Armasight NSMSIRIUS1GMDA1 Sirius GEN 3 Ghost MG Multi-Purpose Night Vision Monocular - Manual (Page 19)

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3
OPERATING INSTRUCTIONS
3.1 INSTALLATION AND MOUNTING
CAUTION :
To protect the intensifier tube when the sight is not in use or when it is being operated in day-
light, keep the protective lens cap securely fitted over the lens.
3.1.1 BATTERY INSTALLATION
The Sirius operates on a single CR123A or AA battery.
Depending on the size of the battery used, it may be necessary to reposition the battery adapter
within the battery cap.
NOTE :
If operating the device at temperatures below -20°C (-4°F), the use of an alkaline battery is not
recommended, as the severe cold will adversely affect the life of the battery. In these conditions,
it is recommended that you use a lithium-iron disulfide 1.5V AA battery, or its equivalent.
Install the CR123A battery as follows:
1. Unscrew the battery cap (A) and insert the CR123A battery (B), observing the polarity markings on
the body of the device.
2. With the battery adapter (C) installed, screw the battery cap (A) back on securely.
A
D
B
C
FIGURE 3-1. BATTERY INSTALLATION
B
A
C