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RifleHunter 550 / RifleHunter 550 MAX-1 / Archer's Choice

Instruction Manual / Mode d'emploi

Laser Rangefinder

Thank you for purchasing the Nikon RifleHunter / Archer's

Choice.

This high-spec laser rangefinder features a new angle measurement function in

addition to the existing linear distance measurement function for enhanced

enjoyment of sports and other outdoor applications. (The Nikon RifleHunter /

Archer's Choice is also able to measure the horizontal distance to a target.)

Please observe the following guidelines strictly so you can use the equipment

properly and avoid potentially hazardous problems. Before using this product,

read thoroughly the "SAFETY PRECAUTIONS" and instructions on correct usage

accompanying the product.

Use of controls or adjustments or performance of procedures

other than those specified herein may result in hazardous

radiation exposure.

Keep this manual within reach 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.

Key Features

• Linear distance measurement range:

10-500 meters/11-550 yards (RifleHunter)

4.5-91.5 meters/5-100 yards (Archer's Choice)

• Distance measurement display step:

(Linear Distance)

0.5 meter/yard (measurement distance is less than 100 meters/yards)

1.0 meter/yard (measurement distance is 100 meters/yards or farther)

(Horizontal Distance)

0.2 meter/yard (measurement distance is less than 100 meters/yards)

1.0 meter/yard (measurement distance is 100 meters/yards or farther)

• Easy-to-aim 6x optical observation system

• Quantifies the horizontal distance to the target in relation to the rangefinder's

level by measuring linear distance and angle.

• The results are displayed on internal LCD panel.

• Target Priority Switch System allows you to easily match the measuring

situation. (RifleHunter only)

• Archer's Choice is First Target Priority.

• Waterproof design (NOT designed for underwater usage)

• Invisible/Eyesafe IEC Class 1M Laser

• 8-second results display

• Compact, lightweight, ergonomic design

• Automatic shut-off (after approx. 8 sec. unattended)

• Default to "Last Use" settings

• 20-second continuous measuring function

The Nikon RifleHunter / Archer's Choice 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. Laser reflectivity and measurement results

may vary according to climatic and environmental conditions, the colour, surface

finish, size, shape and other characteristics of the target.

The following factors ensure best range and accuracy:

• Nighttime use

• Cloudy weather

• Bright-coloured targets

• Targets with highly reflective surfaces

• Targets with shiny exteriors

• Large-size targets

• Shooting targets facing at 90 degrees

Measurement may result in inaccuracy or failure in the following cases:

• Slender or small target

• Target has diffusing reflective surface

• Target does not reflect the laser beam (glass, a mirror, etc.)

• Black target

• Target has varing depths

• In snow, rain or fog

• Target measured through glass

• Reflective surface measured from diagonal direction

• Moving target

• Obstacle moving in front of the target

• When targeting the surface of water

Composition

Body ...........................................1

Neckstrap ...................................1

Soft case (CCN: RifleHunter, /CCV:

Lithium battery (CR2) ..................1

Archer's Choice) ..........................1

Nomenclature

1 Monocular objective lens/

!q Product number/explanatory label

Laser emission aperture

2 Laser detector aperture

Invisible laser radiation. Do not view directly with

16184

optical instruments (Binoculars or Telescopes)

Class 1M Laser product 15w/870nm/14ns IEC 60825-1:2001

3 MODE button

Complies with FDA performance standards for laser

products except for deviations

pursuant to Laser Notice No.50, dated June 24,2007.

4 POWER button

NIKON VISION CO., LTD.

3-25, Futaba 1-chome, Shinagawa-ku, Tokyo 142-0043 Japan

5 6x monocular eyepiece

6 Eyecup/dioptre adjustment ring

!w Laser warning label

7 Dioptre index

8 Strap eyelet

9 Battery chamber cover

!p Battery chamber cover

"Open/Close" indication

Internal Display

1. 『

』- Target focusing/Laser irradiate system

』 - Aim at the target. Position the target at

『

the center of the reticle.

