GX®1 and 2 Series
Rangefinders
OPERATING INSTRUCTIONS
Table of Contents
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page.1
About.Leupold.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page.2
Accuracy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page.4
How.GX.Rangefinders.Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page.5
GX.Rangefinder.Specifications.......................................................................Page.6
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page.7
Using.Prism.Lock. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page.10
Cleaning/Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page.39
Warranty/Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page.40
1
Introduction
Congratulations!.You.have.purchased.a.Leupold® .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 .
and.employment.of.your.GX.Series.rangefinder. .To.ensure.top.performance.for . the.life.of.the.product,.please.read.these.instructions.before.operating.your . GX-1.or.GX-2..
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 . the.First.World.War.and.the.Great.Depression. .But.it.was.the.Second.World . War.that.would.forever.change.the.company. .Working.with.the.U..S. .Army .
on.a.riflescope.and.the.Navy.on.optics.for.use.aboard.ships,.the.engineers.at . Leupold® .learned.the.secrets.of.waterproofing.and.durable.construction.that . would.completely.change.the.world.of.sports.optics. .
Leupold.&.Stevens,.Inc. .is.still.family-owned,.though.the.focus.has.turned.from . land.surveying.to.helping.people.across.the.globe.survey.their.environments . with.innovative,.high-performance.optics.and.accessories. .Leupold.optics.are . renowned.for.their.unchallenged.ruggedness,.absolute.waterproof.integrity, . and.their.vastly.superior.optical.quality. .A.century.of.observation.and.optical . experience.has.gone.into.every.product.we.produce,.and.we.think.the.results . are.well.worth.the.extra.effort.required.to.achieve.this.level.of.quality..
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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 . today:
“We.solemnly.promise.never.to.let.down.on.quality,.the.customer.is.entitled.to . a.square.deal..”
Markus.Friederich
“Fred”.Leupold
Accuracy
The.ranging.accuracy.of.the.GX.series.of.rangefinders.is.+/-.one.yard/meter. .The . maximum.effective.range.depends.upon.a.number.of.factors.including.lighting . conditions.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.750.yards.can.be.obtained. .
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Maximum Range |
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Condition |
GX-1 |
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GX-2 |
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Reflective Target (yd/m) |
750/675 |
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750/675 |
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Trees (yd/m) |
600/550 |
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600/550 |
Pin (yd/m) |
400/365 |
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400/365 |
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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 . distance.instantaneously.by.measuring.the.time.it.takes.for.each.pulse.to.travel . from.the.GX.rangefinder.to.the.object.and.back..
Surface.texture,.color,.size,.and.shape.of.the.target.all.affect.reflectivity,.which . in.turn.affects.the.maximum.range.of.the.instrument. .As.a.rule.of.thumb, . brightly.colored.targets.are.much.more.reflective.than.darker.targets,.with . black.being.the.least.reflective.color. .A.shiny.surface.is.more.reflective.than .
a.dull.surface. .Smaller.targets.are.more.difficult.to.range.than.larger.targets. .
Light.conditions,.haze,.fog,.rain,.and.other.environmental.conditions.can.all . affect.ranging.performance. .Any.factor.which.degrades.air.clarity.will.reduce . the.maximum.effective.range. .Bright.light.shining.directly.on.the.lenses.reduces.the.effectiveness,.producing.shorter.maximum.ranges.than.those.possible.on .. darker.(overcast).days. .The.steadier.the.GX.unit.is.held,.the.greater.the . .
maximum.distance..
Specification
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..
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GX-1 |
GX-2 |
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Magnification |
6x |
6x |
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Inclinometer |
No |
Yes |
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TGR™ (True Golf Range™) |
No |
Yes |
7 Selectable Aiming Reticles |
Yes |
Yes |
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Quick Set Menu |
Yes |
Yes |
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Line of Sight Distance |
Yes |
Yes |
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Yards/Meters |
Yes |
Yes |
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Fog Mode |
Yes |
Yes |
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Prism Lock |
Yes |
Yes |
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Scan Mode |
Yes |
Yes |
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Battery Life |
>2000 Accutations |
>2000 Accutations |
Weight |
6.8 oz |
6.8 oz |
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Dimension (Inches) |
4" x 2.75" x 1.5" |
4" x 2.75" x 1.5" |
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Low Battery Indicator |
Yes |
Yes |
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Warranty |
1 Year |
1 Year |
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Weatherproof |
Yes |
Yes |
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7 |
Operation |
Quick .Set .Menu™ |
B |
U |
L |
C |
*GX-2.display.shown.with.all.possible.modes.visible |
GX-1.&.GX-2
Mode 
Power
Focus
I - X G
Battery 
The.GX-1.and.GX-2.have.two.buttons:.POWER.and.MODE. .When.you.initially .
s
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from.other.potential.targets.in.the.distance.behind.the.pin. .When.you.press . and.hold.the.MODE.button.for.1.second,.the.Quick.Set.MunuTM.is.prepared.for . navigation. .To.set.or.activate.a.mode,.you.must.advance.to.that.function.by . pressing.the.MODE.button.until.that.function.is.displayed. .To.activate.a.mode, . press.the.POWER.button,.the.icon.will.display.steadily.and.the.word.“ON”.will . appear.in.the.bottom.portion.of.the.display. .Pressing.the.POWER.button.again . will.turn.that.mode.off;.displaying.the.word.“OFF”.in.the.bottom.portion.of . the.display.E.each.subsequent.depression.of.the.POWER.button.will.toggle.that . function.between.on.and.off. .If.this.is.the.last.mode.to.be.set,.allowing.the . rangefinder.to.sit.idle.for.20.seconds.will.cause.an.automatic.power-off,.saving . all.selections. .If.additional.modes.require.activation/deactivation,.simply.press . MODE.to.continue.through.the.Quick.Set.Menu. .
Using Prism Lock
Many.courses.have.highly.reflective.prisms .
included.in.key.course.features. .These.prisms . provide. .your.GX.rangefinder.with.an.extremely . intense.return.signal,.allowing.it.to.lock.onto . the.prism.quickly.and.provide.instant.feedback . that.you.have.accurately.ranged.the.intended . target. . .When.using.scan.mode.to.range.a.course . feature.with.integral.prisms,.your.GX.range-
finder.will.produce.an.audible.beep.and.the .
lock.icon.will.be.shown.in.the.lower.left.portion.of.the.display. .Prism.Lock . is.always.activated.and.will.automatically.detect.the.presence.of.prisms .
in.course.features.when.scanning.at.a.distance.of.25.yards.or.greater. |
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NOTE:.Prism lock is only active when in scan mode. |
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Function .1: .Fog .Mode
The.Fog.Mode.can.be.used.in.foggy/rainy.conditions.to.screen.out.false.read-
ings.from.raindrops.or.other.atmospheric.interference.to.provide.an.accurate .
range..
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When.entering.the.Quick.Set.Menu,.Fog.Mode.is . the.first.mode.encountered. .The.word.“Fog”.will . appear.in.the.upper.display.and.the.lower.display . will.show.whether.it.is.on.or.off. .Press.POWER.to . toggle.Fog.Mode.on.and.off. .Press.MODE.to.save . your.selection.and.move.on.to.the.next.function..
How.do.I.activate.Fog.Mode?
1).Press.POWER.to.activate.the.rangefinder..
2).Press.and.hold.MODE.for.at.least.1.second.to.enter.the.Quick.Set.Menu;.the . word.“Fog”.will.now.appear.in.the.upper.display..
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 . 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 . icon.is.flashing..
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