Configuration means completing steps completed whenever a software package is mounted before a course is run or actions which are done. An in-use icon indicates that you can modify the computer configuration, but you cannot delete it until the configuration is no longer in use by a capacity model.

If you modify a configuration that is in-use by a capacity model, the hardware configuration change you make is applied to the corresponding item used in the capacity model.  For Example, several applications possess a configuration file that support setup a course or initialize equipment and the necessary application required for it to operate.

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Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born scientist, inventor, engineer, and innovator who is credited with patenting the first practical telephone.