Nikon Laser IRT User's Manual
Contents
1. U Operation of Unit Stand by mode Unit accepts operation with Remote control unit Power OFF Unit does not accept operation with Remote control unit At Power OFF mode before using the Remote control unit Power switch must be depressed 4 Selecting measurement mode Change to Measurement mode Ce ee Depress POWER or REMOTE One shot contro button over 2 seconds measurement ee until the display changes mode ITEM SUPPLIED Eyepiece cap Objective cap Battery CR2 amp CR2025 Continuous measurement The instrument continuously measures distance for 12 seconds Specifications MODEL 4 12x42 SCOPE Actual magnification Ax 12x Objective diameter mm 42 in 1 65 Exit pupil mm 3 5 in 0 14 Eye relief mm 74 75 4 in 2 9 3 0 Field of view at 100 yds m 7 6 2 5 ft 25 0 8 2 Objective outside diameter mm 52 in 2 05 Length mm 330 in 13 Weight g 700 oz 24 7 Adjustment graduation 4 4 1 click moa Maxinum internal adjustment 7 50 Elevation amp Windage moa Parallax setting m 91 44 at factory yards 100 Outside Diameter of mm 39 Eyepiece in 1 78 Laser Class FDA Class Wavelength 905nm Pulse duration 26ns Output Beam Divergence 0 0362. 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 10 to 50 Remote control unit Attachable to a gun with Velcro Power source Scope 3 volts DC CR 2 lithium battery x1 Remote control unit 3 volts DC CR2025 lithium battery x1 Safety amp EMC 21 CRF PART 1040 10 1985 FCC Part 15 Sub Part B Class B When maximum magnification 12x is selected at minimum magnification at maximum magnification moa minute of angle The battery chamber is water resistant not waterproof Water may enter the device if the laser IRT is submerged in water If water enters the battery chamber wipe out any moisture and allow time for the chamber to dry Waterproof models The Laser IRT is waterproof and will suffer no damage to the optical system if submerged or dropped in water to a maximum depth of 2 meters for up to 5 minutes The Laser IRT offers following advantages Can be used in conditions of high humidity dust and rain without risk of damage Nitrogen filled design makes it resistant to condensation and mold Observe the following when using the Laser IRT As the unit does not have a 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 eyepi
3. 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 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 1 4 minute of angle with a click at intervals of 1 4 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
4. your Nikon Laser IRT should fail to operate correctly dis Remote control unit 3V CR2025 lithium Battery This indication alerts you to the fact that any improper use ignor continue use immediately and consult the Troubleshooting ing the contents described herein can result in potential death or Table If you are unable to fix the problem contact your local Battery change serious injury dealer for instructions on where to send it for repair Scope ZS CAUTION This indication alerts you to the fact that any improper use ignor ing the contents described herein can result in potential injury or material loss FETY AND OPERATION PRECAUTIONS Warning ever look directly at the laser beam or directly at the sun when using the Nikon Laser IRT Do not depress the POWER button while aiming with the eye or looking into the optics from the objective side Do not operate the unit with other additional optical elements such as lenses or binoculars Using an optical instrument together with the Nikon Laser IRT 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 f 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 2S Cautions When not using the Nikon Laser IRT do not push the POWER button Do not leave the Nikon Laser IRT wit
5. Measurement is over or Measurement mode is changed 1 Loosen the Battery Chamber lid screw with coin Fig 5 2 Replace the CR2 Lithium 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 edge of cover to catch the hinge stopper Battery condition Scope 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 a flashing Battery charge is low and battery should be replaced lt 7 shows a position of hinge stopper Fig 8 2 The LED on the Remote control unit must turn the direction of the Remote Control Detector Fig 2 amp 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 reti cle Fig 10 or the BDC reticle Fig 11 Be sure your eye is positioned within progper alinment and proper eye
