Taking a reading. To measure the amplitude of a Tuning, the left hand changes the Amplitude knob while the right hand rubs on the Plate until a stick is felt.

The Output Cable This is used to apply IDF balancing directly to larger objects such as a bag of groceries.

The Input Probe For scanning lists, charts, and maps, the Input probe is used.

The Input Plate Used for compatibility testing and for testing large samples, like foods or vitamins.