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 front 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,
gently push it into the sockets of the accessory coldshoe as shown: