Note:Hold on the switch for about 3 seconds after power-on then release it, the fixture will automatically moving from the right to the left.Suggestion:After the machine has been clamped, do not rest the machine on the blade before starting the machine. Wait until the blade rotates at high speed and then gently lean on it. If it hits it, it is easy to put the blade. If the embryo is placed on the blade before the motor is turned on, it is easy to get the motor stuck and it will burn the motor after a long time.