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length shall be programsable increments. At least 6 numbered <br />offsets and 5 numbered splits shall be available. Additionally, in <br />the Timing Pattern Routine, it shall be possibly to designate the <br />intersections which are to be assigned to subsystem by particular <br />Timing Pattern. It shall also be possible to place any <br />intersection in flash while this Timing Pattern is in effect. <br />(6) Seed Calculation Routines. The computer and/or surveillance <br />assem es s a e capa a of computing speed by the distance/time <br />method. One or two detectors may be utilized and spaced the <br />effective distance to be programmed. <br />The time between speed calculations shall be programmable by the <br />operator i n a range from 1 minute to 20 minutes i n l minute <br />increments. It shall be possible to obtain an automatic speed <br />calculation printout at the time of each calculation. <br />(7) System Display Routine. Results of subsystem calculations shall be <br />ist at t a copy printer and remote terminals. The master <br />computer shall enable the terminals to print the pattern number, <br />cycle length, offset, and split assigned to each subsystem. The <br />subsystem status shall be followed by a listing of the volume and <br />occupancy percentage for outputs of each Calculation Routine. <br />There shall be at least 5 options for displaying each subsystem. <br />These are: <br />a. Display Immediate -- The parameters shall immediately be <br />displayed when requested by the operator. The information so <br />displayed will reflect results of the last calculation. <br />b. Display Automatic -- A listing shall be enabled whenever there <br />is a change pattern number. <br />c. Display Pattern -- Same as display automatic except that the <br />individual detector data and percentage results of Calculation <br />Routines shall not be displayed. <br />d. Display None -- No display desired. <br />e. Display Timed -- A listing shall be enabled whenever there is a <br />calculation made or automatically at one minute intervals, <br />whichever occurs first. <br />Additional automatic routines, not programmable by the operator, shall <br />be provided as follows: <br />(1) Standby and Failure Routines. These routines shall automatically <br />prove e e o owing: <br />a. Orderly shutdown of the master control center in the event of <br />power failure. <br />b. Diagnostic monitoring of the computer system operation and <br />initiation of a master control shutdown if computer system <br />malfunction is detected. <br />-11- <br />