Steren HER-205 Manual De Instrucciones página 14

4
Insert the piece(s)
that you need.
6
If you want to remove the piece(s), press the release button and at the same time
turn the lock to the right. You will hear a click; This means that you can remove the
piece.
5
5
Press the release button and at the same time turn
the lock to the left.
When you feel that the lock is no longer turning, release the button. The
piece will remain fixed.