Glad to be of help 🙂
Re the buttons, the thing to remember is that the pump itself only has 4 buttons, so when you are operating the pump via the handset (i.e. anything you do after selecting Pump from the menu, until you exit again) the pump will only recognise 4 buttons in the handset. These are the four around the circle in the middle, top and bottom are the up and down buttons, the left becomes the menu button and the right becomes the tick button. Then once you have exited from the pump and are just in the handset menus, all the other buttons come into play again.
We are lucky in that the school has so far always been very supportive with anything to do with the D, they are all quite fascinated with the pump and I think in general people think that a quick blood test followed by pushing a few buttons is much better than having to stick needles in her! I always send a post-it note with that day's carb count on it with her test kit so nobody has to do any calculations, easy peasy. Although it does cause a bit of a panic if any alarms go off (occlusion, low cartridge etc) but luckily this doesn't happen very often!