Wacom Cintiq 24HD Touch Interactive Monitors enable presenters to write on the surface of the screen, but only with a pen designed to interact with a specific model.
Note the buttons on the side margins.
This model requires the Wacom Grip Pen - KP501E2.
The Wacom Grip Pen is equipped with a waisted rubberised grip area, two customisable side-switches and a pressure-sensitive eraser.
The Grip Pen is stored in a holster on the back of the screen.
Note the absence of buttons.
This monitor requires the tethered Wacom Pen model UP6710
Note: If a Wacom pen will not write on the monitor screen, call 734-615-0100, or send an online request for help: https://lsa.umich.edu/technology-services/help-support.html