You can adjust the heating system temperature between ______ and ______ F when in the AUTO range.

The ability to adjust the heating system temperature within the range of 60 to 90 degrees Fahrenheit when in the AUTO range allows for a comfortable and controlled environment in the cockpit. This range is specifically designed to ensure that the occupants can maintain an optimal thermal comfort level, particularly during varied flight conditions.

The set point temperatures provide a balance, enabling the system to respond effectively to exterior conditions while ensuring a stable interior environment. This choice reflects an understanding of the specified operational capabilities of the heating system as specified in the training material for the T-6 aircraft.

Other ranges, while they may suggest broad temperature limits, do not align with the specified operational guidelines of the heating system available in the T-6, making them less suitable in comparison.