Olympus PT-047 Mode D'emploi page 43

Using the fiber cable adapter
The fiber cable adapter is required when connecting the separately
available UFL-1 underwater flash to the Case using an underwater optical
fiber cable (optional: PTCB-E02).
How to install
1 Remove the white diffuser while pulling it up, then attach the optical
fiber cable adapter to the diffuser shown in the figure below.
2 Put the underwater optical fiber cable (optional: PTCB-E02) plug all
the way into the optical fiber cable insertion slot.
Remove the underwater optical fiber cable and attach the white diffuser
when you do not use it while taking picture.
En
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