1. An electric discharge machine, comprising:
a hand operation panel; wherein
the hand operation panel has a manual pulse generator including a rotating part rotatable in clockwise and counterclockwise
the manual pulse generator is configured to generate a pulse signal corresponding to a rotation angle position of the rotating
the manual pulse generator is configured to switch between and output any one of a move command for changing a relative distance
between a tool electrode and a workpiece and commands for changing set values other than the move command, based on the pulse
signal from the manual pulse generator.