The arming switch, S1, is connected with two short lengths of wire to the two holes marked S1 in the component placement diagram below.
武装开关，S1的，是与两短的长度线向两洞，标志着中一在组件的位置如下图。
Standard dual procedure allows operator to set different voltage and wire feed speeds and switch between the two.
标准的双程序转换开关允许操作者设置不同的电压和送丝速度，并在两种程序间相互转换。
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