Trust Ingenico MOVE 5000 Tips
To toggle tips on, from the main menu press the icon with the dots in the bottom-right hand corner of the screen.

Select Settings.
.jpg?width=190&height=303&name=rtaImage%20(2).jpg)
Select Tip Entry - (note that you may need to press the down arrow on screen for the option to appear)..jpg?width=201&height=353&name=rtaImage%20(16).jpg)
Select On.
When processing a sale the terminal will then ask if you would like to enter a tip. Red button for no, or green button for yes.