TM 1-1680-359-10
2-7. OPERATING PROCEDURE (Cont)
f.
LENSATIC COMPASS. The lensatic compass has a solid aluminum body hinged in the center to permit the
body bottom to fold over the compass face. It is locked by the thumb ring; this secures the magnetic needle and protects
the face from damage when not in use.
The compass consists of a front and rear sight, a stationary index, a moveable bezel ring with a luminous lubber line,
luminous sighting dots, a lens in the rear sight, a thumb ring, and a graduated straight edge. To use the compass,
proceed as follows:
NOTE
The arrow on the compass dial always points to magnetic "NORTH".
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