About the Entering Data into the Setup Screens
2-43
990-HQ Operation Manual
Enter a Positive or Negative Number?
Determine when to enter a positive of negative number by using your
Left Hand
. Use the cut on
the door as a reference. Hold out the left hand with the first finger pointed at the door, second fin-
ger and thumb at right angle to each other. The first finger represents the
positive
direction of the
‘Z” axis, the thumb represents the
positive
direction of the ‘Y” axis, then second finger represents
the
positive
the direction of the ‘X’ axis.
Y-
X Axis Positive
movement
Z Axis Positive
movement
Y Axis Positive
movement
Z -
X +
Y +
Z +
X -
Either Front Section or Back Section Cuts
