An operating device provided to equipment such as an indoor unit of an air conditioner is equipped with an analog operating member for setting a set temperature of the equipment and outputting an indication value that is associated with the set temperature and continuously varies in accordance with an operation of the analog operating member, and a set temperature adjusting unit for changing a variable range of the set temperature corresponding to a variable range of the indication value on the basis of at least one of an operation mode of the equipment and the type of the equipment.