The "Clear Chars from Port" function is used to for clearing serial port buffer. This function comes in handy when you wish to send a command to the VXM and wait for a response but do not want to get a false response. Example: User wants to run commands and see when the "^" returns but there may already be a "^" in the serial port buffer due to a previous program run Clearing the Chars from the port immediately before running this new sequence will help ensure your code will see the correct "^" when this new program is complete To call this function do the following: