| 摘要 |
In an electronic apparatus made up of a main body and an external output unit to be integrally coupled with the main body and adapted such that an electric connection between the two units is provided by the coupling, an electrical control system is disclosed which comprises a control knob disposed on one side of the main body at the joining position, an adjustment knob accessible from the outside when the units are coupled and function to cause the control knob to operate in conjunction therewith, and a transmission mechanism for transmitting an operating force applied to the adjustment knob of the output unit to the control knob of the main body when these units are coupled, whereby control of the electrical connection of the main body is provided from the outside when these units are coupled.
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