How to use this module
The navigation buttons appear at the bottom of the screen. 
The Continue button moves the module on to the next page.
This 'Eject' button exits the current section and returns to the
module menu.
The Back button allows you to step back to review the
previous page(s). You can also step forward using the
Forward button, but you should normally use Continue so
as not to miss any pages.
A question mark appears when there is a linked 'look-up' or
reference page. Click the ? to open this page. It has a 'Return'
button to close it and continue the main sequence.