Can one adjust the length of the dashes in cresc. continuation lines?

Can one adjust the length of the dashes in cresc. continuation lines? The default provision does not look much different from the dotted version, and I would like to be able to use a dash at least twice as long.
Thanks,
David

Yes. Engraving Options:

*%$=)~!!!
I looked there and didnt find it! (This is more difficult than playing Adventure (Colossal Cave)

Many thanks, Leo!

David