Bartington PSU1 Operation Manual page 8

Place the PSU1 on a suitable surface with the underside facing up and the two enclosure lid
retaining screws nearest to you.
Using a flat-bladed screwdriver of the appropriate size, fully loosen screw A to allow the edge
of the lid to clear the enclosure end cap.
Fully loosen screw B and the lid of the enclosure will lift due to the internal springs.
BARTINGTON INSTRUMENTS
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