『

』 - Appears while the laser is being used for

a measurement. (Remains present during single

measurement. Blinks during continuous

measurements.)

RifleHunter

Warning: Do not look into the objective lenses

when this mark is shown.

88 . 8

2．『

』: Distance/measurement status display

Digitally indicates measured distance in meters/yards.

Also indicates measuring status such as

"Measurement in progress", "Measurement

unsuccessful" or "Unable to measure."

Archer's Choice

(Distance)

e.g. 234 meters = 『

Display of results: (≧100m/yards)

e.g. 76.5 yards = 『

Display of results: (＜100m/yards)

- -

『

』- Now measuring

『

---

』- Failure to measure or unable to measure distance

CAUTIONS BEFORE USE

Please observe the following guidelines strictly so you can use the equipment

properly and avoid potentially hazardous problems. Before using this product, read

thoroughly the "SAFETY AND OPERATION PRECAUTIONS" and instructions on

correct usage accompanying the product. Keep this manual within reach for easy

reference.

w 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.

w 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.

SAFETY AND OPERATION PRECAUTIONS

w Warning

•

Never look directly at the laser beam or directly at the sun when using the Nikon

RifleHunter / Archer's Choice.

• 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 RifleHunter /

Archer's Choice increases the danger of damaging the eyes.

• Do not disassemble the Nikon RifleHunter / Archer's Choice. A product that has

been disassembled is not guaranteed by the manufacturer.

• When Nikon RifleHunter / Archer's Choice'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.

NIKON VISION CO., LTD.

Customer Service Department

3-25, Futaba 1-chome, Shinagawa-ku, Tokyo 142-0043, Japan

Tel: +81-3-3788-7699 Fax: +81-3-3788-7698

E F

3. 『

』Display Units

『

』 Indicates distance being measured in meters.

『

』Indicates distance being measured in yards.

4. 『

』- Indicates battery condition. (See "Changing Batteries")

Ang

5. 『

』Display Modes

Linear distance mode

『No unit displayed』Measures linear distance to your target and

displays the results.

Horizontal distance mode

Ang

『

』Calculates horizontal distance to your target by measuring

the linear distance and angle, and displays the results.

6. 『

』Target Priority mode (Archer's Choice doesn't have this mode.)

First Target Priority mode

『No unit displayed』Indicates when First Target Priority mode is set.

Distant Target Priority mode

『

』Indicates when Distant Target Priority mode is set.

Although the LCD was produced using the most advanced technology, it is

impossible to eliminate dust completely. When using this product, the LCD is

magnified by high magnification of the eyepiece lens and dust may appear as a

defect. It will not, however, affect measurement accuracy.

Changing Batteries

• Type of battery: 3V CR2 lithium battery

• Battery condition indicators

Battery has enough charge for use.

Battery charge is getting low.

flashing:

Battery charge is low and battery

should be replaced.

disappears: Battery is exhausted and should

be replaced.

flashing in the LCD indicates that the battery should be replaced.

1 Open the battery chamber cover

Using the ball of the thumb or a coin in the recessed part of the battery

chamber cover, rotate the cover following the Open/Close arrow indicator.

It may not open easily due to its rubber packing for water resistance.

2 Replace the old battery with a new one

Install new battery with the [+] and [-] correctly positioned following the

"Battery installation" indication seal in the battery chamber. (Insert battery

positioning the [+] pole towards the inside of the chamber.) [The RifleHunter

/ Archer's Choice will not operate if the battery is installed incorrectly.]

3 Close the battery chamber cover

Align the Open/Close indicator with the white dot and insert the battery

chamber cover. Using the ball of the thumb or a coin, turn the cover in the

opposite direction to the arrow indicator. 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 life

Continuous operation: Approx. 10,000 times (at 20°C)

Target focusing, measurement, and automatic power off are included in a

single cycle. This figure may differ according to temperature, and other factors

such as target shape, colour, etc.

