJ 2 DISPLAY, WHICH IS DRIVEN BY GN&C, MAY JUMP FROM THE  
   LEFT TO THE RIGHT FOR UP TO TWO SECONDS. AFTER TWO SECONDS, THE    
   INDICATOR WILL BE CORRECTLY POSITIONED.                            
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
 _____________________________________________________________________
  USER RESPONSE:                                                      
                                                                      
   THE CREW SHOULD BE AWARE THAT THE INDICATOR MAY JUMP FROM LEFT TO  
   RIGHT FOR UP TO TWO SECONDS AND SUBSEQUENTLY WORK AS EXPECTED.     
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
 _____________________________________________________________________
 CONCURRENCE:                           APPROVAL:                    
 RI: <S> J. AGRES          DATE 06/29/92                             
     --------------------      ---------                             
 FDSD:   W. R. PRUETT      DATE 07/08/92                             
      -------------------      --------- DARRELL E. STAMPER 07/21/92 
 PF MGR:JEFFERSON D.POWELL DATE 07/21/92------------------- -------- 
        -----------------      --------- CHAIRMAN, SASCB      DATE   
 _____________________________________________________________________
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