1+_____________________________________________________________________
 ] AUTHOR:            ]                             ] DR:              ]
 ] C.E.ORTIZ-LONGO    ]    PASS PROGRAM NOTE        ]      14474       ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE: JULY 1987  ]
 ] IBM/282-8551       ]      RELEASE NOTE( )        ] REV C: 04/07/93  ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ] REL 19 AND SUBS               ]  CREW (X)  GROUND (X)  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]        MAJOR SOFTWARE AREA:       ] OPS MODES AFFECTED:             ]
 ]SSW (X)  GNC (X)  VU (X)  SM/PL (X)] G9, S2, S4, PL9                 ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA:  DEU, SPEC                                       ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS: SSPC                                           ]
 ]_____________________________________________________________________]
 ] TITLE:                                                              ]
 ] DEMAND UPDATE DATA FLASH                                            ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ]                                                                     ]
 ] DISPLAYS WHICH HAVE "ON DEMAND" DATA (ONE TIME UPDATE ONLY WHEN     ]
 ] CHANGED - I.E., RATE 6) THAT EXCEEDS THE BUFFER SIZE FOR A SINGLE   ]
 ] I/O TO THE DEU ARE BROKEN INTO TWO PARTS. AN OUTPUT DIFFERENCE OR   ]
 ] FLASH MAY BE SEEN IN THE SECOND PART AS IT IS MOMENTARILY BLANKED   ]
 ] WHEN THE FIRST PART IS OUTPUT.                                      ]
 ]                                                                     ]
 ] CURRENTLY THREE DISPLAYS EXHIBIT THIS CONDITION:                    ]
 ]                                                                     ]
 ] A. TCS CONTROL (SPEC 105) - WHEN 10 OR MORE MESSAGES ARE DISPLAYED, ]
 ]    MESSAGES 10 THROUGH 15 WILL FLASH WHEN NEW MESSAGES ARE ADDED.   ]
 ]                                                                     ]
 ] B. MASS MEMORY R/W (SPEC 85 AND PL OPS 901) STATUS INFORMATION      ]
 ]    MAY FLASH AT MASS MEMORY R/W OPERATION COMPLETIONS.              ]
 ]                                                                     ]
 ] C. PL BAY DOORS (SM OPS 202) DISPLAY ITEM ENTRIES MAY CAUSE THE     ]
 ]    STATUS FEEDBACKS OF OTHER ITEM ENTRIES TO FLICKER.  FLICKERING   ]
 ]    MAY OR MAY NOT BE PERCEPTIBLE TO USERS OF THE DISPLAY.           ]
 ]                                                                     ]
 ] (ALSO REFERENCE DR106934)                                           ]
 ]_____________________________________________________________________]
 ]USER RESPONSE:                                                       ]
 ]                                                                     ]
 ]   NONE.                                                             ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]IBM:   JEAN L. ZOPHY      DATE 05/20/93]                             ]
 ]    --------------------      ---------]                             ]
 ]FDSD:    W. R. PRUETT     DATE 06/01/93]                             ]
 ]     -------------------      ---------] DARRELL E. STAMPER 06/14/93 ]
 ]PF MGR: ERIC C. BINGHAM   DATE 05/20/93]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_______________________________________]_____________________________]
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