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Leupold GX-3 Operating Instructions Manual
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Leupold GX-3 Operating Instructions Manual

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GX -3 and GX -4
®
®
Rangefinders
OPERATING INSTRUCTIONS

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Do you have a question about the GX-3 and is the answer not in the manual?

Questions and answers

Roy
April 4, 2025

GX-4 quit working, battery is strong

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1 comments:
Mr. Anderson
May 14, 2025

If the Leupold GX-4 is not working despite having a strong battery, possible issues could include:

1. The unit is not powered on using the POWER button.
2. The MODE and POWER buttons may not be functioning properly.
3. The display may not be showing due to a malfunction.
4. The device may need to be reset using the Quick Set Menu.
5. Environmental conditions could be interfering with operation.

If none of these resolve the issue, the unit may require professional servicing.

This answer is automatically generated

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Summary of Contents for Leupold GX-3

  • Page 1 GX -3 and GX -4 ® ® Rangefinders OPERATING INSTRUCTIONS...

  • Page 2: Table Of Contents

    About .Leupold .& .Stevens, .Inc . . . . . . . . . . . . . . . . . . .

  • Page 3: Introduction

    .GX .Series .digital .laser . ® rangefinder .that .has .been .crafted .by .Leupold’s .engineers .and .designers .to . . be .the .best .rangefinder .on .the .market, .and .to .provide .you .with .years .of .solid . performance .on .the .course . .Following .are .instructions .detailing .the .proper .use .

  • Page 4: About Leupold & Stevens, Inc

    It’s .a .decidedly .American .story: .in .1907, .a .young .German .immigrant .named . Fred .Leupold .set .up .a .one-man .shop .at .5th .and .Oak .Streets .in .Portland, . Oregon, .repairing .optics .for .surveying .equipment . .The .small .company .survived .
  • Page 5 In .true .American .style, .the .philosophical .foundation .laid .in .our .early .years .has . served .us .well .as .we’ve .grown .and .changed .over .the .decades . .In .fact, .the .firm’s . founder .established .the .clarity .of .purpose .that .we .see .at .Leupold .& .Stevens, .Inc . . today: “We .solemnly .promise .never .to .let .down .on .quality, .the .customer .is .entitled .to .

  • Page 6: Accuracy

    .and .air .quality, .but .the .most .important .factor .is .the .reflectivity .of .the . target . .For .most .objects, .the .maximum .distance .is .600 .yards, .while .for .highly . reflective .targets, .distances .of .800 .yards .can .be .obtained . . MAXIMUM RANGE GX-3 GX-4 CONDITION Reflective Target (yd/m)
  • Page 7 How it Works The .Leupold .GX .series .of .rangefinders .emit .a .series .of .invisible, .infrared .energy . pulses .that .are .reflected .off .the .selected .target .back .to .the .optical .unit . .State- of-the-art .circuitry .and .precision .computing .circuits .are .used .to .calculate .the .
  • Page 8 The .GX .Series .of .digital .laser .rangefinders .provides .a .variety .of .useful .modes . . to .tailor .performance .to .the .conditions .you .experience .in .the .field . .Model . . features .are .identified .on .the .following .pages . GX-3 GX-4 Magnification...

  • Page 9: Operation

    Operation QUICK .SET .MENU ™ *GX-4 .display .shown .with .all .possible .modes .visible...
  • Page 10 GX-3 .& .GX-4 POWER Focus MODE Battery The .GX-3 .and .GX-4 .have .two .buttons: .POWER .and .MODE . .When .you .initially . from .other .potential .targets .behind .the .pin . .
  • Page 11 .press .MODE .to .continue .through .the .Quick .Set .Menu . . To .reset .your .GX-3 .or .GX-4 .to .factory .settings, .press .POWER .to .activate .the . unit . . .With .the .rangefinder .activated, .press .and .hold .MODE, .then .immediately .

