X-Rite i1Display Pro Plus - Device Overview and Operation; Device Overview; Ambient Diffuser Arm Usage

After you have completed the software installation process, attach the device to your computer’s USB port.
Overview 1
1. Ambient Diffuser Arm.
2. Ambient Diffuser
Overview 2
Ambient diffuser arm snaps into place over measurement optics. Be sure to lift up on the ambient diffuser arm before attempting to rotate into different measurement positions.
Overview 3