1. The alternating current power output unit is capable of outputting alternating current power.

2. An image output unit outputs a file of an enlarged image generated by the interpolation.

3. A brake output unit (21) moves together with the rod (22) in the advancing direction and outputs a braking force.

4. (3) a digital/analogue converter which converts digital signals processed or recorded by the automatic data-processing machine into analogue signals processed by the output unit (the screen or the speakers).