on-device control usability

#1
On-device controls are repeatedly described as intuitive and easy for changing temperature and system modes.
#2
On-device temperature changes and menu navigation are described as very intuitive.
#3
On-device control is described as intuitive, easy to operate, and simple to adjust directly on the screen.
#4
On-device control is repeatedly described as easy and convenient through the touch interface.
#5
On-device control is generally solid, with direct touchscreen adjustment and familiar controls, though not every reviewer loved the gesture-driven navigation.