Assist 4D probe; identify the probe by means of the ID code; switch the 4D drive sign by way of the electrical relay to produce the 4D probe operate Typically. four.2.2 Principal board The key board could be divided into two pieces: front-close of the main board and back-conclusion https://marco55c77.blogdal.com/30051229/how-dp50rb-can-save-you-time-stress-and-money