OPERATION CONTROL DEVICE FOR CONSTRUCTION MACHINE, OPERATION SWITCHING DEVICE, AND CONSTRUCTION MACHINE

摘要

PROBLEM TO BE SOLVED: To easily switch a lever pattern even in a construction machine having an operation section changing a PWM(pulse width modulation) duty ratio and outputting it as an operation signal. SOLUTION: An operation control device is provided with a controller 1 functioning the prescribed portions of the construction machine according to the operation signal from the operation section 2 and a switching section 12 switching the specific operation signal from the operation section 2 to another operation signal.