Follow these instructions of watch video below to learn how to reduce parallax by calibrating your Cintiq:
On a Mac:
- Go to apple Menu
- Select System Preferences
- Click Wacom Tablet
In Windows:
- Go to Start Menu
- Select Programs
- Click Wacom Tablet
- Click Wacom Tablet Properties
Then:
- Select Grip Pen
- Click Calibration tab
- Be sure the monitor dialog reads "Cintiq 21"
- Click Calibrate Button
Once you've click Calibrate, the screen will go blank with a cross hair in the upper left corner. Touch the pen to where the crosshair appears to be while you are in your most common working position, so that the screen is calibrated to appear in sync with your pen from your working position.