* The Nikon RifleHunter / Archer's Choice come with a 3V CR2 lithium battery. However,

due to natural electric discharge, the life of the battery will likely be shorter than that

noted above.

Replace battery if the Nikon RifleHunter / Archer's Choice is ever submerged in water or

if water enters in the battery chamber.

Operational Summary

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. Rubber eyepiece cup

Eyeglass wearers: Roll up the rubber eyepiece cup and use.

Non-eyeglass wearers: No need to roll up the rubber eyepiece cup for use.

3. 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 RifleHunter / Archer's Choice. 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 clearly focus your subject.

4. Measuring

Note: Depressing and holding down the POWER button causes all symbols to be

displayed in the internal LCD panel. After you remove your finger from the

POWER button, the last-used setting is displayed. (If you briefly press the

POWER button then remove your finger, the LCD panel may display the last-

used setting without displaying all of the symbols. This is not a malfunction or

other problem.)

Before measuring, be sure to confirm settings, such as unit, measurement/display

mode and priority mode.

◎

: See the relevant mode section in this manual for setting.

POWER

LCD is illuminated

Align the reticle

with the target

POWER

appears

Made in China

Indication

remains

Results are converted to the

illuminated

mode set and displayed.

for 8 sec.

8 seconds pass without operation ＊

Power off: LCD indications disappear.

＊Power turns off 8 seconds after the last operation.

☆【Continuous measurement mode】

Depressing the POWER button allows you to perform continuous

measurement for 20 seconds.

Blinks while performing measurements.

』

w Cautions

• When not using the Nikon RifleHunter / Archer's Choice, do not push the POWER

button.

• Do not leave the Nikon RifleHunter / Archer's Choice within the reach of small

children.

• Rain, water, sand and mud should be removed from the rangefinder body surface

as soon as possible, using a soft, clean, dry cloth.

• Although the Nikon RifleHunter / Archer's Choice is waterproof, it is not designed

for use underwater.

• Do not swing the Nikon RifleHunter / Archer's Choice by its strap. It may hit

someone and cause injury.

• Do not leave Nikon RifleHunter / Archer's Choice in an unstable place, as it may

fall and cause injury, or damage the equipment.

• Do not look through the Nikon RifleHunter / Archer's Choice while walking. You

may walk into something and get hurt.

• Do not leave the Nikon RifleHunter / Archer's Choice 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 RifleHunter / Archer's Choice in direct sunlight.

Ultraviolet rays and excessive heat may negatively affect or even damage the

unit.

• When the Nikon RifleHunter / Archer's Choice 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.

5. Selecting display unit (Factory default setting is yard.)

Meter

[

]

1. Confirm the internal LCD panel is on.

2. Press and hold the

3. When display unit has switched, release the

4. Repeat steps 2 and 3 until your desired mode is displayed.

5. When you have completed setting, results will be converted and displayed

in the your selected measurement unit.

6. Switching measurement/display modes

(Factory default setting is Horizontal distance measurement mode.)

Linear Distance[

1. Confirm the internal LCD panel is on.

2. Press

button within 0.5 seconds.

3. When mode has switched, release the button.

4. Repeat steps 2 and 3 until your desire mode is displayed.

Printed in China (185K)/1E

5. Switching the mode after measurement converts the results to the new

mode.

6. After the mode is set, measurements are performed in the new mode.

7. Switching Target Priority modes (RifleHunter only)

(Factory default setting is Distant Target Priority mode.)

First Target Priority [

]

1. LCD panel should be on.

2. Press and hold

button, then depress and hold

0.5 second.

Note）If the

button is not pressed within 0.5 second, the display

unit (m/yd/ft) will be switched.

3. Continue to press and hold both buttons (more than 2 seconds) until First

Target Priority mode and Distant Target Priority mode are switched.

