 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] DR:              ]
 ] C. FLETCHER        ]    PASS PROGRAM NOTE        ]     37519        ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE: AUG. 1987  ]
 ] ENG/282-7333       ]      RELEASE NOTE( )        ]                  ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ] REL 18 AND SUBS               ]  CREW (X)  GROUND (X)  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]        MAJOR SOFTWARE AREA:       ] OPS MODES AFFECTED:             ]
 ]SSW ( )  GNC (X)  VU ( )  SM/PL ( )] G1, G2, G3, G6, G8              ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA:  ADI, SWITCHES                                   ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS: 4.180, 4.97, 4.103, 4.226                      ]
 ]_____________________________________________________________________]
 ] TITLE:                                                              ]
 ] ATT_REF PUSH BUTTON HOLD                                            ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ]                                                                     ]
 ] WHENEVER THE ATT_REF BUTTON IS PRESSED TO UPDATE THE ADI REF        ]
 ] REFERENCE, THE BUTTON MUST BE HELD FOR 320 MSEC TO ASSURE IT IS     ]
 ] RECOGNIZED BY THE ATT_PROC'S. THIS IS BECAUSE THE ADI PROCESSING    ]
 ] RATE IN BOTH THE A/E AND THE ORBIT ATT_PROC'S ARE 3.125 HZ, AND,    ]
 ] THEREFORE, THE OUTPUT OF SWITCH PROCESSOR RM IS READ AT THIS RATE   ]
 ] BY THE ATT_PROC'S.                                                  ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] USER RESPONSE:                                                      ]
 ]                                                                     ]
 ] HOLD ATT_REF PBI IN AT LEAST 320 MSEC TO ASSURE PROPER RESPONSE BY  ]
 ] ATTITUDE PROCESSOR.                                                 ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]IBM: WYATT COOPER         DATE 7/28/88 ]                             ]
 ]    --------------------      ---------]                             ]
 ]SSD: SAM ANKNEY           DATE 7/28/88 ]                             ]
 ]    --------------------      ---------] RW MOOREHEAD        7/30/88 ]
 ]PF MGR: MOISES MONTEZ     DATE 7/29/88 ]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_______________________________________]_____________________________]
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