extreme flyers X350 User Guide
X350 SERIES QUICK-START AND FLYING GUIDE
5-Channel 2.4GHz High-Performance Coaxial Helicopter
QUICK-START
and FLYING GUIDE
If you should have trouble with your X350 Series helicopter, or if you have any questions or require replacement
parts, please contact Customer Service at the address below:
Global Services
18480 Bandilier Circle
Fountain Valley, CA 92708
Phone: (714) 963-0329
Fax: (714) 964-6236
Email: service@globalhobby.net
Global Services provides customer service for X350 Series helicopters purchased in North America only. If you
did not purchase your product in North America, please contact the Extreme-Flyers distributor in your region.
This R/C helicopter is not a toy! If misused, it can cause serious bodily harm and/or injury. This product is
not intended for those under 14 years of age! Please read and understand the safety warnings included prior
to operation.
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X350 SERIES QUICK-START AND FLYING GUIDE
The Extreme-Flyers X350 Series is a high-performance 5-channel 2.4GHz coaxial helicopter than can be flown
in a large indoor area or outdoors in winds of up to 8mph, using Extreme-Flyer’s patented Anti-Wind Tail
Control System. The X350 Series helicopter is the perfect choice for both beginner and experienced pilots. Its
larger size and inherently stable design make it ideal for new pilots to learn on, and when flown outdoors using
the Anti-Wind Tail Control System, the helicopter is capable of fast, high-performance flight - perfect for more
experienced pilots.
Read through this Quick-Start Guide to familiarize yourself with your X350 Series helicopter and get flying quickly.
For more in-depth information, please refer to the separate Instruction Manual included.
KIT CONTENTS
Before beginning, make sure that your kit contains the parts listed below:
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Assembled X350 Series Helicopter
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5-Channel 2.4GHz Transmitter
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3S 11.1 Volt 850mAh Li-Po Battery*
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Li-Po Battery Charger
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AC Adapter
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Phillips Head Screwdriver
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Instruction Manual
*May be packaged separately or already installed in helicopter.
REQUIRED ITEMS
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4 'AA' Alkaline Batteries for Transmitter
GENERAL SAFETY PRECAUTIONS
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Just because the X350 Series helicopter is powered by electric motors doesn’t mean that you shouldn’t exercise
caution when flying and operating it. This helicopter flies powerfully at high speed and can be dangerous if you
do not fly in a safe manner or do not pay close attention while flying. You alone are responsible for the actions
of the helicopter during flight.
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We strongly suggest that when you first begin flying the helicopter that you perform only basic maneuvers,
such as hovering, until you are more familiar with flight characteristics of the helicopter. This will give you time
to feel comfortable with the way the helicopter reacts to control inputs and power.
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Your helicopter has a safety feature that will prevent the rotor blades from spinning without first cycling the
throttle control stick from low to high and back to low again. This prevents the possibility of the rotor blades
spinning and harming you while plugging the Li-Po battery into the helicopter.
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ALWAYS unplug the Li-Po battery from the helicopter after use. When unplugging the Li-Po battery from the
helicopter, ensure that you don’t bump the throttle control stick above idle or the rotor blades could spin up.
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ALWAYS turn the transmitter 'ON' before plugging in the Li-Po battery into the helicopter and always unplug
the Li-Po battery from the helicopter before turning the transmitter 'OFF'.
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NEVER fly your helicopter from the street or at night. Always fly in an open area free of obstructions. When
flying, make sure any spectators are behind you.
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ALWAYS be conscious of the spinning rotor blades. Be careful not to allow loose clothing to be drawn into the
rotor blades.
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Because your helicopter is operated by radio control, it is important to make sure you are always using fresh
and/or fully charged batteries. Never allow the batteries to run low or you could lose control of the helicopter.
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Do NOT allow any of the electrical components to get wet or electrical damage may occur. NEVER attempt to
disassemble or modify any of the radio control system components.
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Do NOT use any solvents to clean your helicopter. Solvents may damage the plastic and composite parts.
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X350 SERIES QUICK-START AND FLYING GUIDE
LI-PO BATTERY SAFETY PRECAUTIONS
Your X350 Series helicopter is powered by a Li-Po (Lithium Polymer) battery. Li-Po batteries are significantly
more volatile than Alkaline or Ni-Cd/Ni-MH batteries used in past R/C applications. When using Li-Po batteries
to power your model, all instructions and warnings must be followed closely. Mishandling of Li-Po batteries
can result in fire. Prior to use, please read and understand the Li-Po battery warnings below:
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Do NOT attempt to charge Li-Po batteries with any charger other than one designed to charge Li-Po batteries.
