Marshall Radio Telemetry Turbo User manual

© 2012 Marshall Radio Telemetry, Inc. Rev. March 2018
Turbo USER GUIDE
US/EU Version
Introduction
Congratulations on your purchase of a Marshall Turbo Transmitter,
the most powerful and rugged falconry transmitter ever produced.
Truly the best in the world! Now with the added benefit of a full color
LED light to show how the Turbo is operating. Designed to efficiently
use the battery, the Turbo varies its output power (range) to best
match the conditions of recovering your falcon
Operating Modes:
The Turbo transmitter is designed give the best range possible while hunting, but it is also able to reduce power to
preserve battery life if your falcon is lost for an extended time. To the best balance of Range and Run-time, the Turbo
starts out in Standard Power Mode for 1 hour (for when your bird is overhead), then, if the flight continues (tail chase
scenario), the Turbo power mode will activate (Blue) and will transmit at full Turbo power for 12 hours. After the 12
hours, the Turbo reduces its power (still as strong as an RT Standard) to provide 5 full days of tracking. The LED light on
the side of the Turbo indicates what mode the transmitter is in.
…. Blue LED - Turbo Power Mode - maximum range (up to 2x the range of the RT Standard). Turbo mode lasts for 12
hours (with a fresh battery)
…. Green LED –Standard Power Mode.While in this mode, the range still better than an RT Standard
.…(and double beep) –Change Battery. The battery is getting low (2-3 days remaining)
…. Red LED (and triple beep) –Battery almost dead, you have less than 1 day remaining
Note: the LED light is the latest technology and is super-efficient, it uses less than 1% of the transmitter’s power.
Tap On /Tap Off™ Magnetic Switch
The Turbo uses Marshall’s unique tap on/ tap off magnetic switch to turn the transmitter on and
off. The status of the transmitter is then indicated by the color of the LED light.
When switched off with the magnet, the LED will flash slowly in …Violet. This indicates that the
transmitter has a battery installed and is sleeping.
Note: If you lose your magnet, or prefer to use your transmitter without this feature, the Turbo can be switched on
and off by simply removing the battery.
Battery:The Turbo uses the same 1/3N Lithium Photo Battery proven by falconers for years. We recommend the
Duracell DL1/3N.
Battery is installed positive side inside the lid (positive side is marked with a “+”). When installing
battery, screw the lid down finger tight. Circular battery spring exerts back-pressure onto the lid
preventing it from unscrewing. As soon as the battery is installed transmitter will begin running.
Note: If the transmitter does not start blinking blue when a new battery has been installed, simply use the
magnetic wand to switch it on.

© 2012 Marshall Radio Telemetry, Inc. Rev. March 2018
Rechargeable Batteries: The RT (2018 and newer) is also compatible with Marshall’s rechargeable batteries.
These improve range (more output power) and better performance in sub-freezing conditions.
Always start each flight with a fully charged battery!! Charger Kit’s and additional batteries are sold separately.
Battery Life
The Turbo will run 5 days continuously when a new battery is installed. You will receive a warning (yellow LED and
double beep) when approximately 3 days life is remaining. This is when it is time to change the battery. You will receive
a 2nd warning (Red LED) and triple beep when only 1 day of life is remaining. In order to provide the best power and days
to recover your falcon, we recommend changing the battery after 8-12 hours of usage. If the transmitter is used for more
than 8 hours in a day, a new battery should be installed for each day of hunting.
Maintenance
Inspect your transmitter for signs of mechanical wear and tear. Inspect Antenna and replace as soon as you see cracks
or any exposed metal wire (pay special attention to the tip of the antenna), replace when any metal is visible. Make sure
Antenna Protector is secured.
Replacing the Antenna
The antenna on the Turbo transmitter is field replaceable. Use only Genuine Marshall replacement antennas with Power Line Static
ProtectionTM, length 13-1/4 inches for 216 or 233 MHz, 7 inches for UHF.
Remove the antenna protector by un-screwing. Then un-screw the old antenna to remove. Make sure the threads on the
stud are clean and shiny.
Install new antenna hand tight. You may apply a small bead of quick drying epoxy around the base. Then reinstall the
antenna protector securely.
Note: Never use liquid super glue or any type of thread locking compound to secure the antenna. Liquid Super Glue can wick up the
threads causing them to permanently bond to the antenna stud. Only use your fingers to remove old antennas, using tools or pliers may
permanently damage your transmitter.
Turbo Range
The Turbo is designed to give best range while on your bird. It has been tested to over 150 miles line-of-sight. Like any transmitter,
range varies greatly with terrain. Tests have shown its range in hunting situations of western US deserts to be anywhere from 8 to 100
miles, depending on height of transmitter, height of receiver, type of terrain and obstructions, and radio noise or interference. The
Turbo has about twice (2X) the range of the benchmark Marshall RT transmitter (or 4x the range of a Marshall RT Plus).
Using the Receiver
Signal from Turbo is strongest if receiver antenna is lined up
in same orientation as Turbo antenna. Since a falcon on a
perch keeps tail almost vertical, you will get best signal if
holding receiver antenna with its elements vertical. However,
there are cases when transmitter’s antenna could be nearly
horizontal and holding your receiver antenna horizontally will
give the better result.
Hint: If both horizontal and vertical signals can be heard, use horizontal for better pinpoint accuracy.
Warranty
Marshall Radio Telemetry warrants that the Turbo transmitter will be free from defects of workmanship and materials for FIVE (5) Years from the date of
purchase by end-user. Return defective transmitter directly to Marshall Radio Telemetry and we will repair or replace it and return it free of charge.
However, we will not be responsible for damage from misuse or normal wear and tear incurred during use. Warranty is void if a non-Marshall Radio
Telemetry antenna has been used. Under no circumstances will Marshall Radio be responsible for damages or loss beyond the value of the transmitter
itself, including but not limited to the loss of a bird or lost time.
FCC Notice: This device does not interfere with TV reception or Federal Government radar.
MARSHALL RADIO TELEMETRY 896 West 100 North, North Salt Lake, UT 84054, USA
Toll Free (800) 729-7123 International 1-801-936-9000 www.marshallradio.com
Bird on perch
Bird on ground
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