Datacolor CHECK II Quick Start Manual page 19

3.
4.
CHECK II Quick Start Guide
Turn the switch to the position that matches the stapler
foot aperture size.
Calibrate the instrument. Following calibration, the
aperture icon on the PDA screen should match the switch
position on the back of the unit, and the aperture
identification on the stapler foot assembly.
Aperture Setting
NOTE
When you change the aperture selection, the aperture
icon on the display is not updated until you make a
measurement.
Small Area View
Large Area View
Ultra-Small Area View
Stapler Foot and Aperture Selection  15