Proface LT3300 - 5.7 All-in-One HMI" - Manual (Page 86)

Chapter 4 Installation and Wiring
4-19
„ Removal
(1) Pull out the USB cover from the USB holder by pressing down the tab on the USB cover.
(2) Insert the tip of a flat-blade screwdriver into the hole on the bottom of the USB holder and raise the
handle so that the USB holder detaches from the USB host interface.
c Press down the tab,
d And pull out the USB cover.
Screwdriver