Knowledgebase
What if the 'Calibrate' button is grayed out?
Posted by Larisa Bolli on 21 July 2009 10:50 AM
The 'Calibrate' button is grayed out if there is no sensor selected. Please open the "Preferences" dialog from the Spyder2express/Spyder2/Spyder2PRO menu and select "Monitor Spyder USB" in the Sensor menu.

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