Bushnell Marine 13-7507 Manuel utilisateur

Instruction Manual

Model: 137507

LIT. #: 981192/0608

Binoculars

with

Digital

Compass

Digital Compass Marine Bino 13751 1 6/10/08 9:03:59 PM

Compass

Power Switch

Battery

Cover

Tripod Attachment

Socket Cover

Left Eyepiece

Focus

Right Eyepiece

Focus

Parts

Reference

English

Digital Compass Marine Bino 13752 2 6/10/08 9:03:59 PM

BUSHNELL MARINE porro prism binoculars are designed for the boating enthusiast in particular, but

are also ideal for any demanding environment or application where rock-solid durability is required.

The new model 137507 features an illuminated digital compass built into the viewing optics, with

direction and bearing indicators tracking as you view. Bearings are called out in easy-to-read precise 1°

increments, ideal for navigation and locating objects accurately. The digital compass delivers reliable

accuracy anywhere in the world (both Northern and Southern hemispheres). A range-nding scale

allows the viewer to estimate the range to objects of a known size. The BUSHNELL MARINE is fully

waterproof/fogproof and shock protected with suregrip rubber armoring, and has roll-down eyecups for

use with sunglasses and prescription eyeglasses. The optics feature multi-coated lenses for excellent

light transmission, along with a UV reducing lens coating and internal UV lter to prevent potentially

harmful ultraviolet light (wavelengths below 400nm) from reaching your eyes. The BUSHNELL MARINE

comes complete with rugged nylon case and neck strap. Built to last, with a lifetime limited warranty.

ADJUSTING THE BINOCULARS

First, adjust the width (interpupillary distance) of your binoculars with the central hinge, so that when

you look through them, you see a single circular image. Then focus the binocular for one eye at a time

by turning the oculars (eyepieces) until you see an equally sharp image with each eye. If more than one

person will be using the binoculars, you should mark the left and right eyepieces for your own vision to

permit quick readjustment.

ABOUT THE DIGITAL COMPASS

The built-in compass is a precision unit with a digital display which

indicates bearing in degrees, corresponding to the direction the

binoculars are pointed, as well as the compass point heading. When

using the compass, always keep in mind the local variation between

magnetic and true north. To turn on the compass display, press the

Digital Compass Marine Bino 13753 3 6/10/08 9:04:00 PM

rectangular button on the top left side of the binocular. Red illumination allows the compass display to

be read even in low light, and power automatically turns off after one minute to prolong battery life. If the

display does not come on, or the illumination becomes dim, replace the batteries (see below).





COMPASS CALIBRATION PROCEDURE

This calibration procedure will ensure that the displayed readings are accurate for the area in which the

compass will be used. The calibration should be done outdoors if possible, and with the binocular kept

at least 7 feet away from any large metal objects. Facing due north is not required for calibration.



1) After any signicant change in your location since the last calibration

2) After changing the battery, especially if a different brand is used

3) If the binocular was in direct contact with a large metal object (for example a steel table) while

the power was on (note that the power automatically shuts off after one minute, so this should not

be common)

 After turning on the compass by pressing the power button on the

top right side of the binocular, rotate the entire binocular clockwise or counter-clockwise once in a full

circle (360 degrees) along each of these three axes, in this order, returning to the starting position at

the end of each step (see the diagrams on the following page):

Step 1: Pitch (rotate 1 full cycle “end over end”, in a vertical plane up/down)

Step 2: Yaw (rotate 1 full cycle “spinning around”, in a horizontal plane left/right)

Step 3:  (rotate 1 full cycle as shown along the binocular’s center hinge axis)

Digital Compass Marine Bino 13754 4 6/10/08 9:04:00 PM

READING THE COMPASS

After completing the last rotational cycle, the compass is calibrated, and will display “0” degrees when

the binocular is pointing straight North (magnetic north), 180 degrees when pointed due South, etc.

