The Product Manual for Temblor T8 (and T10) can be found on the download support page here: http://www.presonus.com/support/downloads/Temblor-Series
Here is a direct link to the Temblor T8 Manual.
==================================================================
Please contact PreSonus Technical Support by creating a Support Ticket at My.PreSonus.com for further assistance.
>How to create a support ticket<