Olympus PT-047 Mode D'emploi page 46

Open the Case
1 Slide and hold the slide lock towards the arrow direction (1 of figure below)
and turn the open/close dial counter clockwise (2 of figure below).
2 Turn the open/close dial to the position where it cannot be turned further.
En
3 Open the rear lid of the Case gently.
Open/close dial
CAUTION:
Do not exert too much force while turning the open/close dial. Doing so may
damage the dial.
EN 16
1
Slide lock
2
Open