Guangzhou Chiyuan Electronic V6KX-6S User manual

Hello! I'm your chat assistant and I've analyzed the instruction manual for the Chiyuan X-6S Radio Controller. This manual covers the features and functions of the controller. It includes instructions for binding, setting the stick mode, adjusting the D/R and channel reverses. It also explains how to use the different modes of operation for various aircraft types, such as helicopters, airplanes, V-tail and Delta wing configurations. I am ready to answer your questions about the specific parameters of device.
What does the 'D/R' function on the radio controller do?

What types of aircraft are supported by this radio controller?

What is the purpose of the 'Throttle Hold' function?