I have just purchased a YS-01 after my old YS 25 conked out. It has a TTL function which have not figured how to use yet.

I usually use this strobe with my Canon G 10 housed in a WP-DC28 Canon u/w housing and connected to the strobe via a fibre-optic cable.

Anybody has a similar set-up or has configure the set-up to use the TTL function sucessfully ?

Appreciate any advice.