6. Nikon Laser IRT 4 12x42 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 Suite 100 El Segundo CA 90245 4721 1 800 Nikon SV In other market please bring it to dealer from which you purchased it NIKON VISION CO LTD 3 25 Futaba 1 chome Shinagawa ku Tokyo 142 0043 Japan Tel 81 3 3788 7697 Fax 81 3 3788 7698 INSTRUCTION MANUAL Printed in Japan 505B 1E Congratulations on your choice of a Nikon Laser IRT Your new Please observe the following guidelines strictly so you can use the Nomenclature scope is the finest example of Nikon s rugged and durable construc equipment properly and avoid potentially hazardous problems tion and precision bright optics important qualities for a serious Before using this product read thoroughly the SAFETY PRECAU Objective lens shooter s riflescope TIONS and instructions on correct usage accompanying the prod 2 Eyepiece lens Whether you use your scope for hunting or for target shooting the uct Use of controls or adjustments or performance of procedures Elevation Adjustment procedure for mounting is identical After mounting the scope on other than those specified herein may result in hazardous radiation your riflescope follow the procedures for reticle alignment exposure Windage Adjustment When setting the reticle for hu
7. Parallax Setting you should adjust two minutes of angle up one minute of angle left N Laser Range Finder Caution use of controls or adjustments or performance of procedures other than those specified herein may result in haz ardous radiation exposure 1 Install a battery in the battery chamber See Changing Batteries 2 Diopter adjustment Refer to Riflescope Diopter ajustment Nikoplex Reticle Eyepiece Adjustment Eye Relief k Fig 9 Fig 10 BDC Reticle Fig 11 3 Measuring Normal continuous measurement mode ONE SHOT measurement mode START START U U Depress m Depress Remote Depress of Depress Remote Power button control button Power button control button LT Ld another v v arget Align the reticle cross 7 and Target Same ied dee eee v target i Measurement _ Align the reticle cross i i and Target eee SEAE 32 Distance Depress Depress Remote S Success or Change to Measurement mode Power button control button T Depress POWER or REMOTE ba m control button over 2 seconds 0 2 Uo until the display changes i Over 1 Measurement 12 seconds PERNAR a eee 4 U Distance or Success or F
8. asy to aim 4 12x optical observation system Cloudy weather 8 Explanatory label Waterproof design NOT designed for underwater usage Bright colored targets Invisible Eyesafe FDA Class Laser Targets with highly reflective surfaces 8 second results display Targets with shiny exteriors LASER IRT 4 12x42 NIKON vision CO LTD Compact ergonomic design Large size targets manne ty tember Automatic shut off after approx 8 sec Unattended Shooting targets facing at 90 degrees 4 FE Default to Last Use settings 12 second continuous measuring function Measurement may result in inaccuracy or failure in the Diopter adjustment function following cases E Infrared manual control distance measurement system Slender or small target Status of the Internal Display Target has diffusing reflective surface 1 Fig 10 11 Reticle aiming system The Nikon Laser IRT emits invisible eyesafe infrared energy pulses Target does not reflect the laser beam glass a mirror etc Use to take aim at the target Position the target at the center of the reticle which will always appear in the display that reflect off the selected target back to its optical receiver Black target 2 gag Distance measurement status display Sophisticated precision charge circuitry is used to instantaneously Target has pronounced depth Digitally Indicates measured distance in yards Also indicates measuring status such as Measurement in progr
9. e to reflect the laser beam Be sure to hold the unit steady while measuring the distant Be sure that nothing such as leaves or grass is between the Laser IRT and the target Replace battery Be sure that the target shape and condition is appropriate to reflect the laser beam Be sure that nothing such as leaves or grass is between the Laser IRT and the target Incorrect result is displayed 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 Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired opera tion This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed 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 i
10. ece etc of the Laser IRT to prevent damage and for safety reasons 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 Symptom Check Points Unit does not turn on LED fails to illumi Depress POWER button nate Check and replace battery if necessary Target range cannot be obtained Be sure that nothing such as your hand or finger is blocking the laser emission aperture and laser detector Be sure that the laser emission aperture and laser detector are clean Clean them if neces sary Be sure that the target shape and condition is appropriate to reflect the laser beam Replace battery Cannot measure appears Be sure to hold the unit steady while depressing the POWER button Be 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 cannot Be sure that nothing such as leaves or grass is between the Laser IRT and the target be measured leasurement result is unstable Replace battery Be sure that the target shape and condition is appropriat