Note: If buttons are not pressed in the correct order, switching will not take

place.

Note: If switching fails to take place, repeat 2.

4. Release buttons.

[Deciding which Target Priority to use]

When obtaining different results from a single measuring operation, the Nikon

RifleHunter will display the distance to the farthest target on the LCD panel when

using Distant Target Priority mode, while First Target Priority mode will show the

range to the nearest target.

Archer's Choice takes First Target Priority Distant Display System.

ex.) When measuring a tree standing in front of a house;

Distance to Target

"115m" (distance to the tree) will be displayed in First Target Priority mode, and

"128m" (distance to the house) in Distant Target Priority mode. First Target

Priority mode, for example, has applications for golf, while Distant Target Priority

is useful when hunting in heavily wooded areas.

8. Low battery indication

Flashing

indicates that the battery charge is low and battery should be

replaced. (See "Changing Battery")

(RifleHunter 550 / RifleHunter 550 MAX-1)

Measurement System

Measurement mode

Linear distance

display

Horizontal distance

Measured range

10-500 meters/11-550 yards

Distance indication

No sign (Linear distance):

step

0.5 meter/yard (＜100 meters/yards)

1.0 meter/yard (≧100 meters/yards)

Ang (Horizontal distance):

0.2 meter/yard (＜100 meters/yards)

1.0 meter/yard (≧100 meters/yards)

Target System

Target Priority Switch System

Measuring system

Single mode/Continuous mode

(Archer's Choice)

Measurement System

Measurement mode

Linear distance

display

Horizontal distance

Measured range

4.5-91.5 meters/5-100 yards

Distance indication

No sign (Linear distance):

step

0.5 meter/yard (＜100 meters/yards)

1.0 meter/yard (≧100 meters/yards)

Ang (Horizontal distance):

0.2 meter/yard (＜100 meters/yards)

1.0 meter/yard (≧100 meters/yards)

Target System

First Target Priority System

Measuring system

Single mode/Continuous mode

(RifleHunter 550 / RifleHunter 550 MAX-1 / Archer's Choice)

Optical system

Type

Magnification

Effective diameter of objective lens

Angular field of view (real)

Eye relief

Exit pupil

Dioptre adjustment

Others

Operating temperature

Power source

Dimensions (W x H x D)

Weight

Structure

Safety

◎

Set your desired modes

Laser

☆

Class

For continuous distance

Wavelength

measurement (up to 20

Pulse duration

seconds), keep button

Output

depressed.

Beam divergence

Operating humidity

* Waterproof models

The Nikon RifleHunter / Archer's Choice is waterproof, and will suffer no

damage to the optical system if submerged or dropped in water to a

maximum depth of 1 meter for up to 10 minutes.

The Nikon RifleHunter / Archer's Choice offers the following

advantages:

• Can be used in conditions of high humidity, dust and rain without risk of

damage.

MODE

• Nitrogen-filled design makes it resistant to condensation and mold.

Observe the following when using the Nikon RifleHunter /

Archer's Choice

• 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 (focusing

knob, eyepiece, etc.) of the Nikon RifleHunter / Archer's Choice to prevent

damage and for safety reasons.

To keep your Nikon RifleHunter / Archer's Choice in excellent condition, Nikon

Vision recommends regular servicing by an authorized dealer.

** The battery chamber is water resistant, not waterproof. Water may enter the

device if the Nikon RifleHunter / Archer's Choice is submerged in water. If

water enters the battery chamber, wipe out any moisture and allow time for

the chamber to dry.

• Do not leave the polyethylene bag used for packaging within the reach of small

children.

• Be careful that small children do not inadvertently swallow the eyecup. If it does

happen, consult a doctor immediately.

• If you use the rubber eyecup for a long period of time, you may suffer skin

inflammation. If you develop any symptoms, consult a doctor immediately.

