Chapter 5 – SDK Guide 82Industrial & Mobile NVR VPC-5620SUtility Function Description:1. COM Port number2. COM Port baud rate. This can be set to the following:11520057600384001920096003. Connect/Disconnect button4. When doing a loop test, if an error occurs, counter will increase by 1. Clearbutton will reset error count.5. CAN bus port selector: 0 or 1