TM 5-6675-317-14
(b) Turn TABLE knob left to OFF.
(c) Turn STAGE BELOW knob to right to illuminate object or target from
below.
(d) Set ZOOM CONTROL knob to highest reading.
(e) Alternately loosen Stage Lock knobs and move stage up or down keeping
readings on each scale equal.
(f) Record high and low readings where image of stage target just starts
to go out of focus.
(g) Set stage height halfway between high and low reading.
(10) Adjust index mark.
(a) Loosen screw.
(b) Move mark up or down until index line is level with cross piece.
(c) Tighten screw.
b.
Operation.
(1) Select and position material to be used.
(a) For photographic revision of map, place photograph on glass stage and
place map on table.
4-19