Pepperl+Fuchs Ecom Tab-Ex Pro D2 Safety Instructions page 13

Be careful not to damage your fingernails when you remove the back cover.
Do not bend or twist the back cover excessively. Doing so may damage the cover.
Remove the back cover carefully in the direction of the arrow in the image.
2
Insert the battery with the battery's gold-coloured contacts properly aligned with
the device's contacts.
3
Replace the back cover.
Press
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