Bushnell 71-3510 User Manual download pdf (Page 2)

ENGLISH

USING THE BDC DIALS WITH YOUR BANNER RIFLESCOPE

1. SIGHT-IN YOUR RIFLE AT THE RANGE WITH THE BDC SCOPE (71-3510 and 71-3946)

A. With the riescope mounted on the rie, remove the elevation cap. If there is a BDC dial in place of the cap,

remove the screw and dial using a coin (see Fig A and Fig A). (Grasp the knurled section at the top of the BDC

dial, (Fig A, Part # 2), and lift upward, disengaging the dial from the elevation adjustment).

B. Sight-in your rie, ring a group of at least three shots at a 100 yard target (for sighting in at another range,

see note below). Note the point of impact in relation to the center of the target. Using a coin inserted in the

top of the elevation adjustment, (Fig C, Part #3), turn the adjustment the required number of clicks to make

the necessary point of impact move. Make appropriate adjustments to the windage knob to bring the point of

impact to the center of the target. Fire another group to see if the proper adjustment has been made. Repeat

as necessary until the center of the group is in the center of the target.

2. SELECT AND INSTALL THE DIAL

Once the rie is zeroed-in, select and install the proper BDC dial for your caliber and bullet weight in the following

manner:

A. From the Dial Chart select the proper dial for use with your caliber and bullet weight combination. The

3-9x40 scope (model# 713946) comes with 10 interchangeable, calibrated dials and one blank dial. The

3.5-10x36 scope (model# 713510) comes with 5 interchangeable, calibrated dials and one blank dial. The

blank dial has a special surface which allows you to make your own distance markings for any cartridge

not included on the full Dial Chart. Due to the wide amount of cartridges which are available, we have only

included a few of the most popular ones in this guide. The full Dial Chart is available at:

http://www.bushnell.com/customer_service/manuals/riescopes/BannerBDCDialChartFullList.pdf

B. Once you have selected the proper dial, install it in the reverse order of Fig A and B, being careful to align

the 100 yd mark with the tick mark below the window on the elevation control (see Fig D). Tighten the screw

making sure you have not rotated the knob and that it is still on 100 yds.

3. USING THE BDC RIFLESCOPE

The BDC dial (bullet drop compensator) automatically adjusts elevation to take into account bullet hold over for

distances beyond the sight-in distance. Once you know the distance to the target adjust the BDC dial to that

distance. You have now corrected for bullet drop.

SPECIAL NOTES:

1. If you are using special or wildcat loads not covered by the Chart, it will be necessary to sight-in your scope by

following the sight-in procedure above. The desired point of impact at a given distance will have to be determined

by actual ring until zero-in is achieved. Using the blank BDC dial, mark the desired distance in yards or meters

on the dial with an indelible pen. Each increment or change in distance will have to be determined by the same

sight-in procedure. Reinstall the retaining screw (Part #1) and tighten securely. The rie and scope are now ready

for eld use. As long as the same (or a ballistically identical) cartridge is used, you may re at any distance without

hold-over up to the distance indicated on the dial, simply by turning the dial until that distance marking is centered

in the clear window.

2. Sighting in at a range dierent than 100 yds – although the dials are set to a 100 yd sight-in, it is still possible

to use them with a dierent sight-in distance. For example, suppose you would like to sight-in at a distance of

200 yds. Proceed as outlined above using a 200 yd distance. When you install the BDC dial, put the dial on the 200

yd mark instead of the 100 yd mark.

3. Model 71-3510 only – although the scope can be used for any caliber, it is ideal for the 17 caliber loads. A

special chart has been included for the 17 caliber loads.

Fig. D

Fig. C

Part #3

Fig. B

Part #2

Part #3

Fig. A

Part #1

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Bushnell 71-3510 User Manual Page 2

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