BullTronics MIB IV User Manual page 14

In the second step, select the function button to be learned on the machine,
and let go when a valid number (the number indicates the resistance value of
the button) appears below the button.
File Manager - File Manager Interface
All files in the machine can be viewed and manipulated in the file
manager, and the file directory on the left side of the page is allowed to
be selected. If you need to copy or move a file, just select the file you
want to operate, and a row of operation buttons will appear at the bottom.
Select the file directory to be saved and click the corresponding operation
button.