The PRO-BUF-1 can be configured manually using the ‘Mode’ pins (also referred to as ‘hard-wiring’) or via the web browser based configuration tool. Manually configuring the PRO-BUF-1 takes priority over the web configuration tool. An internet connection is not required to access the configuration tool. The factory default setting of the PRO-BUF-1 is ‘Buffer Mode 3’.