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To set up User Preferences, you have to:

1) Click on “Archive”

2) Select “Preferences“.


GENERAL OPTIONS:
General Options Panel, allows to define general view options. Thanks to it, it is possible to set:

OptionDescription
Units of measure and increments
Units of Measureunit of measure used in the Plan. It can be set to millimeters (mm), Inches or Points (Pts)
Keyboard increment 
Grid snap area 
Issue modification check
Enable Modification Checkit enables a check for all the modifications made in the Plan. Each modification will be notified: a notification will be displayed in the notification area at the bottom of the Plan
Check Intervalthis option allows the user to select the interval between checks for modifications in the Plan (in seconds)