The chart below shows the range of degrees corresponding to each of the 8 segments in the circle

to the left of the digital display, which represent common compass headings. For example, when the

compass indicates anywhere from 338 to 22 degrees, the North segment will “switch off” (become

clear) indicating that the binocular is pointed in a northerly direction.

Direction Deg. Range Direction Deg. Range

N (360/0°) 338°~22° S (180°) 158°~202°

NE (45°) 23°~67° SW (225°) 203°~247°

E (90°) 68°~112° W (270°) 248°~292°

SE (135°) 113°~157° NW (315°) 293°~337°

Step 1-Pitch

(rotate 1 full cycle “end over end”,

in a vertical plane up/down)



(rotate 1 full cycle “spinning around”,

in a horizontal plane left/right)



(rotate 1 full cycle as shown along

the binocular’s center hinge axis)

CALIBRATING

THE COMPASS

Display example

(Due South)

Digital Compass Marine Bino 13755 5 6/10/08 9:04:00 PM

1) To measure distance when the height is known:





2) To measure object height when the distance is known:



1000

HOW TO USE THE RETICLE

The vertical scale (reticle) visible through the left half of the binocular, above the compass display,

allows you to calculate distance to an object if you know its height, or to calculate the height of an

object if you know its distance from you. Each mark on the vertical scale has a value of 5 MIL (1 Mil is

equivalent to an angle that can determine an object one meter in height at a distance of 1000 meters).

Therefore, if a navigation chart gives the height of an object, by sighting on it and counting the number

of MILs, you can determine how far away it is. Here are the two formulas (note use of metric units):

Ranging

Reticle





Digital Compass Marine Bino 13756 6 6/10/08 9:04:01 PM

HOW TO CHANGE THE BATTERIES

To change the battery, use a coin to remove the battery compartment cover by turning it counter-

clockwise, until the “unlocked” icon and white dot on the cover line up with the dot on the

binocular. Set the cover aside and remove the battery. Note the “+” and “-“ polarity markings on

the battery. Be sure to insert the new battery correctly, in the same direction as shown on the

sticker inside the battery compartment, with the “+” (positive) terminal going in rst so it is at the

bottom of the compartment, and the “-“ negative end facing the battery cover. Replace the battery

cover with the “unlocked” icon and two dots lined up again, then turn it (with ngers or a coin)

until the “locked” icon lines up with the dot on the binocular. The battery should be taken out if the

binoculars will not be used for a long time. Batteries left in the binocular for prolonged periods of

time without being used may leak and cause damage to the binocular. After replacing the battery,

be sure to follow the calibration procedure for the digital compass.

B

Cover

Unlocked

Cover

Locked

Polarity

Sticker

Digital Compass Marine Bino 13757 7 6/10/08 9:04:02 PM

IMPORTANT NOTE











Binocular Speciﬁcations Compass Speciﬁcations

Magniﬁcation 7x Azimuth

Accuracy

-3~+3 degrees

Objective Lens 50 mm Azimuth Range 0~359 degrees

Eye Relief 17.5 mm Azimuth

Resolution

1 degree

Real Field of View 7.0 °Operating Temp -10~+55°C

Field of View

@1000 yds

367 ft. Current

Consumption

12 mA

Exit Pupil 7.1 mm Voltage Required 2.7~3.4 volts

Technical Specications

Digital Compass Marine Bino 13758 8 6/10/08 9:04:02 PM

FCC Note:

is 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. ese limits are designed to provide reasonable protection against harmful interference in a

residential installation. is 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 o 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.

· Connect the equipment into an outlet on a circuit

dierent from that to which the receiver is connected.

· Consult the dealer or an experienced radio/TV

technician for help.

Shielded interface cable must be used with the equipment in order to comply with the limits for a digital device

pursuant to Subpart B of Part 15 of FCC Rules.

Specications and designs are subject to change without any notice or obligation on the part of the manufacturer.

Digital Compass Marine Bino 13759 9 6/10/08 9:04:02 PM

NOTES

Digital Compass Marine Bino 137510 10 6/10/08 9:04:02 PM

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