Bushnell 20 5105 User Manual

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Model: 205105/205106 Lit. #: 98-1342/12-08











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Congratulations on your purchase of the Bushnell® Pro1600 Laser Rangefinder, our top of the line laser rangefinder for golfers and used by more golf professionals than any other brand. The Pro1600 is a precision Laser Rangefinding optical instrument designed to provide many years of enjoyment. This booklet will help you achieve optimum performance by explaining its adjustments and features as well as how to care for this precise laser rangefinding optical instrument. To ensure optimal performance and longevity, please read these instructions before using your Pro1600.










with RainGuard® HD




Rubber Armored &







100% Waterproof







Mode Button




Objective and




Laser Transmit




Lens with


Tripod Mount

RainGuard® HD








Laser Receiver


Battery Compartment



Your Bushnell® Pro1600 is an advanced premium laser rangefinder comprised of Digital Technology allowing range readings from5-1600yards /5-1463meters.Measuring 1.7 x 5.1 x 3.7 inches, the12-ouncePro1600 delivers superb and accurate range performance to +/- one yard. The Pro1600 features Selective Targeting™ Modes, Superb

Optical Quality, 100% Waterproof Construction, and Bushnell’s RainGuard® HD coating.


The Pro1600 emits invisible, eye safe, infrared energy pulses. The Pro1600’s Advanced Digital microprocessor and ASIC chip(Application-SpecificIntegrated Circuit) results in instantaneous and accurate readings every time. Sophisticated digital technology instantaneously calculates distances by measuring the time it takes for each pulse to

travel from the rangefinder, to the target, and back.


The ranging accuracy of the Pro1600 is plus or minus one yard / meter under most circumstances. The maximum range of the instrument depends on the reflectivity of the target. The maximum distance for most objects is 1000 yards / 914 meters while for highly reflective objects the maximum is 1600 yards / 1463 meters. Note: You will get both longer and shorter maximum distances depending on the reflective properties of the particular target and the environmental conditions at the time the distance of an object is being measured.

The color, surface finish, size and shape of the target all affect reflectivity and range. The brighter the color, the longer the range. Red is highly reflective, for example, and allows longer ranges than the color black, which is the least reflective color. A shiny finish provides more range than a dull one. A small target is more difficult to range than a larger target. The angle to the target also has an effect. Shooting to a target at a 90 degree angle (where the target

surface is perpendicular to the flight path of the emitted energy pulses) provides good range while a steep angle on the other hand, provides limited ranging. In addition, lighting conditions (e.g. the amount of sunlight) will affect


the ranging capabilities of the unit. The less light (e.g. overcast skies) the farther the unit’s maximum range will be. Conversely, very sunny days will decrease the unit’s maximum range.



First slide the door toward outside. The hinged door can now be opened. Insert one 9-voltalkaline battery into the slot as indicated, then close the battery door and slide until it locks in to place. The battery slot was designed to only accept the battery in the correct position. Therefore, if you are not able to close the batter door, check to ensure that the battery has been installed correctly.

NOTE: Use only high quality alkaline batteries. Do not use heavy duty or lithium batteries. It is recommended that the battery be replaced at least once every 12 months.

Low Battery Indicator: If the Y (Yards) or M (Meters) indicator blinks continuously or “loB” is displayed within theIn-viewreadout, the battery charge is getting low and the9-voltalkaline battery should be replaced.


Your Pro1600 is constructed with atwist-upeyepiece designed4 for comfort and to exclude extraneous light. For users without

eyeglasses, rotate the eyecup counter clockwise while pulling up until it locks into the fully “up” position. The Pro1600 provides extra longeye-relief.If you wear glasses, make sure the eyecup is in the down position as this will bring your eye closer the eyepiece lens allowing you to see a full field of view. To lower the eyecup from the full “up” position, rotate clockwise while pushing down slightly. It is also possible to set the eyecup to positions “in between”, fully up and full down, which may suit some individuals better.

The Pro1600 is also equipped with an adjustable eyepiece (+/- 2 Diopter Adjustment) that allows one to focus the LCD display relative to the image. Simply rotate the diopter setting until the LCD is in focus.


