Hello Fred,
I am presuming that you are on EasyBlog 5? The truncation settings relies on the menu settings now and you just need to edit the menu settings and locate this,
http://screencast.com/t/puThrXXj
By the way, it looks like your subscription has expired and in order for you to continue requesting for support, you will need an active subscription. If you have already renewed, please let us know so that we can correct this for your account.
Thank you for understanding.