ATN ODIN Operator's Manual page 42

(Figure 3.4.) and move the monocular back toward your non-do-
minate eye until the eyecup comfortably seals around the eye.
HEADMOUNT
SOCKET
LATCH
FIGURE 3.12. HEADMOUNT/HELMET MOUNT ADAPTER OPERATION
(5) Turn the monocular ON.
(6) Readjust the vertical adjustment (Figure 2.2.) of the headmount
until the monocular is properly aligned with your eye.
NOTE
The sharpest image will be observed only when the objective
lens and eyepiece lens are properly focused.
(7) Rotate the diopter adjustment for the clearest view of the image
intensifier screen.
NOTE
Any readjustment of eye relief requires readjustment of the
diopter.
3-12
EYE
RELIEF
ADJUSTMENT