In other words, they can only be used for tape recording and playback rather than for a "loop" containing an equalizer (for tone control) or other circuit such as a surround sound processor.

换句话说，它们只能用于录音和回放，而不是一个“循环”包含诸如环绕声处理器均衡器(用于音调控制)或其他电路。

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This product is mainly used for control of half-tone screen printing, especcially suitable for making adjustment, high-precision screen double sided circuit.

本产品主要用于丝印网版的控制，特别适合制作套色印 刷网版，高精度的单双面电路版。

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