1) Releasing the stop pawl lock
Fix the "-" shape tipped driver on the Y
eccentric pin (left side of the feeder), and turn
the hex nut with box driver to release the lock
(right side of the feeder).
Then turn the "-" shape tipped driver on the
Y eccentric pin with the box driver being fixed
to allow the pocket center on the monitor to
be located on the Y=0.
2) Move the pocket center to the Y=0 to allow it
to be viewed on the monitor.