I was quite happy with the installation of the Garmin G500 TXi in my Mooney and when it was time to fly the new panel, realized the TXi can be configured in many ways, but the most common is the PFD on the left and the MFD on the right. Each screen has a dedicated concentric knob. When displaying simultane-ously the PFD and MFD, the knobs control the relevant display.During the panel layout process, I decided to add an optional control head for remotely controlling many of the PFD functions. The TXi allows two ways to handle most of the PFD functions-through touchscreen and through a dual concentric knob very similar to other Garmin products. The optional controller added dedicated buttons and knobs including heading bug, altimeter set and altitude preselect controls.
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