C o n g r a t u l a t i o n s
On your purchase of the Sports Radar
Tracer
radar gun, a
precision training instrument designed to provide years of service.
Made in the USA, the
Tracer
will track the speed of almost
anything that moves. This manual will guide you to insure optimal
performance and satisfaction using your Tracer radar gun.
INTRODUCTION:
The Sports Radar
Tracer
Pro radar gun is a microprocessor based
computing device that uses a low power doppler radar transceiver. The
radar gun sends out a signal, which bounces off the object you are tracking
and is reflected back to the radar gun. A mixer provides the difference in
the frequencies of the original sent signal and the reflected signal that
bounced off the object. From this difference signal, which is proportional to
the speed of the object, a microprocessor calculates speed and displays it
in miles per hour (MPH) or kilometers per hour (Km/H).
If you have any questions or experience any difficulty operating your
Sports Radar product, contact Sports Radar Ltd directly.
All warranty information is located at our offices, therefore it is important
that you contact us, not your retailer. Sports Radar products are thoroughly
tested and inspected prior to shipment, and most issues can be resolved
with a phone call. However mishaps do occur, so be sure to fill out and
return the warranty card, as any product return is subject to verification of
proper return authorization. Information and authorization number may be
obtained by writing or calling our offices, or log on to
www.sportsradargun.com
and fill out an RMA request.
Sports Radar Ltd.
7397 S. Suncoast Blvd.
Homosassa, Florida, 34446
352-503-6825
http://www.sportsradargun.com
Email: Info@sportsradargun.com
℡
Battery Installation:
The Tracer uses six standard
AAA size batteries. To install
batteries, hold the Tracer up-
side-down and release the
battery door. Install 3 batteries
in each side making sure the
battery polarity is as shown
on the battery door.
NOTE: If a battery is inserted in reverse polarity the battery
life will appear to be short. Therefore if the low battery
indicator turns on prematurely, you can remove the batteries
and re-install making sure the polarity is correct.
If 2 batteries are reversed, the power will not turn on.
QUICK START
With batteries installed, power up by pressing the PWR/MODE button, the
beeper will sound and display shows 0. The power up default modes are
MPH and Trigger mode (the MPH and TRIGGER indicators are on). If you
want Km/h, hold the trigger down and power up. You are ready to take a
speed reading, just point at the target and pull the trigger! To turn the
Tracer off, press and hold the PWR/MODE button for about 3 seconds,
when the display starts counting down, you can release the button. The
Tracer has an auto shut down feature that will automatically shut the radar
gun off in about 15 minutes if not used.
REGISTERING A SPEED
To take a reading in the
trigger mode
, point the Tracer in the line of the
target travel and squeeze the trigger, the READING indicator displays and
the display blanks. When a speed is displayed, release the trigger. Note that
a speed may be displayed
after
trigger release. This happens when a
qualified speed has been recorded but the target speed is increasing and
still being tracked. An increasing speed can be caused by a decreasing
cosine error which is typical when the target is moving away. The displayed
speed will remain in the display until the trigger is again pulled. If a speed
was not recorded when the trigger is released, the display will show “0”. In
the
continuous mode
, the Tracer will automatically take a reading and
display the speed when a target is present. After a reading is taken the
Tracer will not take another reading for about 3 seconds, unless in the
Quick Read mode, which can display about 3 speeds per second.
TIPS on USING THE TRACER
The Tracer will register the speed of almost anything that is moving at a
uniform speed within range. The target can be either moving towards, or
away from the Tracer. For best accuracy the target should be traveling
directly towards or away from the gun. See Best Performance on page 7 for
errors due to the Cosine angle from this direct line of target travel.
Range
is mostly dependant on the size, shape and material of the target.
In general, large solid objects like an automobile will have a range over
1500 feet, and small objects like a baseball have a range of up to 130 feet
(with F1 filter setting).
Undesired readings
There are many causes of undesired readings
(called NOISE), and understanding what the radar interprets as a speed will
help you avoid undesired readings. Anything that moves or vibrates can be
noise to the Doppler radar. If the noise is constant, for a minimal period of
time, the Tracer
will
display an associated speed. Noise sources include:
Automobile passing in the background, a runner between bases, a fan
blade spinning, a motor turning, a power pole transformer vibrating, a
fluorescent light or a computer monitor. Out-doors is typically a lower noise
environment, in-doors typically has more noise sources. In general, if you
can see it moving or hear it vibrate the radar can detect it. You may be able
to locate the source, reposition the source or the radar gun and eliminate
the problem. In addition, you can use the Noise Filter setting at a tradeoff
with range as described on page 5.
COSINE ANGLE,
see chart for speed errors
based on this angle
Top view for typical “right
handed” pitcher. For left
handed pitch, move Tracer
to be in the line of the ball
travel (over left shoulder)
COSINE ERROR CHART: The speed registered by the radar gun will be
less than the actual speed by the cosine of the angle depicted above.
Cosine angle
Cosine factor
Cosine angle
Cosine factor
5 degrees
0.996
30 degrees
0.866
10 degrees
0.985
35 degrees
0.819
15 degrees
0.966
40 degrees*
0.766
20 degrees
0.940
45 degrees
0.707
25 degrees
0.906
50 degrees
0.642
* This is the approximate cosine angle depicted, an actual target speed of
100MPH would be displayed as 77MPH.
FCC ID JPFSRA3000
This device complies with FCC part 15 rules. Operation of this device is
subject to the following 2 conditions:
1.
This device may not cause harmful interference.
2.
This device must accept any interference that may cause
undesired operation.
GETTING STARTED
-
+
Follow polarity
indicators on
battery door
2
7
6
3
Best Performance
is achieved when target is moving in the
direct line of the radar gun. Target can be either coming towards or
moving away from the Tracer Radar gun
