Neilsen CT0957 Original Instructions Manual page 11

Never use the spindle lock to stop the motor.
8.2 Marking the workpieces.
Before starling with the biscuit jointer the work pieces must be marked as
following:

Place the two work pieces which must be connected, on top of each
other.

Fasten the work pieces and mark the center of the groove.
The space between two grooves should be 10-15cm. This is not applicable for
smaller workpieces- smaller work pieces don't have to be marked.
8.3 Positioning of the machine
Based on the size of the work pieces the machine can be positioned in several
ways.
8.4 Large workpieces

Place the machine near the work piece

The middle of the base plate (this point is marked on the base plate) must
face the center of the groove in the work piece, {see marking the work
piece).
8.5 Small workpieces.

Place the machine near the work piece

The side of the machine must be lacing the side of the work piece.
8.6 Sawing grooves

Move the motor base backward.

Place the machine near the work piece.

Position the machine (see positioning of the machine)

Hold the machine with both hands and switch the machine on.

Push the motor base carefully forward as far as possible.

Move the motor base backward and switch the machine off.