While looking through the 7x eyepiece, depress the power button once to activate the in-viewLiquid Crystal Display (LCD). Place the aiming circle (located in the center of the field of view) upon a target at least 5 yards away, depress and hold the power button down until the range reading is displayed near the bottom of thein-viewdisplay. Crosshairs surrounding the aiming circle indicate that the laser is being transmitted. Once a range has been acquired, you can release the power button. The crosshairs surrounding the aiming circle will disappear once the power button has been released (i.e. the laser is no longer being transmitted). Note: Once activated, the Pro1600’s LCD will remain active and display the last distance measurement for 30 seconds. You can depress the power button again at any time to distance to a new target. As with any laser device, it is not recommended to directly view the emissions for long periods of time with magnified lenses. The maximum time the laser is transmitted (fired) is 10 seconds. Tore-fire,press the button down again.


Your Pro1600’s LCD incorporates illuminated indicators that advise the user unit of measure, when the laser is actively firing, when a target has been acquired, and targeting modes. A summary of these features is presented below:



The Pro1600 can be used to measure distances in yards or meters. The unit of measure indicators are located in the lower right portion of the LCD. To select between yards and meters, quickly press and release the POWER button to turn on the unit (on top of the unit), look through the eyepiece, depress the “MODE” button (left side of the eyepiece) and hold it down for approximately 5 seconds. If you are changing from yards to meters, a change in unit of measure will be indicated by the illumination of the M for meter indicator while the Y for Yard indicator is turned off. If you are changing from meters to yards, the opposite will occur. The Pro1600 will return to the last unit of measure setting used each time the unit is turned on.


Crosshairs surrounding the aiming circle indicate that the laser is being transmitted. Once a range has been acquired, you can release the power button. The crosshairs surrounding the circle will disappear once the power button has been released (i.e. the laser is no longer being transmitted).


The Pro1600 was especially designed with golfers in mind. The selective targeting modes allow you to adjust the performance parameters of the unit to suit your specific situation and environment. To move from one mode to another, press the POWER button once to turn on the unit. While looking through the eyepiece, press the MODE button and quickly release. The different targeting modes available and mode indicators are listed below:

PinSeeker (LCD Indicator -) Ever have trouble getting distance to the flag? This advanced mode allows easy acquisition of the flag without inadvertently getting distances to background targets (i.e. trees) that have stronger signal strength.


Once in this mode, press the POWER button to turn the unit on. Next, align the aiming circle reticle onto the flag that you want distance to. Next, press and hold the POWER button and move the laser slowly over the flag or desired object until a circle surrounds the flag indicator. If the laser beam recognized more than one object (i.e. flag and background trees), distance of the flag will be displayed and a circle will surround the PinSeeker indicator informing the user that distance to the flag (i.e. closer object) is being displayed in the LCD (as seen below). There may be times when only the laser beam only sees one object in its path. In this case, the distance will be displayed, but because more than one object was not acquired, a circle will not surround the flag indicator.

TIP: While pressing the POWER button, you can move the device slowly from object to object and intentionally force the laser to hit multiple objects to ensure that you are only displaying the closest of the objects recognized by the laser.

Once the device has shut off, the unit will always default back to the last mode used.


PinSeeker with Slope +/-™ (LCD Indicator - ˚ ) This advanced mode will be found only on model20-5106(Pro1600 with Slope+/-™).Model20-5106features abuilt-inaccelerometer-basedinclinometer that digitally displays the exact slope angle from-20to +20 degrees of elevation and is +/- 1.0 degree accurate. The Slope+/-™mode will automatically compute an angle compensated range based upon distance and slope angle determined by the laser rangefinder andbuilt-ininclinometer. This data is then combined with internal algorithmic formulas dealing with average club use and ball trajectories. The angle compensated range provides direction on how to play the shot (i.e. add distance if an incline, subtract distance if a decline).

How to use Slope +/-™

Once in this mode, you will see a “ °” in the field of view informing you that you are in the Slope +/- Mode. Press the POWER button to obtain distance to the flag or other objects. Once the range is displayed, continue to hold the POWER button down for approximately 2 seconds while holding the aiming circle on the flag and keeping the unit as steady as possible so as to allow the inclinometer enough time to measure slope. Then release the POWER button. Once you have released the power button, a degree of angle and compensated range will be displayed beneath the standard distance as seen below.

In this example, the true distance is 162 yards, slope is +4 degrees, and the compensated range is 173 yards. The “” symbol means“Play-As”,so instead of playing as 162 yards,“play-as”173 yards.