The selector switch has two modes, auto and single fire.

Eddie noted the added selector switches, and looked in the crate next to the 15's.

The heat (wattage) selector switch is at the top right.

The selector switch can be set to left, right, or alternating.

Douglas snapped off the safety and turned the selector switch to fully automatic fire.

This too has a single trigger with a selector switch.

Next he flipped the selector switch to the burst position - it was time for a little rock and roll.

There was a selector switch to choose either or both pickups.

He also installed a 5-way selector switch in place of the vintage 3-way one.

"They give you one with an extra selector switch for full automatic."