My German is rusty too, but what I think it's actually asking is if you want it to make a sound when you press a button..."Touch noise", or "Key noise".Unit is Powered up, flashing Red (No probes Connected)
Since the unit is constructed in Germany, English is not the default on the display.
Press the Check Mark on the unit to bring up the Menu using the arrow keys scroll down until you Highlight Extra That the easy one it was in English on the Menu
Once in the Extra menu using the arrow keys scroll down until you highlight Language oh wait Sprache hehe and again press the Check Mark
Using the arrow keys scroll down until you highlight Language you wish to have your unit use, and press the check mark
Sorry German is Rusty hehe, but I think this is Are you Sure hehe. Using the arrows click the one to the left to highlight ja and then press the check mark (Mine asked for me to do it twice)
Whooohoo it now in English