No. 2B771-447EN*F
260
(f) Gently set the ring in the unit and rotate the ring so that the mark is at the
position shown below.
(g) Turn the ring in the direction of the arrows until it is locked (fixed).
(h) After the trackball is installed, check the following.
Operate the ball and confirm that there is no unevenness in the operating
force required, that there is no noise during operation, and that the ball
does not come loose during operation.
Turn ON the power and confirm that the trackball operation is normal.