from main screen showing sale refund void

push green enter

selest f2 for setup

password 1alpha alpha 66831 enter

press more, far left purple

select terminal by pressing f1

press f2 2x

tip processing option will be set for on, no prompt (or change from off to on if merchant requests 

press f3 to edit

then f2 until says on prompt

then f3 to select

f4 to exit.

f2 to save changes.

Check for open batch.