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2-24
2-25
NOTE
The sharpest image will be observed only when the objective
lens and eyepiece lens are properly focused.
(3) Rotate the diopter adjustment for the clearest view of the image
intensifier screen.
(4) Focus the objective lens while observing an object until the
sharpest image is obtained.
2.4.2. HEAD MOUNTED OPERATION
Perform the following procedures for head mounted operation.
CAUTION
Operate the goggles only under darkened conditions or use
the lens cap to cover the objective lens for daylight conditions.
FIGURE 2.14. INSTALLATION OF BATTERY
BATTERY
BATTERY CAP
(1) Ensure that battery is installed per paragraph 2.3.2.
(2) Don the headmount per instructions in paragraph 2.3.4.
NOTE
To make it easier to align the goggles, eyecup, and eyepiece
lens to the eye, depress the eye relief adjustment and slide
the headmount socket all the way forward before attaching the
goggles.
FIGURE 2.15. HEADMOUNT/HELMET MOUNT OPERATION
EYE RELIEF
ADJUSTMENT
VERTICAL
ADJUSTMENT
LATCH
(3) Align the headmount/helmet mount latch to the headmount
socket (Figure 2.15.). Insert the Helmet Fixture into the Socket of
the mount.
(4) Set your eye relief by depressing the eye relief adjustment
(Figure 2.15.) and move the goggles back toward your eye until the
eyecup comfortably seals around the eye.
(5) Turn the goggles ON.
(6) Readjust the vertical adjustment (Figure 2.15.) of the head-
mount until the goggles 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.
(8) Adjust the eye relief distance by pressing the eye relief adjust-
ment and sliding goggles fore or aft to obtain a full field of view of
the image. Reset the diopter adjustment for best image.
Summary of Contents for ATN PS31
Page 5: ...iii 1 1 CHAPTER 1 INTRODUCTION ...
Page 11: ...2 1 CHAPTER 2 OPERATING INSTRUCTIONS ...
Page 28: ...3 1 CHAPTER 3 MAINTENANCE INSTRUCTIONS ...
Page 32: ...Notes Notes ...