Question

I can not find the option to delete a SD Card Capture Session. There is only NEW, LOAD and SAVE session.

Answer 1

There is no option in the mixer(s) and UC Surface. You need a "SD Card Formatter". More information here: https://support.presonus.com/hc/en-us/articles/115000236783-What-utility-should-I-use-to-format-my-SD-Card-.