Customizations are optional. These settings may be changed any time without risk to your data.
Step One
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Touch on the Settings button from the Home screen. Next, touch Customization.
Step Two
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Touch Plans (as shown at 
in the image).
Step Three
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Toggle on Allow Multiple Instances if you plan on having multiple instances running simultaneously. If this is toggled off, a plan must first finish running before a new instance can be started.
You may also choose when a plan finishes. You can choose when it passes, when there is a pass or caution result, or when there is a pass, caution and fail result.