This screen allows the input of the inclination of the wall.
Input is in decimal degrees from the vertical with the following sign convention:
An inclination of the clock plane top away from the observer (normal) is POSITIVE.
An inclination of the clock plane top toward the observer (overhung) is NEGATIVE.
A vertical wall will have an angle of inclination of 0º. A horizontal clock will have an angle of inclination of 90º.
