Model TR-57U data shuttle has backlit graphical display which enables on-location data analysis. Using thumbwheel navigator, it can be programmed for data range check and G/NG judgment display. Data collector is able to optically read Model TR-5S waterproof logger and includes cable for reading Model TR-7U logger. It is battery operated with 2 AAA batteries that provide 100 hr of operation. Data can be downloaded to PC for archive with Fast USB cable.