You can see the decoded teletext pages in this window,
The following keys can be used in the teletext window. The arrow keys navigate between pages, the up and down arrows change the subpage code, the left and right arrow decreases and increases the page number. You can also use the F1-F4 keys to reach the four linked pages (pages that can be accessed by the red, green, yellow, blue button on you remote controller). And of course you can use the number keys (normal numbers and the numeric keypad also) to reach the page you want.