3M Dynapro ET 350 Monitor User’s Installation Guide
10.Remove the underlay in stages. The underlay is larger than the opening in the sheet metal retaining frame. You can bend the underlay, but do not tear or crease it.
To loosen the underlay from the glass surface, use a finger and push a corner of the underlay towards the center of the glass. As the underlay buckles and the corner comes into view, pull it up to clear the retaining frame. Repeat at each corner until the underlay is free (Figure 17).
Figure 17: Removing original underlay
11.Remove the custom underlay from its packaging and make sure it is clean. If necessary, clean it with a cleaning solution and cloth designed for cleaning coated optical glass.
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