Bushnell Speedster III

Congratulations on the purchase of your Bushnell® Speedster™ III. The Speedster III is a precision speed

radar instrument. These instructions will help you achieve optimum performance by explaining the

features and adjustments of this precise speed measuring instrument. To ensure optimal performance

and longevity, please read these instructions before using your Bushnell Speedster III.

INTRODUCTION

Your Bushnell Speedster III uses digital technology to provide instantaneous speed measurements to +/-

one mile-per-hour (MPH) accuracy. The Bushnell Speedster III is an easy to use, point and shoot radar

gun for all kinds of sports enthusiasts. The Bushnell Speedster III can measure the speed of a baseball/

softball at 10-110 MPH from up to 90 feet away from the ball, and the speed of a race car from 10-

200 MPH from up to 1,500 feet away.

BATTERY INSTALLATION

Your Bushnell Speedster III operates on two “C” size alkaline batteries. To install, remove the battery

cover by rotating the battery cap counterclockwise. Insert both batteries positive end fifirst and replace

cap by depressing and rotating clockwise.

HOW TO USE

1. Turn the Speedster III “ON” by pressing the power button on the back of the unit, underneath

the LCD display.

2. Aim the Speedster at your target, then press and release the trigger button on the handle once. A

“radar” icon ( ) will appear in the upper right hand side of the LCD display, and the Speedster will

start reading the current speed of whatever it is pointed at, updating the display constantly as the

target’s speed changes. For best results with maximum accuracy, keep your target’s direction of travel

in a direct line to you (moving straight towards or away from) and not perpendicular (at an angle) to

you. Press and release the trigger again when you are fifinished measuring the speed of your target.

The radar icon is no longer shown on the display, and the display indicates the highest speed that was

measured between the fifirst and second press of the trigger. To check the speed of the target again

(or after aiming at a new target), repeat the process.

3. Turn the Speedster “OFF” by pressing the power button underneath the LCD Display for 3 seconds

or until display shuts off.

NOTE: The Speedster has an automatic shut-off feature to extend battery life. After 10 minutes of

inactivity, the Speedster will automatically power off.

When a battery symbol appears on the lower right hand corner of the display, this indicates that

battery voltage is low and new batteries should be inserted. Remove the batteries when storing your

Speedster for a long period.

TARGET SPEED ACQUISITION

A target can be anything that is moving faster than 10 MPH. To acquire the speed of a target, with

the Speedster III powered on, aim the Speedster III at the target and depress the trigger. An icon will

appear in the upper right corner of the LCD display. This indicates the Doppler Radar is functioning.

The radar will continue to be active searching for speed until the trigger is released. Upon release of

the trigger, the fastest speed captured within that series will automatically be displayed. The speed of

the target will appear on the LCD display in MPH.

There are certain mathematical properties of Doppler Radar that affect the accuracy of your Bushnell

Speedster III. Please read “COSINE EFFECT ON TARGET VELOCITY” below. To ensure optimum

accuracy, remember to keep your targets direction of travel in a direct line with you, and not

perpendicular.