A push-button type switch that turns the power source on and off. Pressing the switch turns the power on. Pressing it again turns power off.
英
美
- 按钮式开关；用以开启或关闭仪器的总电源.；压下此开关时；若电源为开启的状态；则再压一次即为关闭状态；反之亦然
