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Instruction Manual

Model: 137570

Binoculars

with

Digital
Compass

lit. #: 98-1192/08-12

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Summary of Contents for 137570

Page 1: ...Instruction Manual Model 137570 Binoculars with Digital Compass Lit 98 1192 08 12 ...

Page 2: ...2 Compass Power Switch Battery Cover Tripod Attachment Socket Cover Left Eyepiece Focus Right Eyepiece Focus Parts Reference ...

Page 3: ...cellent light transmission along with a UV reducing lens coating and internal UV filter 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...

Page 4: ...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 TO CALIBRATE THE COMPASS After turning on the compass by pressing the powe...

Page 5: ...en 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 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 Roll rotate 1 full cycle as shown along the binocular s center hinge ...

Page 6: ...as 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 the use of metric units x 1000 m Distance in meters Object height in meters 260 270 280 26...

Page 7: ...h fingers 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 Battery Requirem...

Page 8: ...hange in temperature Technical Specifications Binocular Specifications Magnification 7x Objective Lens 50 mm Eye Relief 17 5 mm Real Field ofView 7 0 Field ofView 1000 yds 367 ft Exit Pupil 7 1 mm Compass Specifications Azimuth Accuracy 3 3 degrees Azimuth Range 0 359 degrees Azimuth Resolution 1 degree OperatingTemp 10 55 C Current Consumption 12 mA Voltage Required 2 7 3 4 volts Tilt Sensor Spec...

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