This paper presents an intelligent Multi-Function Switch used in dig working face of coal mine, which be constituted by the main electric circuit and the control electric circuit.

本文介绍了一种煤矿掘进工作面用智能型组合开关，由主电路和控制电路组成。

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Unplug the wire harness connectors from the multi - function switch.

从多功能开关上拔出线束接头。

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This protrusion (which is removeable) provides access to a multi-function button, volume controls, power switch and micro-USB port for charging.

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