UROVO DT50S User Manual page 45

a) Slide a certain option in the list to the left to reset the key to the
default settings and clear the key's mapping value;
b) Touch the menu key or settings icon at the top right corner
reset the value of each remapped key and restore the default
value of each physical key.
Figure 2- 36 Show key remapping list
Figure 2- 37 Key Remapping Deleting
to
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