How to Calibrate Measurements Created 11 May 2017 Author Bluebeam Support Category How-To Videos - Revu 2017 & Below, Revu for Mac, Revu for Mac How-To Videos, Revu for Windows 2017 & Below Applies to: Revu 2017 and older This video shows you how to calibrate a drawing in Revu for more accurate measurements. Videos Revu 2017 & Below Measurement This video shows you how to calibrate a drawing in Revu for more accurate measurements in Revu 2017.