Armasight NSCCOLR00139DA1 CO-LR GEN 3 Alpha MG Night Vision Long Range Clip-On System - Manual (Page 26)

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3.2.2 IR-850 CONTROLS
The IR850 controls are shown in Figure 3-14 and defined in Table 3-2. The ITEM NO. column indicates the
number used to identify items in Figure 3-14.
TABLE 3-2. IR-850 CONTROLS
ITEM NO. CONTROL/INDICATOR 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 Adjusts for IR beam divergence. Adjustment range is covered with
approximately one turn of the lens.
3.3 OPERATING PROCEDURES
3.3.1 CO-LR OPERATING PROCEDURES
Operating procedures should be performed in night light conditions only.
CAUTION:
Use of the CO-LR in brightly lit conditions may damage the image intensifier.
CAUTION:
Pay attention to the caution notice on the objective lens cap: “do not remove in daylight.”
1. Verify that the battery is installed as required.
2. Perform a visual estimation of the illumination level in the viewing area, using the reference data
presented in Appendix A. You can begin operating the CO-LR if the illumination level is less than 1
lux.
3. Remove the objective lens cap and place it over the lens’ housing.
FIGURE 3-14. IR850 CONTROLS
B
A