The USB interface (socket Mini-B, 5-pole) is labeled on the device with "SETUP“ and is located on the case top of the LC100 and on the case bottom of the LC200 and LC300. It is used for connection to a PC that is running the setup program. These brief instructions contain the most important information about installation, the electrical connection as well as operation, parameterization and configuration of the device. How to identify specific JUMO controller models and their order codes. We have 1 JUMO Quantrol LC100 manual available for free PDF download: Operating Manual Jumo Quantrol LC100 Pdf User Manuals.