10
1.
After verifying that the housing O-ring is in good condition, lightly
coat it with the lubricant provided.
2.
Make sure the O-ring groove located in the rear part of the housing
is free from any foreign material; the groove can be cleaned with
the aid of a microfiber cloth.
3.
Place the O-ring into the groove.
4.
To install the optical fibre mount for external strobe connection,
fasten it with the screws provided to the threaded sockets of the
accessory coldshoe as shown: