请在文章开头加上内容警示：讨论自杀相关内容。

Please add a ___CW at the beginning of the article for discussion of suicide-related content.

这个无线电设备使用连续波模式进行远距离传输。

This radio device operates in ___cw mode for long-range transmission.

请顺时针方向转动旋钮来打开设备。

Turn the knob ___cw to power on the device.