Pfaff 2170 - Manual (Page 21)

2:3
Pr
epar
ations
Main switch
When the main switch is switched on (switch function I) the sewing
lightbulb lights up and the multi-color touch screen lights up.
The sewing machine is now ready to function.
"0" = OFF
"I" = ON
Thread cutter
Pull the thread from the back to the front up over the thread cutter.
Contrast of the screen
The contrast of the screen is adjustable. The setting can be re-adjusted
with the screen control dial (A).
A