Armasight NSGN150001F6DA1 N-15 FLAG Night Vision Goggles - Manual (Page 20)

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FIGURE 3-7. MOUNTING 3X AFOCAL LENSES TO THE N-15
B
A
3.1.8 MOUNTING A DEMIST SHIELD TO THE N-15
Mount a demist shield to the N-15 as follows:
1. Remove the eyecup from the N-15 eyepiece.
2. Coat the demist shield with an anti-fogging compound, to prevent moisture condensation on the
surface of the shield.
3. Screw the demist shield into the threading of the eyepiece.
4. Secure the eyecup back into place.
3.1.9 MOUNTING A SACRIFICIAL WINDOW TO THE N-15
Mount a sacrificial window to the N-15 as follows:
1. Remove the N-15 lens cap.
2. Screw the sacrificial window into the lens threading.
3.2 CONTROLS AND INDICATORS
3.2.1 CONTROLS AND INDICATORS
The N-15 controls and indicators are defined in Table 3-1.
The N-15 controls are shown in Figure 3-8.
FIGURE 3-8. N-15 CONTROLS
C
D
B
A
CAUTION:
DO NOT over-adjust the controls by forcing them past their stopping points.