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12. MAINTENANCE & TROUBLESHOOTING................................................ 12-1
12.1 Maintenance............................................................................................................ 12-1
12.2 Replacement of Fuse...............................................................................................12-2
12.3 Replacement of Battery........................................................................................... 12-2
12.4 Trackball Maintenance............................................................................................. 12-3
12.5 Simple Troubleshooting...........................................................................................12-4
12.6 Diagnostics..............................................................................................................12-6
12.6.1 Memory I/O test............................................................................................. 12-6
12.6.2 Keyboard test................................................................................................ 12-8
12.6.3 Test pattern................................................................................................... 12-9
12.7 Clearing the Working Memory................................................................................12-10
12.8 Cold Start.............................................................................................................. 12-11
MENU TREE....................................................................................................AP-1
WORLD TIME CHART.................................................................................... AP-7
GEODETIC CHART LIST ...............................................................................AP-8
ICONS .............................................................................................................AP-9
WHAT IS WAAS?..........................................................................................AP-10
SPECIFICATIONS........................................................................................... SP-1
INDEX............................................................................................................... IN-1