Thank you for purchasing the Nikon Laser Rangefinder ACULON.
Use of controls or adjustments or performance of procedures other than those specified
herein may result in hazardous radiation exposure.
〇 Before using this product, read thoroughly the “Cautions before use” and instructions on correct
usage in this instruction manual (this manual).
〇 Keep this manual within reach for easy reference.
〇 Do not disassemble or repair this product by yourself, this may result in a serious problem.
A product that has been disassembled or repaired is not guaranteed by the manufacturer.
● 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.
● NIKON VISION CO., LTD. reserves the right to change the contents described in these manuals at
any time and without prior notice.
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5
Cautions before use
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Please observe the following
guidelines strictly so you can use
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the equipment properly and
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avoid potentially hazardous
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problems. Before using this
product, read thoroughly the
“Cautions before use” and
instructions on correct usage
accompanying the product.
Keep this manual within reach
for easy reference.
WARNING
This indication alerts you to the fact
that any improper use ignoring the
contents described herein can result
in potential death or serious injury.
CAUTION
This indication alerts you to the fact
that any improper use ignoring the
contents described herein can result
in potential injury or material loss.
6
SAFETY PRECAUTIONS (Laser)
The Nikon Laser Rangefinder uses an
invisible laser beam. Be sure to
observe the following:
Warning
• Do not depress the POWER ON/
Measurement button while
looking into the optics from the
objective side. Failure to do this may
negatively affect or damage your
eyes.
• Do not aim at the eye.
• Do not point the laser at people.
• Do not look at the laser with another
optical instrument such as through
lenses or binoculars, nor with the
naked eye. This may result in damage
to the eyes.
• When not measuring, please keep
your fingers away from the POWER
ON/Measurement button to avoid
accidentally emitting the laser beam.
• When not in use for an extended
period, please remove the battery
from the body.
• Do not disassemble/remodel/repair
the Nikon Laser Rangefinder. The
emitting laser may be harmful to
your health. A product that has been
disassembled/remodeled/repaired is
not guaranteed by the manufacturer.
• Keep the Nikon Laser Rangefinder
out of reach of children when
stored.
• If the Nikon Laser Rangefinder’s
body cover is damaged, or if it
emits a strange sound due to
dropping or some other cause,
remove the battery immediately
and stop using.
SAFETY PRECAUTIONS
(Monocular)
The Nikon Laser Rangefinder
employs a monocular in its optical
system in order to aim at the target.
Be sure to obser ve the following:
Warning
• Never look directly at the sun, an
intense light or the laser beam
when using the Nikon Laser
Rangefinder.
Cautions
• When not using the Nikon Laser
Rangefinder, do not push the
POWER ON/Measurement button.
• Do not use this product while
walking. Failure to observe this
may cause injury or malfunction
as a result of walking into
something, hitting others, falling
or other accidents.
• Do not swing around by the
strap. This may result in hitting
others and cause injury.
• Do not place this product in
an unstable place. Failure to
observe this may result in falling
or dropping and cause injury or
malfunction.
• Keep the plastic bag used to wrap
this product or other small parts
out of reach of children.
• Prevent children from putting
rubber eyecup or small parts,
etc. into their mouths. If children
swallow such parts, consult a
doctor immediately.
• If using the rubber eyecup for a
long period of time, some people
may suffer skin inflammation. If any
symptoms occur, stop using it and
consult a doctor immediately.
• When carrying the Nikon Laser
Rangefinder, store it in the soft
case.
• If your Nikon Laser Rangefinder
should fail to operate correctly,
discontinue use immediately and
consult with your local dealer for
instructions on where to send it for
repair.
SAFETY PRECAUTIONS
(lithium battery)
If handled incorrectly, the battery
may rupture and leak, corroding
equipment and staining clothing.
Be sure to observe the following:
• Install the battery with the + and –
poles positioned correctly.
• The battery should be removed
when exhausted or during
extended periods of non-use.
• Do not short the end terminal of the
battery chamber.
• Do not carry together with keys
or coins in a pocket or bag, it may
short and cause overheating.
• Do not expose the battery to water,
or a flame. Never disassemble the
battery.
• Do not charge the lithium battery.
• If liquid from a damaged battery
comes into contact with clothing or
skin, rinse immediately with plenty
of water. If liquid from a damaged
battery enters the eyes, rinse
immediately with clean water, then
consult a doctor.
• When disposing of the battery,
follow your local area regulations.
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7
Cautions before use
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SAFETY PRECAUTIONS
Cautions
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• The Nikon Laser Rangefinder is not
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designed for use underwater.
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• Rain, water, sand and mud should
be removed from the rangefinder
body surface as soon as possible,
using a soft, clean cloth.
• Do not leave the Nikon Laser
Rangefinder 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
Rangefinder in direct sunlight.
Ultraviolet rays and excessive heat
may negatively affect or even
damage the unit.
• If the Nikon Laser Rangefinder is
exposed to sudden changes in
temperature, water condensation
may occur on lens surfaces. Do
not use the product until the
condensation has evaporated.
8
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 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 cleaning the body, it
should not be used again for the
lens surface.