  • Page 12: Using Prism Lock

    .Smart .Key .installed .only) .has .not .been .activated, .or .you .are .using .a . GX-3, .the .line .of .sight .distance .will .be .shown . .Prism .Lock .is .always .activated . and .will .automatically .detect .the .presence .of .prisms .in .course .features .when .
  • Page 13 FUNCTION .1: .FOG .MODE The .Fog .Mode .can .be .used .in .foggy/rainy .condi- tions .to .screen .out .false .readings .from .raindrops . or .other .atmospheric .interference .to .provide .an . accurate .range . When .entering .the .Quick .Set .Menu, .Fog .Mode .is . the .first .mode .encountered .
  • Page 14 3) .While .the .word .“Fog” .is .displayed, .press .and .release .POWER .as .necessary . until .the .word .“on” .is .displayed .in .the .lower .portion .of .the .display . 4) .To .save .the .changes .and .return .to .ranging .mode, .let .the .unit .sit .idle .for .at . least .20 .seconds .until .an .automatic .power-down .occurs, .or .simply .press .and .
  • Page 15 FUNCTION .2: .TRUE .GOLF .RANGE .(TGR) .(GX-4 .WITH .SMART . KEY .INSTALLED .ONLY) True .Golf .Range .is .an .adjusted .range .that .will .com- pensate .for .uphill .shots .that .play .long .and .downhill . shots .that .play .short . .TGR .is .calculated .from .the .line . of .sight .distance, .incline .or .decline, .current .tempera- ture .and .altitude, .and .will .display .the .adjusted .range .
  • Page 16 When .entering .the .Quick .Set .Menu, .TGR .is .the .second .mode .encountered . .TGR . will .be .shown .in .the .upper .display, .and .the .lower .display .will .show .whether .it . is .on .or .off . .Press .POWER .to .toggle .TGR .on .and .off . .Press .MODE .to .save .your . selection .and .move .on .to .the .next .function .
  • Page 17 press .and .hold .MODE .for .at .least .1 .second . .To .continue .through .the . . Quick .Set .Menu .and .manipulate .another .feature, .press .and .release . . MODE .until .the .appropriate .mode .is .displayed . . FUNCTION .3: .CURRENT .TEMPERATURE .INPUT .(GX-4 .WITH . SMART .KEY .INSTALLED .ONLY) .
  • Page 18 HOW DO I MANUALLY INPUT THE CURRENT TEMPERATURE? (GX-4 WITH SMART KEY INSTALLED ONLY) 1) . Press .POWER .to .activate .the .rangefinder . 2) . Press .and .hold .MODE .for .at .least .1 .second .to .enter .the .Quick .Set .Menu . 3) .
  • Page 19 FUNCTION .4: .ALTITUDE .INPUT .(GX-4 .WITH .SMART .KEY . INSTALLED .ONLY) Altitude .is .one .of .the .factors .used .to .determine . . TGR .ranges; .inputting .the .local .elevation/altitude . will .increase .the .accuracy .of .your .TGR .measurement . . The .default .altitude .setting .is .1000 .feet, .and .will .be . shown .in .the .lower .portion .of .the .display .
  • Page 20 3) . Verify .that .TGR .is .turned .on; .if .TGR .is .not .activated, .you .will .not .be .able . . . to .enter .the .current .temperature .or .altitude . .To .activate .TGR, .see .“How . . . do .I .activate .TGR?” .above . 4) .
  • Page 21 FUNCTION .5: .YARDS/METERS . This .mode .allows .you .to .toggle .between .yards .or .meters .for .the .measurement . output .unit . .When .set .to .yards .mode, .all .temperature . settings .will .be .in .Farenheit . . .When .set .to .meters . mode, .all .temperature .settings .will .be .in .Celsius .
  • Page 22 3) . . .Press .and .release .MODE .until .Set .Up .flashes .briefly .in .the .display, ..followed .by .the .word .Unit .shown .steadily .in .the .lower .display . 4) . . .While .the .word .Unit .is .shown .in .the .lower .display, .press .and .release . . .
  • Page 23 the .club .recommendation . .The .True .Golf .Range .will .remain .visible .in .the . upper .portion .of .the .display . . Critical .to .accurate .club .recommendations .is .the .known .striking .distance .of . the .user .with .specific .clubs . .By .inputting .the .actual .distance .obtained .with .a . few .clubs, .a .specialized .algorithm .accurately .determines .the .distance .obtained .
  • Page 24 Club .Selector .will .be .able .to .adjust .the .recommended .iron .according .to .the . current .conditions . . NOTE: .Though we strongly recommend inputting the specific distances obtained with each of the irons mentioned above, the specialized algorithms used by the GX-4 will make logical assumptions about the remaining club(s) if specific distances are not known for one or more of the remaining clubs.
  • Page 25 When .your .selection .is .shown .in .the .lower .numeric .display, .press .MODE .to .save . your .selection .and .move .on .to .the .6-iron . . The .6-iron .indicator .will .be .shown .in .the .upper .display, . and .the .last .saved .distance .will .be .shown .in .the .lower . display .
  • Page 26 Pressing .POWER .will .increment .through .a .range .of .100 .yards .to .240 .yards .in . 5-yard/meter .increments . .When .your .selection .is .shown .in .the .lower .numeric . display, .press .MODE .to .save .your .selection .and .move .on .to .the .temperature . input .(the .temperature .at .which .these .distances .were .measured) .
  • Page 27 increment .through .a .range .of .30 .degrees .to .120 .degrees .F .in .5 .degree .incre- ments . .When .the .appropriate .temperature .is .displayed, .press .MODE .to .save . your .selection .and .move .on .to .the .altitude .input . The .last .saved .altitude .will .be .flashing .in .the .bottom . portion .of .the .display .
  • Page 28 HOW DO I INPUT THE STRIKING DISTANCE OF THE 8, 6 AND 4-IRON? (GX-4 WITH SMART KEY INSTALLED ONLY) NOTE: .Though we strongly recommend inputting the specific distances obtained with each of the irons mentioned above, the specialized algorithms used by the GX-4 will make logical assumptions about the remaining club(s) if specific distances are not known for one or more of the remaining clubs.
  • Page 29 2) . Press .POWER .to .set .the .distance .obtained .with .your .8-iron . .Each . depression .of .POWER .will .increase .the .distance .associated .with .your . 8-iron .shot .in .5-yard/meter .increments .beginning .with .the .last .saved . . distance, .until .200 .yards .has .been .reached . .Once .200 .yards .has .been . . reached, .it .will .reset .to .60 .yards, .and .start .over .again .
  • Page 30 shown .distance .for .your .4-iron, .let .the .unit .sit .idle .for .at .least .20 .seconds . until .an .automatic .power-down .occurs, .or .simply .press .and .hold .MODE . . for .at .least .1 .second . .To .continue .through .the .Quick .Set .Menu .and . . manipulate .another .feature, .press .and .release .MODE .until .the .
  • Page 31 HOW DO I INPUT THE TEMPERATURE AND ALTITUDE AT WHICH THE STRIKING DISTANCE FOR EACH CLUB WAS MEASURED? (GX-4 WITH SMART KEY INSTALLED ONLY) The .procedure .for .inputting .the .temperature .and .alti- tude .at .which .each .striking .distance .was .measured .begins . immediately .after .choosing .between .yards .or .meters .as .
  • Page 32 When .the .appropriate .temperature .is .displayed, .press .MODE .to .save ..your .selection .and .move .on .to .the .altitude .input . 3) . The .last .saved .altitude .will .be .flashing .in .the .bot- ..tom .portion .of .the .display . .If .you .wish .to .input .an . .
  • Page 33 4) . Press .POWER .to .begin .incrementing .through .the .altitude .settings ..The .default .setting .is .1000 .feet . .Pressing .POWER .will .increment ..through .a .range .of .0 .feet .to .9,999 .feet .in .500 .foot .increments . . .
  • Page 34 FUNCTION .7: .SELECTABLE .RETICLES Bracket .Circle Bracket .Circle .Duplex...
  • Page 35 6) . . .Since .this .is .the .last .mode .in .the .Quick .Set .Menu, .simply .press .and ..release .MODE .to .save .all .changes .and .return .to .ranging .mode .
  • Page 36 HOW DO I ACTIVATE THE INCLINOMETER? (GX-4 WITH SMART KEY INSTALLED ONLY) (GX-4 WITH SMART KEY INSTALLED ONLY) Yes, .TGR .can .be .used .without .entering .the .Club .Selector .values, .it .will .sim- ply .use .the .default .settings .appropriate .for .the .average .player . . .Entering . your .specific .values .will .improve .accuracy .up .to .one .club .length .