• When carrying the Nikon RifleHunter / Archer's Choice, store it in the soft case.

• If your Nikon RifleHunter / Archer's Choice should fail to operate correctly,

discontinue use immediately and consult the Troubleshooting Table. If you are

unable to fix the problem, contact your local dealer for instructions on where to

send it for repair

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 and a dry cloth. Do not use

benzene, thinner, or other organic agents because they may cause

discolouration or rubber degeneration.

If your Nikon RifleHunter / Archer's Choice should require repair, please contact

Yard

[

]

your local dealer for details regarding where to send it. Before doing so, you are

advised to consult the Troubleshooting Table below.

button for more than two seconds.

button.

Unit does not turn on —

LCD fails to illuminate

Target range cannot be

obtained

Ang

]

Horizontal Distance[

]

[- - -] ("Cannot

measure") appears

Closer target cannot be

measured

Target beyond a certain

distance cannot be

Distant Target Priority [

]

measured

Measurement result is

unstable

button within

Incorrect result is

displayed

If problems persist after consulting the Troubleshooting Table,

please contact your local dealer to check/repair the Nikon

RifleHunter / Archer's Choice. Never let anyone than the official

representative of the product manufacturer check or repair the

Nikon RifleHunter / Archer's Choice. Failure to follow this

instruction could result in injury, or damage to the product.

Tree

Fence

House

115m

123m

128m

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. 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

Specifications

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

: No sign

turning the equipment off and on, the user is encouraged to try to correct

the interference by one or more of the following measures:

: Ang

•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 Nikon Nikon RifleHunter / Archer's Choice for purposes

beyond the limits of its stated accuracy.

: No sign

: Ang

Roof-prism monocular

ø21mm

6.0°

18mm

ø3.5mm

±4m

-1

-10° — +50°

CR2 lithium battery x 1, 3V DC

130×37×69 mm

Approx. 180g (without battery)

Body: Waterproof (maximum depth of 1 meter

for up to 10 minutes)*

（Battery chamber: Water resistant**）

Class 1M Laser product (IEC 60825-

1:2001)

FCC Part15 subpart B Class B

CE, EMC directive, c-tick, WEEE

IEC Class 1M

870 nm

14 ns

15W

Vertical: 5° — 8°, Horizontal: 25° — 36°

80% RH (without dew condensation)

Storage

• Water condensation or mould may occur on the lens surface because of high

humidity. Therefore, store the Nikon RifleHunter / Archer's Choice 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.

NOTES ON LITHIUM BATTERY

If handled incorrectly, batteries may rupture and leak, corroding equipment and

staining clothing. Be sure to observe the following:

• Install batteries with the + and – poles positioned correctly.

• Batteries should be removed when exhausted or during extended periods of

non-use.

• Always use the same brand of battery.

• If 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 batteries.

• Do not charge batteries.

• Do not subject stored batteries to extremes in temperature.

• Do not subject batteries to strong vibrations or shock.

Troubleshooting/Repair

Symptom

Check Points

• Depress POWER button.

• Check and replace batteries 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 is

appropriate to reflect the laser beam.

• Replace battery.

• Be sure to hold the unit steady while depressing the

POWER button.

• Be sure the target is within measuring range

(10 - 500m/11 - 550 yards: RifleHunter,

4.5 - 91.5m/5 - 100 yards: Archer's Choice)

• Be sure that nothing, such as leaves or grass, is

between the Nikon RifleHunter / Archer's Choice and

the target.

• Be sure that nothing, such as leaves or grass, is

between the Nikon RifleHunter / Archer's Choice and

the target.

• Replace battery.

• Be sure that the target shape and condition is

appropriate to reflect the laser beam.

• Be sure to hold the unit steady while depressing the

POWER button.

• Be sure that nothing, such as leaves or grass, is

between the Nikon RifleHunter / Archer's Choice 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 Nikon RifleHunter / Archer's Choice and

the target.