No.The ergonomic operating space (the transverse diameter is up to 16.9'') allows simple operation. Besides, anyone can operate easily and efficiently with the foot pedal control.
Hi, I purchased this a week ago but I couldn't figure out how to give pressure to 4kg/f. I used that pedal switch but it didn't give anything. The pressure gauze always showed 0 kg/f. can I get a complete video guideline of this?