 +_____________________________________________________________________
  AUTHOR:                                          DR:              
  N.N. PARKER           PASS REQUIREMENT WAIVER        105141       
 ____________________                             __________________
  ORG/PHONE:          WAIVER ONLY ( )              DATE: 09/16/91   
  IBM/282-8429        WAIVER/OPS NOTE (X)                           
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  OI/FLIGHT EFFECTIVITY:          USER AFFECTED:                     
  OI-8F THRU OI-22                CREW (X)  GROUND (X)  DUMP ONLY ( )
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         MAJOR SOFTWARE AREA:        OPS MODES AFFECTED:             
 SSW ( )  GNC (X)  VU ( )  SM/PL ( )  G2, G3, G9                     
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  SOFTWARE SUB-AREA: IMU                                              
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  PRINCIPAL FUNCTIONS: V4.11C, 6.26, V5.1.8                           
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  TITLE:                                                              
    TIMER NOT RESET WHEN A REQUEST IS MADE TO MODE AN IMU TO OPERATE  
                                                                      
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  REQUIREMENT TO BE WAIVED:                                           
                                                                      
    REQUIREMENT TO RESET THE IMU 'ELAPSED TIME SINCE MOST RECENT      
    OPERATE REQUEST' EVERY TIME A NEW OPERATE REQUEST IS PROCESSED.   
                                                                      
    "... IF THE OPERATE MODE HAS BEEN REQUESTED FOR GREATER THAN      
     T_OP_LIMIT (ELAPSED TIME SINCE MOST RECENT OPERATE REQUEST)      
     SECONDS,..."                                                     
                                                                      
                                                                      
                                                                      
 _____________________________________________________________________
 REQUIREMENTS DOC:                    PARAGRAPH AND/OR SECTION NO:   
                                                                     
        STS83-0013                     SECTION 4.5.3.1.C.1           
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 ALTERNATE REQUIREMENT BEING MET, IF APPLICABLE:                      
                                                                      
   NONE                                                               
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
                                                                      
 _____________________________________________________________________
 CONCURRENCE:                           APPROVAL:                    
 IBM: PATTI A. THORNTON    DATE 11/05/91                             
     --------------------      ---------                             
 FDSD:  W. R. PRUETT       DATE 11/05/91                             
      -------------------      --------- DARRELL E. STAMPER  11/06/91
 PF MGR: JOSEPH THIBODEAU  DATE 11/06/91------------------- -------- 
        -----------------      --------- CHAIRMAN, SASCB      DATE   
 PF6.26: MICHAEL J. JONES  DATE 11/06/91                             
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