1.

Call up a screen with adjustable parameters. For example:
 

2.

Using the   and   keys, move the dashed cursor to mark the parameter that you want to change.

3.

Press the   key to select the parameter for editing.

4.

Now there are three ways to change the value:
a) For numbers, a numerical keyboard appears.
b) For text entries, a text keyboard appears.
c) For lists, the line of the cursor becomes continuous. You can then use the   and   keys to set the desired value.

5.

Press the   key to adopt the value.