ADCS - ESC function Keys on Miniform Type Selection List

Hi Everybody!

I'm new to the Adcs, Can you please help me to understand how the Esc keyFunction works on a Selection list?

I explain:

When I'm on a selection list Miniform Type, and press the Esc button, I expect to go to the previous Miniform, instead it goes to the First miniform on the list.

Is there a way to change this functionality?

Thanks in Advance!