This is not according to the ruling of our (FWD's) Rav, Rabbi M.M.
Weissmandl of Nitra, Monsey. He paskens: No shinui is needed when pressing
buttons with pump on Shabbos. One should use pump on Shabbos as usual.

----- Original Message -----
From: "Yehudit" <pizzapies@...>
>>> I also spoke with my Rav, who basically had said that it's better if I
>>> don't look at
> the screen, because I would be using it directly to be doing a melacha. I
> guess, if I use a shinui and use the buttons without looking at the
> screen, then
> I guess it is much more indirect.>>>>>>