 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] DR:              ]
 ] D. WHITE           ]    PASS PROGRAM NOTE        ]     14442        ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE: 03/27/80   ]
 ] DEV/282-7826       ]      RELEASE NOTE( )        ] REV C:09/14/89   ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ] REL 19 AND SUBS               ]  CREW (X)  GROUND ( )  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]        MAJOR SOFTWARE AREA:       ] OPS MODES AFFECTED:             ]
 ]SSW ( )  GNC (X)  VU ( )  SM/PL ( )] G3, G6                          ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA:  DISP (SPEC), SEQ                                ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS: 5.21, 4.161                                    ]
 ]_____________________________________________________________________]
 ] TITLE:                                                              ]
 ] VENT DOOR CONTROL OPEN/CLOSE REQUESTS                               ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ] WHEN A VENT DOOR 'OPEN' OR 'CLOSE' REQUEST IS ENTERED VIA THE       ]
 ] OVERRIDE DISPLAY (ITEM 43 OR 44, RESPECTIVELY, ON SPEC 51)          ]
 ] PRIOR TO THE COMPLETION OF A PREVIOUS VENT DOOR COMMAND, THE        ]
 ] REQUEST IS IGNORED AND THE COMMAND IN PROGRESS WILL BE PROCESSED    ]
 ] AGAIN.                                                              ]
 ]                                                                     ]
 ] THIS DOUBLE PROCESSING IS NOT IMMEDIATELY APPARENT TO THE CREW,     ]
 ] SINCE THE DISPLAYED ASTERISK MOVES TO THE ITEM REQUESTED WHEN THE   ]
 ] REQUEST IS MADE.  THE ASTERISK WILL REFLECT THE TRUE STATE OF THE   ]
 ] VENT DOORS ONLY AFTER THE DOUBLE PROCESSING IS COMPLETE.            ]
 ]                                                                     ]
 ] VENT DOOR OPEN AND CLOSE ITEM ENTRIES ARE LEGAL IN MM602, MM603 AND ]
 ] OPS 3, ONLY.                                                        ]
 ]                                                                     ]
 ]             - CONTINUED ON SUPPLEMENT PAGE -                        ]
 ]_____________________________________________________________________]
 ] USER RESPONSE:                                                      ]
 ] ALLOW SUFFICIENT TIME FOR THE SOFTWARE TO PROCESS VENT DOOR         ]
 ] COMMAND REQUESTS (SEE TABLE ABOVE).                                 ]
 ]                                                                     ]
 ] IF A SECOND REQUEST IS ENTERED BEFORE THE FIRST IS COMPLETE,        ]
 ] THEN TWICE AS MUCH TIME SHOULD BE ALLOWED SINCE THE FIRST REQUEST   ]
 ] WILL BE EXECUTED AGAIN.                                             ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]IBM: WYATT COOPER         DATE 09/26/89]                             ]
 ]    --------------------      ---------]                             ]
 ]SSD: SAM ANKNEY           DATE 09/27/89]                             ]
 ]    --------------------      ---------] M.C. GREMILLION    10/04/89 ]
 ]PF MGR:GEORGE BULL, JR.   DATE 10/03/89]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]       JAMES M. RAINEY    DATE 10/03/89]------------------- -------- ]
 ]       -----------------      ---------]                             ]
 ]_______________________________________]_____________________________]
 @



 +_____________________________________________________________________
 ]                                                                     ]
 ]                       SUPPLEMENTAL SHEET                            ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] AUTHOR:            ]                             ] DR:              ]
 ] D. WHITE           ]    PASS PROGRAM NOTE        ]     14442        ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE: 03/27/80   ]
 ] DEV/282-7826       ]      RELEASE NOTE( )        ] REV C:09/14/89   ]
 ]____________________]_____________________________]__________________]
 ] TITLE:                                                              ]
 ] VENT DOOR CONTROL OPEN/CLOSE REQUESTS                               ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ]                                                                     ]
 ] THE ORIGINAL VENT DOOR COMMAND IN PROGRESS MAY HAVE BEEN REQUESTED  ]
 ] AUTOMATICALLY OR VIA ITEM ENTRY.                                    ]
 ]                                                                     ]
 ] ------------------------------------------------------------------- ]
 ]                                                                     ]
 ] FLIGHT PHASE                     MINIMUM TIME BETWEEN REQUESTS      ]
 ] ------------------------------------------------------------------- ]
 ] MM602, MM603, OPS 3              13 SEC* = {6 (V97U9859C) + 10} SEC ]
 ]                                                                     ]
 ] * V97U9859C = .48 SEC.                                              ]
 ]   V97U9859C IS AN I-LOAD IN G1 AND G3.  IN G1, THE I-LOAD VALUE IS  ]
 ]   OVERLAID BY A HARD-CODED VALUE OF .48 SEC IN MM602.  IN G3, THE   ]
 ]   CURRENT I-LOAD VALUE IS .48 SEC AND IS NOT OVERLAID.              ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]USER RESPONSE:                                                       ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 @


