The panel-mounted GTX 327 is a TSO-certified Mode C digital transponder and comes in gray or black. This is the gray unit. Its innovative features, proven performance and reliability bring a whole new level of transponder utility to your aircraft. The GTX 327 features a solid state design, and has no warm up time. It consumes less power and produces lower heat emissions. It provides 200 watts nominal power output and has an easy-to-read DSTN liquid crystal display which reverses the numbers out of black for optimal viewing. An innovative keypad makes entering a squawk code a snap, and a dedicated VFR button allows for quick-and-easy VFR squawking. The GTX 327 also offers several timing and display functions, including flight time, count-up and count-down timers, as well as current pressure altitude.