MSW Motor Technics MSW-DCM-02 Manuel D'utilisation page 16

Control knob:
It is used to turn on/off the device and control the direction of rotation of the spiral.
OFF: stop
FOR: "forward" rotation direction
REV: "reverse" rotation direction
CAUTION! Before connecting the machine to the power supply, check that the control knob is in the OFF position.
Operating the control handle:
Push down on the handle to release the clutch, which will cause the spiral to turn.
Releasing the handle immediately stops the spiral rotation.
CAUTION! The pressing force should not exceed 20 kg, preferable force is sufficient to block the spiral. Do not
use tools to increase the pressure.