11. ens surface Once the cloth has been used for cleaning the body it should not be used again for the ens surface Main body Clean the body surface with a soft clean cloth and a dry cloth Do not use benzene thinner or other organic agents because hey may cause discoloration or rubber degeneration Storage Water condensation or mold may occur on the lens surface because of high humidity Therefore store the Nikon Laser RT ina cool dry place After use on a rainy day or at night thoroughly dry it at room emperature then store in a cool dry place NOTES ON LITHIUM BATTERY If handled incorrectly battery may rupture and leak corroding equ ipment and staining clothing Be sure to observe the following nstall battery with the and poles positioned correctly Battery should be removed when exhausted or during extend ed periods of non use Use the same type of battery f battery fluid contacts eyes or skin rinse well with water If swallowed consult a doctor immediately Do not short circuit battery chamber terminals Do not carry batteries together with keys or coins in a pocket or bag This may overheat and short circuit batteries Do not put batteries in fire or water Never disassemble batter ies Do not change batteries Do not subject stored batteries to extremes in temperature Do not subject batteries to strong vibrations or shock 5 Normal continuous measurement mode Display at
12. ess Measurement unsuc calculate distances by measuring the time it takes for each pulse to In snow rain or fog cessful or Unable to measure travel from the rangefinder to the target and back The maximum Target measured through glass Display of results lt 100 yards e g 55 yards 55v range of the instrument depends on the reflectivity of the target its Reflective surface measured from diagonal direction Display of results lt 100 yards e g 576 yards 5 76 color surface finish size and shape Moving target y Now measuring y Fail to measure or can not measure distance y Indicates distance being measured in yards and battery condition 4 5 one shot measurement mode Display at after power on or Measurement mode is changed Obstacle moving in front of the target When targeting the surface of water w CAUTIONS BEFORE USE Please observe the following guidelines strictly so you can use the equipment properly and avoid potentially hazardous prob lems Before using this product read thoroughly the SAFETY AND OPERATION PRECAUTIONS and instructions on correct the reach of small children Changing Battery usage accompanying the product Keep this manual within reach Be careful that small children do not inadvertently swallow the for easy reference adjustment cap If it does happen consult a doctor immedi Type of battery ately Scope 3V CR2 lithium Battery A WARNING f
13. hin the reach of small children Rain water sand or mud should be removed from the Laser RT body surface as soon as possible using a soft clean dry cloth Although the Nikon Laser IRT is waterproof it is not designed or use underwater Do not leave the Nikon Laser IRT in an unstable place as it may fall and cause injury or damage the equipment 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 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 Do not use alcohol for cleaning the main body Do not leave the polyethylene bag used for packaging within CARE AND MAINTENANCE Lenses When removing dust on the lens surface use a soft oil free brush When removing stains or smudges like fingerprints from the ens surface wipe the lenses very gently with a soft clean cot on 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 l
14. nterference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Consult the dealer or an experienced radio TV technician for help Do not use the Laser IRT for purposes beyond the limits of its stated accuracy
15. nting you should determine your stan Keep this manual within reach for easy reference Eyepiece Adjustment dard range and then adjust the reticle based upon that reading dis Power index Dot tance For targets which vary from that standard distance you may Specifications and design are subject to change without notice Power Scale simply adjust the position of the reticle in relation to your target or No reproduction in any form of this manual in whole or in part you may wish to use the procedure for trajectory compensation It s except for brief quotation in critical articles or reviews may be Power Selector Ring up to your personal preference made without written authorization from NIKON VISION CO LTD Adjustment Cap We hope that you will enjoy your new Nikon Laser IRT for many POWER button years to come Enjoy using it and above all always follow safe The product s described herein may be subject to export control T Remote Control Detector both side shooting procedures regulations in the relevant country ies It they should not be exported without authorization of the exporting govermental authority Battery Chamber Lid if the regulations apply Battery Chamber Lid Screw Remote control unit Key Features Remote contro button Measuring range 33 yards 766 yards The following factors ensure best range and accuracy LED Distance measurement display 1 yard Nighttime use Product number E
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