Install standard AA batteries as follows:
1.Unscrew the battery cap (A).
2.Unscrew the CR123 battery adapter(B) from the cap.
3.Insert AA battery, observing the polarity as indicated.
4.Put on the battery cap and screw it hand-tight.
B C
A
Figure 4-2
AABattery Installation
b. Mechanical Functions
The mechanical functions of the ATN PS-15 allow for variations of the physical features of individual operators and provide for operating the system. These functions include the On/Off/IR control, Automatic Protective System Off control, eye relief (see Section III Mounting Procedures – Headmount Adjust- ments), diopter adjustment, objective lens focus, and IR illuminator focusing. These mechanical controls are identified in Figure 4-3.
Operation knob (A) is used to switch both the goggles and the IR Illuminator on/off.