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Nikon Laser IRT 4-12X42 Instruction Manual
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Nikon Laser IRT 4-12X42 Instruction Manual

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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!

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Summary of Contents for Nikon Laser IRT 4-12X42

  • Page 1 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!
  • Page 2 • 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).
  • Page 3 • Diopter adjustment function • Infrared/manual control distance measurement system The Nikon Laser IRT emits invisible, eyesafe, infrared energy pulses that reflect off the selected target back to its optical receiver. Sophisticated precision charge circuitry is used to instantaneously calculate distances, by measuring the time it takes for each pulse to travel from the rangefinder to the target and back.
  • Page 4 Status of the Internal Display Changing Battery • Type of battery Scope – 3V CR2 Lithium Battery Remote control unit – 3V CR2025 Lithium Battery • Battery change Scope 1. Loosen the Battery Chamber Lid screw with coin. (Fig. 5) 2.
  • Page 5 Battery condition Scope flashing: Battery charge is low and battery should be replaced. Remote control unit No information Install the Remote control unit 1. The Remote control unit is attached near the thumb of the hand which is holding the gun.
  • Page 6 “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 division).
  • Page 8 3. Measuring...
  • Page 9 Specifications MODEL SCOPE Actual magnification Objective diameter Exit pupil Eye relief Field of view at 100 yds. Objective outside diameter Length Weight Adjustment graduation ** Maximum internal adjustment ** Parallax setting (at factory) (yards) Outside Diameter of Eyepiece LASER Class Wavelength Pulse duration Output 15W...
  • Page 10 To keep your Laser IRT in excellent condition, Nikon Vision recommends regular servicing by an authorized dealer. Troubleshooting/Repair If your Nikon Laser IRT should require repair, please contact your local dealer for details regarding where to send it. Before doing so, you are advised to consult the Troubleshooting Table below.
  • Page 11 Target range cannot be obtained [----] (“Cannot measure”) appears Closer target cannot be measured Target beyond a certain distance cannot be measured Measurement result is unstable Incorrect result is displayed • Be sure that nothing, such as your hand or finger, is blocking the laser emission aperture and laser detector.

  • Page 12: Cautions Before Use

    If problems persist after consulting the Troubleshooting Table, please contact your local dealer to check/repair the Laser IRT. Never let anyone other than the official representative of the product manufacturer check or repair the Laser IRT. Failure to follow this instruction could result in injury, or damage to the product. This device complies with Part 15 of the FCC Rules.

  • Page 13: Safety And Operation Precautions

    • Do not look through the Nikon Laser IRT while walking. You may walk into something and get hurt. • Do not leave the Nikon Laser IRT in a car on a hot or sunny day, or near heat-generating equipment. This may damage or negatively affect it.

  • Page 14: Care And Maintenance

    • Do not leave the Nikon Laser IRT in direct sunlight. Ultraviolet rays and excessive heat may negatively affect or even damage the unit. • When the Nikon Laser IRT is exposed to sudden changes in temperature, water condensation may occur on lens surfaces. Do not use the product until the condensation has evaporated.
  • Page 15 • 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:...