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Nikon Laser IRT 4-12X42 

Instruction Manual 

 

 
Congratulations on your choice of a Nikon Laser IRT. Your new scope is the finest 
example of Nikon’s rugged and durable construction and precision bright optics; 
important qualities for a serious shooter’s riflescope. 
Whether you use your scope for hunting or for target shooting, the procedure for 
mounting is identical. After mounting the scope on your riflescope, follow the 
procedures for reticle alignment. 
 
When setting the reticle for hunting, you should determine your standard range and 
then adjust the reticle based upon that reading distance. For targets which vary 
from that standard distance you may simply adjust the position of the reticle in 
relation to your target, or you may wish to use the procedure for trajectory 
compensation. It’s up to your personal preference. 
 
We hope that you will enjoy your new Nikon Laser IRT for many years to come. 
Enjoy using it, and above all, always follow safe shooting procedures!

 

Summary of Contents for Laser IRT 4-12X42

Page 1: ...scope on your riflescope follow the procedures for reticle alignment When setting the reticle for hunting you should determine your standard range and then adjust the reticle based upon that reading distance For targets which vary from that standard distance you may simply adjust the position of the reticle in relation to your target or you may wish to use the procedure for trajectory compensation...

Page 2: ...for easy reference Specifications and design are subject to change without notice No reproduction in any form of this manual in whole or in part except for brief quotation in critical articles or reviews may be made without written authorization from NIKON VISION CO LTD The product s described herein may be subject to export control regulations in the relevant country ies It they should not be exp...

Page 3: ... each pulse to travel from the rangefinder to the target and back The maximum range of the instrument depends on the reflectivity of the target its color surface finish size and shape The following factors ensure best range and accuracy Nighttime use Cloudy weather Bright colored targets Targets with highly reflective surfaces Targets with shiny exteriors Large size targets Shooting targets facing...

Page 4: ...um Battery correctly Fig 6 3 Tighten the lid screw firmly for air tightness Remote control unit 1 Insert the metal plate into the groove of opposite side of LED Fig 7 2 Press down the metal plate a to lift up the rear cover b Fig 7 There are eight hinge stoppers Fig 8 Be careful to break the hinge stopper 3 Replace the CR2025 Lithium Battery correctly Fig 8 4 Put the rear cover back and press the ...

Page 5: ...ding the gun 2 The LED on the Remote control unit must turn the direction of the Remote control Detector Fig 2 3 3 Then fix the Remote control Unit with the band Effective control range is less than 20 inches Operational Summary Riflescope 1 Diopter adjustment 1 Look through the eyepiece with your eye positioned about 4 inches away from the eyepiece lens Fig 9 and you will see the Nikoplex reticle...

Page 6: ...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...

Page 7: ......

Page 8: ...3 Measuring ...

Page 9: ...factory yards 100 Outside Diameter of Eyepiece mm 39 in 1 78 LASER Class FDA Class I Wavelength 905nm Pulse duration 30ns Output 15W Beam Divergence 0 036 degree OTHERS Measuring range 33 766 yards Distance display 1 yard step Structure Scope Waterproof maximum depth of 2 meters for up to 5 minutes Battery chamber Water resistant Operating temperature 10º to 50º Remote control unit Attachable to a...

Page 10: ...ge Nitrogen filled design makes it resistant to condensation and mold Observe the following when using the Laser IRT As the unit does not have perfectly sealed structure it should not be operated nor held in running water Any moisture should be wiped off before adjusting movable parts Power selector Ring eyepiece etc of the Laser IRT to prevent damage and for safety reasons To keep your Laser IRT ...

Page 11: ...sure the target is within measuring range 33 766 yards Closer target cannot be measured Be sure that nothing such as leaves or grass is between the Laser IRT and the target Target beyond a certain distance Be sure that nothing such as leaves or cannot be measured grass is between the Laser IRT and the target Measurement result is unstable Replace battery Be sure the target shape and condition is a...

Page 12: ...ned to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does...

Page 13: ... increases the danger of damaging the eyes Do not disassemble the Nikon Laser IRT A product that has been disassembled is not guaranteed by the manufacturer If the Laser IRT s body cover is damaged or if it emits a strange sound due to dropping or for some other cause immediately remove the battery and stop using Cautions When not using the Nikon Laser IRT do not push the POWER button Do not leave...

Page 14: ...t on the lens surface use a soft oil free brush When removing stains or smudges like fingerprints from the lens surface wipe the lenses very gently with a soft clean cotton cloth or quality oil free lens tissue Use a small quantity of pure alcohol not denatured to wipe stubborn smudges Do not use velvet cloth or ordinary tissue as it may scratch the lens surface Once the cloth has been used for cl...

Page 15: ...eat and short circuit batteries Do not put batteries in fire or water Never disassemble batteries Do not change batteries Do not subject stored batteries to extremes in temperature Do not subject batteries to strong vibrations or shock In the event that you should require service for your Nikon RIFLESCOPE in case of U S A market please send it directly to Nikon Scope Service 841 Apollo Street Suit...

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