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CNS Clock and Tac32 CNS Systems, Inc. .. .. .. . Table of Contents Table of Contents ................................................................................................................ i Revision History......................................................................................................................... v Introduction........................................................................................................................ 1 Features ...................................................................................................................................... 1 Hardware Overview............................................................................................................ 2 Features ...................................................................................................................................... 2 External Interfaces .................................................................................................................... 3 Tac32 Software Overview .................................................................................................. 4 Overview ..................................................................................................................................... 4 Main Screen................................................................................................................................ 5 Main Screen Details ............................................................................................................................... 6 Data Logging .............................................................................................................................. 8 Set the PC Clock ........................................................................................................................ 9 Set Reference Location.............................................................................................................. 9 Timing Setup .............................................................................................................................. 9 Coax Delay Calculator............................................................................................................. 10 Averaging Parameters............................................................................................................. 10 GPS Mode Selection................................................................................................................. 10 Getting Started.................................................................................................................. 12 Hardware.................................................................................................................................. 12 Tac32 Software......................................................................................................................... 13 Software Installation............................................................................................................................. 13 Internet Software Installation ............................................................................................................... 14 Trying Your CNS Clock....................................................................................................................... 14 Improving the Reference Position ........................................................................................................ 15 Getting a Still Better Reference Position.............................................................................................. 15 Using the CNS Clock for Timing ......................................................................................................... 16 Timing Offsets...................................................................................................................................... 16 Getting Help ......................................................................................................................................... 17 Installation Notes ..................................................................................................................... 17 The Antenna and Its Installation........................................................................................................... 17 Tac32 Software Commands ............................................................................................. 19 File Menu.................................................................................................................................. 19 i © 1998-2006 CNS Systems, Inc.