Field Link Portable ProgrammerField Link Portable Programmer allows you to modify the most commonly used settings in your Castle controller, at the touch of a single button. Works without the intervention of a PC Field Link for Driving settings: Cutoff voltage Auto LiPo cutoff volts per cell (3. 0, 3. 1, 3. 2, 3. 4, 3. 5) Drag brake Brake strength Punch control Reverse type Motor type Motor timing and C. H. E. A. T. mode* *C. H. E. A. T. mode is a feature of the Mamba Max Pro and