Main body
• Clean the body surface with a soft,
clean cloth after blowing away dust
with a blower* lightly. Do not use
benzene, thinner, or other cleaners
containing organic solvents.
* A blower is rubber cleaning
equipment that blows air from a
nozzle.
Storage
• Water condensation or mold may
occur on the lens surface because of
high humidity. Therefore, store the
Nikon Laser Rangefinder in a cool,
dry place.
After use on a rainy day or at night,
thoroughly dry it at room
temperature, then store in a cool,
dry place.
Key Features
• Measurement range: 5-500 meters/6-550 yards
• High-quality 6x finder with multilayer coating
• Distant Target Priority mode is employed
• Sustained pressing of the POWER ON/Measurement
button activates continuous measurement function
• Automatic power shut-off (after approx. 8 sec.
unoperated)
The Nikon Laser Rangefinder uses an invisible
laser beam for measuring. It measures the time the
laser beam takes to travel from the rangefinder
to the target and back. Laser reflectivity and
measurement results may vary according to climatic
and environmental conditions, as well as the color,
surface finish, size, shape and other characteristics
of the target.
The following conditions makes measuring easier:
• Cloudy weather
• Bright-colored target
• Target with highly reflective surface
• Large-size target
• When laser incident angle to the target is close to 90
degrees
Measurement may result in inaccuracy or failure in
the following cases:
• Target has small or slender reflective surface
• Target has diffusing reflective surface
• Target does not reflect the laser beam to the
rangefinder
• Target has totally reflective surface (glass, mirror,
etc.)
• Black target
• Target has stepped surface
• In snow, rain or fog
• Target measured through glass
• Reflective surface measured from diagonal direction
5 POWER ON/Measurement button
6 6x monocular eyepiece
7 Eyecup/diopter adjustment ring
8 Diopter index
9 Strap eyelet
!p Battery chamber cover "Open" indication
7
!q Battery chamber cover
!w Product number label
8
9
!p
!e FDA information indication
!q
!w!e
Composition
Body .................................. x1
Soft case ........................... x1
Neckstrap ........................ x1
Lithium battery (CR2) .. x1
Inserting andChanging Battery
• Type of battery: 3V CR2 lithium battery
• Battery remaining amount indicators
* Battery condition mark in the internal display warns when the battery needs to be replaced.
automatically powers off. Please replace the battery.
• Battery lifeContinuous operation: Approx. 8,000 times (at approx. 20°C)
This figure may differ according to condition, temperature, and other factors such as target shape, color, etc.
* The Nikon Laser Rangefinder comes with a 3V CR2 lithium battery. However, due to natural electric discharge, the life of this
* Replace the battery if the Nikon Laser Rangefinder is ever submerged in water or if water enters the battery chamber.
: Battery has enough power for use.
: Battery level is getting low. Prepare to replace the battery.
: Battery level is low. Battery should be replaced with a new one.
flashing : Battery is exhausted. After the indicator flashes three times, the laser rangefinder
1 Open the battery chamber cover
Rotate the battery chamber cover counterclockwise and remove it. It may not open easily due to its
rubber packing for water resistance.
2 Insert the battery/Replace the old battery with a new one
Insert a new battery correctly positioned following the indication seal inside the chamber. The [-] pole
should be positioned toward the inside of the chamber. If the battery is not inserted correctly, the Nikon
Laser Rangefinder will not operate.
When replacing the battery, take the old battery out first. Then insert a new one.
3 Close the battery chamber cover
Rotate the battery chamber cover clockwise to screw it into the body. It may not close easily due to the
rubber packing for water resistance, but continue to turn it all the way until it stops. Confirm that the
cover is securely closed.
battery will likely be shorter than that noted above.
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11
Internal display
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Distance
Laser irradiation mark
Unit of measure (m/yd.)
Target mark
Battery condition
『』 - Aim at the target you want to measure. Position the target at the center of the target mark.
』 - Appears while the laser is being irradiated for a measurement.
『
Remains present during single measurement. Blinks during continuous measurements.
Do not look into the objective lens while this mark is shown.
『
』- Now measuring
』 - "Failure to measure" or "Unable to measure"
『
* Usually, an LCD employs equal or lower magnification. However the LCD of this product is magnified
by the high magnification of the eyepiece. Although this LCD was produced using the most advanced
technology, it is impossible to eliminate dust completely. As a result, dust may be seen. It will not,
however, affect measurement accuracy or safety during use.
Measurement
2. Aim at the target
.
2. Aim at the target
.
2. Aim at the target
.
Measurement
(Initializing)
Stand-by.Target focusing.
2. Aim at the target
.
Measurement
(Initializing)
Stand-by.Target focusing.
2. Aim at the target
.
Measuring.
Stand-by.Target focusing.
2. Aim at the target
.
2. Aim at the target
.
Immediately after power-on.
(Initializing)
Stand-by.Target focusing.
Measuring.
Failure to measure or
Displays the measured
figure. (Target 1)
Displays the measured
figure. (Target 2)
Measurement
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
"Inserting and Changing Battery")
2. Diopter adjustment
Adjust diopter to obtain a clear image in the LCD.
