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1. Open the “Grid3D.prj” example project. 2. Open the Project Options for this job and review the Adjustment options page. You will see some differences from the adjustment options in the last example project: First, you will note that the Coordinate System is set to “Grid,” and the actual grid system chosen from the dropdown selection list is NAD83. Other selections are NAD27, UTM and Custom. (User-defined and international grids come under the category of Custom.) The zone currently selected, as indicated on the large selection button, is California Zone 0403. How is a zone selected? Simply press the large selection button to bring up the zone selection dialogue. Give it a try. Here you just select from the list to change zones. Press “Show Parameters” to see the zones parameters. Don’t make a new selection now – just press OK to exit. 19