  • Page 38: Cleaning/Maintenance

    .on .the .Leupold .LensPen) . .To .remove .fingerprints, .water .spots .or .tougher . dirt, .use .a .soft .cotton .cloth .or .the .cleaning .end .of .the .Leupold .LensPen . .A .lens . tissue .with .lens .cleaning .fluid .may .be .used .for .more .stubborn .dirt . .Always .

  • Page 39: Warranty/Repair

    Warranty/Repair Your .Leupold .GX .Series .digital .laser .rangefinder .is .warranted .by .the .Leupold . Green .Ring .Electronics .Warranty, .and .is .protected .from .defects .in .materials . ™ and .workmanship .for .one .year .from .the .date .of .purchase . .In .event .of .a .need .
  • Page 40 SYSTEM; CASCADES; CIRCLE PLEX; CQ/T; DARK EARTH; DUPLEX; ER/T; GOLDEN RING AND THE GOLDEN RING DESIGN; GX; INDEX MATCHED LENS SYSTEM; KATMAI; THE L DESIGN AND MEDALLION; LEUPOLD; LPS; LR/T; LR DUPLEX; LRV DUPLEX; LX; MADE RIGHT, MADE HERE; MARK 4; MATCH 13; MOJAVE; MR/T; MULTICOAT 4; MX; NORTHFORK; PERFORMANCE STARTS ON THE INSIDE;...
  • Page 41 This publication may not be reprinted or otherwise reproduced without the expressed written consent of Leupold & Stevens, Inc. Copyright © 2010 Leupold & Stevens, Inc. All rights reserved.
  • Page 42 Part # 110159 Artwork # 110160...

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