Nikon IRT 4-12X42 User Manual download pdf (Page 6)

Be sure your eye is positioned within proper alignment and proper eye relief

otherwise the view will “black out”.

(2) Point the objective end of the scope at the sky (Do not point at the sun) or at a

plain unpatterned wall.

Turn the eyepiece adjustment counter-clockwise and then turn it clockwise until the

reticle appears sharp.

2. Magnification

• The Laser IRT 4-12X42 has a variable magnification from 4 to 12X.

To change powers, just rotate the power selector ring until the desired

magnification appears adjacent to the power index dot (Fig. 2).

3. Adjustment of the riflescope

Sighting through the riflescope, align the rifle with your aiming point on the target

and shoot a trial round. If the bullet does not hit the aiming point, adjust the

elevation and windage after removing the Adjustment cap, as follows:

4-12X42

• For the Laser IRT adjustment is made by turning the grip by hand. If the bullet

hits under the aiming point, turn the grip in the direction of the arrow marked

“U”. If the bullet hits to the left of the aiming point, turn the grip in the direction

of the arrow marked “R” (Fig. 12).

Note:

• The windage and elevation scales of the Laser IRT 4-12X42 is calibrated in

divisions of  minute of angle with a click at intervals of  minute of angle (half

division).

• When adjusting the reticle to the point of aim, remember that one minute of

angle equals approximately one inch (2.54 cm) at 100 yards (91.44 m).

Therefore, if the impact point is two inches (5.08 cm) low and one inch (2.54 cm)

right at 100 yards (91.44 m) Parallax Setting, you should adjust two minutes of

the angle up one minute of the angle left.

Laser Range Finder

Caution – use of controls or adjustments or performance of procedures other

than those specified herein may result in hazardous radiation exposure.

1. Install a battery in the battery chamber. (See “Changing Batteries”)

2. Diopter adjustment Refer to Riflescope Diopter adjustment.

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Nikon IRT 4-12X42 User Manual Page 6