Assistance 4D probe; understand the probe via the ID code; swap the 4D push signal via the electrical relay to generate the 4D probe operate Ordinarily. four.2.2 Principal board The leading board can be divided into two components: front-close of the leading board and again-stop of the primary board. https://anderson87g12.blogzet.com/5-simple-techniques-for-dp50rb-44439751