Patent ID: 9127944
Filing Date: 2015-09-08
Classification: G01C,G06F,Y10S

Abstract:
1. A method for operating a display unit for an aircraft, the method comprising: displaying a plurality of logical categories of options available on an avionics display screen of the display unit, each of the logical categories including a plurality of items of information associated with flight of the aircraft; selecting a first item of information in a first logical category when a first input key is pressed, the first item of information visible on the screen adjacent to the first input key; selecting a next item of information in the first logical category when the first input key is pressed again, the next item of information replacing the first item of information such that only the next item of information is visible on the screen adjacent to the first input key; selecting a first item of information in a second logical category when a second input key is pressed, the first item of information in the second logical category visible on the screen adjacent to the second input key; and selecting a next item of information in the second logical category when the second input key is pressed again, the next item of information in the second logical category replacing the first item of information in the second logical category such that only the next item of information in the second logical category is visible on the screen adjacent to the second input key; wherein when the second input key is pressed after selecting the first or next item of information in the first logical category with the first input key, the first or next item of information in the first logical category remains visible on the screen adjacent to the first input key but is no longer selected.