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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
4.1.2. MECHANICAL FUNCTIONS
The mechanical functions of the ATN NVM-14 allow for differenc-
es in the physical features of individual operators and provide for
the system operation. These functions include the On/Off/On IR
control, eye relief (Section III Mounting Procedures), diopter ad-
justment, objective lens focus, and IR illuminator focusing. These
mechanical controls are identified in Figure 4.3.
Operation knob (A) has three positions:
ON: Turns unit on without IR
OFF: Turns unit Off
IR: Turns unit on and IR on
To turn ON, push knob in (towards eyepiece) and rotate to ON (or
to IR if want IR illumination).
You may adjust the unit diopter by rotating the eyepiece ring (B).
4-4
C
A
FIGURE 4-2. AA BATTERY INSTALLATION
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