Green Heron RT-21D Deluxe Universal Digital Rotor Controllers have a new green vacuum fluorescent display and a black front panel. The new Deluxe version features the same excellent design as the new RT-21. Green Heron offers these completely new, extremely advanced and adaptable controllers. Offering the ultimate in operational enjoyment, Green Heron RT-21D deluxe universal digital rotor controllers are the best controllers available for your new or existing directional antenna rotor unit or rotation systems. Replace your old-fashioned rotator controller with a modern, state-of-the-art digital controller! Green Heron RT-21D deluxe universal digital rotor controllers from DX Engineering are pre-programmed specifically for Hy-Gain HAM-series and T2X rotators, but easy setup for all other rotator units is field-programmable with internal solderless jumpers.
* New high-visibility green vacuum fluorescent display with adjustable brightness
* Custom black front panel
* Fully versatile controls for point-and-shoot or manual push button operation plus presets
* Automated rotator computer control through RS-232 or USB
* PWM (pulse width modulated) variable-speed control
* Start and stop ramping to reduce tower and antenna stresses
* Precision heading accuracy up to 1/10 degree
* Fully support side mounted antennas, soft limits prevent running into tower
* Allow over-travel up to 720 degrees total
* Offset control allows center of rotation at any heading, allows N & S center on same mast, and compensates for slipped mast
* Fully user-programmable, reversal and brake delay, speed minimum and maximum, limits, ramps, and much more
* Master/slave for stacked arrays, turn together or separately
* Counter-rotation, install rotor above rotating tower
* Easy front panel setup and setup utility software
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