Specifications

18
3
OPERATING INSTRUCTIONS
3.1 INSTALLATION AND MOUNTING
CAUTION:
To protect the intensier tube when the sight is not in use or when it is being operated in day-
light, keep the protective lens cap securely tted 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 aect the life of the battery. In these conditions,
itisrecommendedthatyouusealithium-irondisulde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
Install the AA battery as follows:
1. Unscrew the battery cap (A).
2. Unscrew the battery adapter (C) from the cap, turn it around, and screw in the other end.
3. Insert the AA battery (D), observing the polarity markings as indicated on the body of the device.
4. Screw the battery cap (A) back into place.