In step u below the ALT may break track. If this occurs, stop walking, realign laser
simulator's lens assembly with ALT receiver. Then continue walking.
The distance between B and A or C and A in step u below is approximately 27 feet.
With laser simulator lens pointed at ALT receiver, walk in an arc, from position A to B, and back to position C
Ensure that TSU follows laser simulator by watching (from outside of the helicopter) the TSU move toward the
Turn all equipment off.
Figure 3-11. ALT/TSU Slewing.