Gunner's Station (First View).
After you have set reticle control to the correct position,
set the PWR switch (2) on the computer control panel (1) to
the OFF position, set the laser range finder switch (4) on the
laser range finder (3) to the SAFE position, and install the
laser guard (5) according to TM 9-2350-264-10 (fig. 1-9).
At the loader's station, set the internal gun travel lock (6)
by releasing the lock pin (7) from the main gun storage
bracket (8), swinging the main gun elevation