Resizing PIP?

[sandiego69]

With PiP there is an option to move and also resize the picture. I cannot understand how to resize as it says to use the Bouquet +/- keys. Where are they?

[andyblac]

With PiP there is an option to move and also resize the picture. I cannot understand how to resize as it says to use the Bouquet +/- keys. Where are they?

channel up/down