Armasight NRWVULCAN439DB1 Vulcan 4.5X Gen3 Bravo MG - Compact Professional 4.5x Night Vision Rifle Scope - Manual (Page 24)

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3.2.2 IR850 CONTROLS
The IR850 controls are shown in Figure 3-11 and defined in Table 3-2. The ITEM NO. column indicates the
number used to identify items in Figure 3-11.
FIGURE 3-11. IR850 CONTROLS
B
a
TABLE 3-2. IR-850 CONTROLS
ITEM NO. CONTROL FUNCTION
1 Power Switch Switches the IR850 on/ off and adjusts for radiated power. Four “on”
positions are located between two “off” positions, and are each
marked with a different-sized spot. The larger the spot, the greater the
radiated power.
2 Lens Focus Ring Adjusts for IR beam divergence. Adjustment range is covered with
approximately one turn of the lens.
3.3 OPERATING PROCEDURES
Operating procedures should be performed in nighttime conditions only.
CAUTION:
The use of Vulcan in brightly lit conditions may damage the image intensifier.
CAUTION:
Pay close attention to the caution notice on the objective lens cap: “Do not remove in day-
light.”
3.3.1 BORESIGHT ADjUSTMENT PROCEDURE
NOTE:
Before adjusting the Vulcan boresight for the first time, install the device and fire approximately
10 shots, in order to stabilize the adjustment mechanisms under applied shocks.
The vertical and horizontal adjustments for the Armasight Vulcan can be regulated by rotating the el-
evation and windage adjustment turrets. Each click represents 3/5 inch at a 100 yard distance. Once
the turret comes to a complete stop, avoid forcing it any further, as damage to the mechanism may
occur. To adjust the boresight: