pictures. A1 connects to B1, and A2 connects to B2. It cannot plug if connecting A1 to B2.
3.3 Use some power of your hands to plug it. When you plug one well, you can hear the click – the button
springs and it locks. Then you can try to pull the handpiece connector slightly to check whether or not it
locks well. Then hang up the two handpieces onto handpiece holders.
Machine part
Handpiece part
A1
B1
B2
A2
