Balancing - Trial Weight Screen This screen allows the user to enter Trial Weight, Angle, Radius and Rotor Mass. Use the arrow keys on the numeric keypad to select one of the four options listed above and enter the values. Press the FIRE key to accept. If the user enters the Raduis and Rotor Mass values, the unit will provide an estimated trial weight. If two planes are selected, pressing PLANE B allows the user to enter values for Plane B as above. Press FIRE or OK buttons to go to Trail Run 1 screen.