First, rotate the diopter adjustment ring
counterclockwise until it comes to a complete stop.
Next, turn on the power to activate the LCD when
you look through the Nikon Laser Rangefinder.
Rotate the diopter adjustment ring clockwise until
the display comes into focus.
If the diopter is not adjusted to correspond to your
eyesight, you may not be able to correctly aim at
your subject.
3. Measuring
Before measuring, be sure to confirm unit setting.
1. Turn on the power (Confirm
the internal display is on).
(Automatic power shut-off after
approx. 8 sec. unattended.)
2. Aim at the target.
Position the target at
the center of the reticle.
3. Press POWER ON/Measurement button once to start measurement.
Keeping the button depressed enables continous measurement up
to approx. 20 seconds.
Measuring.
4
.
During measurement, the internal display shows “distance” and “fail
to measure” indicator alternately. (Laser irradiation mark is blinking.)
Failure to measure or
unable to measure
distance.
5. After measurement, the measured results are displayed for
approx. 8 seconds, then power turns off. If you press the
ON/Measurement
display is active), another measurement starts.
Displays the
measured figure.
(Target 1)
button during power-on (while the internal
Displays the
measured figure.
(Target 2)
POWER
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Immediately
after power-on.
(Initializing)
Stand-by.Target aiming.
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Distance display units
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Measurement results are displayed in yards/meters.
(Factory default setting is yard.)
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1. Turn on the power (Confirm the internal display is on).
Meter [ ]Yar d [ ]
Target priority mode
This Laser Rangefinder has a Distant
Target Priority System. When measuring
overlapping subjects, this equipment
displays the distance to the farthest subject.
2. Press and hold the MODE button for more than two seconds.
When the display unit has been switched, release the button.
3. After the unit is set, results will be converted and displayed in
the selected distance display unit.
Others
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 operation.
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 and to EU EMC directive. 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 interference 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.
This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.
This Nikon Laser Rangefinder is a basic rangefinder. Its results cannot be used as official evidence.
14
Specifications
Measurement system
Measurement range5-500 m/6-550 yd.
Distance display (increment)Every 1 m/yd.
Optical system
TypeRoof-prism monocular
Magnification (x)6
Effective diameter of objective lens
(mm)
20
Angular field of view (real) (˚)6.0
Eye relief (mm)16.7
Exit pupil (mm)3.3
Diopter adjustment±4m
-
1
Others
Operating temperature (˚C)-10 — +50
Power source CR2 lithium battery x 1 (DC 3V)
Dimensions (L x H x W) (mm)91 x 73 x 37
Weight (g)Approx. 125 (without battery)
Structure
Safety
EMC
JIS/IEC protection class 4 (IPX4) equivalent (under
our testing condtions)
Class 1M Laser Product (EN/IEC60825-1:2007)
Class I Laser Product (FDA/21 CFR Part 1040.10:1985)
This Nikon Laser Rangefinder is equivalent to JIS/IEC protection class 4 (IPX4) (under our testing conditions). This rating
does not guarantee the water resistance performance of the unit or that it will be free from damage or problems under
all conditions. Please observe the following when using:
• The unit is not a sealed structure, so it should not be operated nor held in running water.
• If any moisture is found on movable parts of the unit, stop using it and wipe it off.
• Water may enter the unit if it is submerged in water. If water enters, wipe out any moisture and allow time for it to
dry.
Troubleshooting/Repair
If your Nikon Laser Rangefinder 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.
SymptomCheck Points
Unit does not turn on — LCD fails to
illuminate
Target range cannot be obtained
[- - -] (“Cannot measure”) appears
Closer target cannot be measured
Target beyond a certain distance
cannot be measured
• Depress POWER ON/Measurement button.
• Check battery insertion
• Replace the battery if necessary.
• 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 necessary.
• Be sure that the target shape and condition are appropriate to reflect the
laser beam.
• Replace battery.
• Be sure to hold the unit steady while measuring.
• Be sure the target is within measuring range.
• Be sure that nothing, such as leaves or grass, is between the Nikon Laser
Rangefinder and the target.
• Be sure that nothing, such as leaves or grass, is between the Nikon Laser
Rangefinder and the target.
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Troubleshooting/Repair
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Measurement result is unstable
Incorrect result is displayed
If problems persist after consulting the Troubleshooting Table, please contact your local dealer to check/repair the Nikon
Laser
Nikon Laser Rangefinder. Failure to follow this instruction could result in injury, or damage to the product.
the
18
SymptomCheck Points
• Replace the battery.
• Be sure that the target shape and condition are appropriate to reflect the
laser beam.
• Be sure to hold the unit steady while measuring.
• Be sure that nothing, such as leaves or grass, is between the Nikon Laser
Rangefinder and the target.
• Replace battery.
• Be sure that the target shape and condition are appropriate to reflect the
laser beam.
• Be sure that nothing, such as leaves or grass, is between the Nikon Laser
Rangefinder and the target.
Rangefinder. Never let anyone other than the official representative of the product manufacturer check or repair
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CONTENIDO
Precauciones antes del uso ............................... 20-23