1' deep (61mm x 104mm) Mounting: 2-1/8' (55mm) round hole Obviously, whoever replied to your inquiry has no idea of the WPL and RTE sentences that are part of the NMEA 0183 data protocol.
This menu is available as shown in Select one or more NMEA 0183 output sentences, and select Back. The contents of a sentence is well defined by the standard and always starts with a '$' or a '!' character and always ends with a special code, called a LF (Line Feed). NMEA 0183 Sentences For a comprehensive explanation of the NMEA 0183 protocol please read NMEA Revealed by Eric S. Nmea 0183 sentences list Except for JTR files, the file must be per NMEA 0183.