The Li-Po battery charger you use should include a balancing feature.
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We recommend using only the charger included with your X350 Series helicopter. It is designed specifically to
safely charge the stock Li-Po battery included with your helicopter.
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Do NOT use Li-Po batteries if they are hot to the touch.
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Do NOT leave Li-Po batteries in direct sunlight or in a hot car or storage area, or allow Li-Po batteries to be
exposed to moisture.
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Do NOT leave Li-Po batteries plugged into your model when not in use. Li-Po batteries should be stored in a
fire-proof container.
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INSPECT Li-Po batteries before each use for swelling or other malformation. If damaged, they should not be used.
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Do NOT poke, bend or otherwise damage Li-Po batteries. DO NOT short-circuit.
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Do NOT allow Li-Po batteries to ever exceed 71ºC (160ºF) for any reason.
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Li-Po batteries will discharge when left unused for a long period of time. If the voltage of one of the cells drops
below 3.0 volts, damage to the Li-Po battery will occur. To prevent damage to your Li-Po battery, we recommend
that you charge the Li-Po battery prior to safely storing it.
CHARGING THE LI-PO BATTERY
Your X350 Series helicopter comes with a 3S 11.1 volt 850mAh Li-Po battery that can be charged from a 110v
AC power source, using the included charger and power adapter.
Charging Precautions
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Do NOT use the included charger to charge any other type of battery.
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Do NOT cover the vents on the bottom of the charger or set the charger on anything (such as carpet) that
covers the vents.
If the charger's vents are covered, the charger could overheat, damaging the charger and/or resulting in fire.
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Do NOT attempt to charge the Li-Po battery through the battery connector. The Li-Po battery should always be
charged through the Balance connector (white connector).
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ALWAYS charge Li-Po battery on a fire-resistant surface or in a fire-resistant charging bag.
Fire-resistant charging bags are available separately. See your local hobby retailer for more information.
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NEVER charge the Li-Po battery near any flammable material.
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ALWAYS allow the Li-Po battery to cool down after use prior to recharging it.
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NEVER leave the Li-Po battery unattended during the charging process.
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After the charging process completes, unplug the Li-Po battery from the charger, then disconnect the charger
from its power source.
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If the Li-Po battery becomes hot to the touch during the charging process, unplug it from the charger immediately.
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X350 SERIES QUICK-START AND FLYING GUIDE
CHARGING THE LI-PO BATTERY
1) Plug the round connector from the AC adapter cord into the Li-Po charger, then plug the AC adapter into
a 110v AC wall socket or power strip. The red Power LED on the charger should illuminate, indicating the
charger is receiving power.
2) Plug the balance connector from the Li-Po battery into the
11.1v charge socket. After a moment, the three green LEDs
will begin to quickly flash, indicating the Li-Po battery is
charging.
3) When the Li-Po battery is fully charged, the three green LEDs will illuminate solid. At this time, unplug the
Li-Po battery from the charger, then disconnect the charger from its power source.
Charger LED Status Indicators
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Power LED illuminated - Charger is connected to power source and is receiving power.
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Green LEDs flashing - Li-Po battery is charging.
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Three green LEDs illuminated solid - Li-Po battery is fully charged.
It will take approximately 40 to 50 minutes to fully charge the Li-Po battery. Near the end of the charging cycle
it’s normal for one or two of the green LEDs to continue to flash while one remains solid. Please wait until all
three green LEDs remain solid prior to removing the Li-Po battery from the charger. This ensures that the three
cells are balanced.
TRANSMITTER OVERVIEW
Your X350 Series helicopter comes with a 5-channel 2.4GHz transmitter. The 2.4GHz connection is determined
by the transmitter and receiver pair. Unlike ordinary crystal-based systems, your model can be used without
frequency control.
Antenna*
Your transmitter features a low voltage alarm that will sound
when the transmitter battery voltage drops below 4 volts. If this
occurs, you should land as soon as is safely possible and
replace the batteries.
*Antenna shown in the collapsed position. Antenna
should be pivoted vertical during flight.
Throttle Trim Tab
Throttle/Rudder
Control Stick
Power Switch
Rudder Trim Tab
Bind LED
Servo Reversing Switches
4
Elevator Trim Tab
Aileron/Elevator
Control Stick
Aileron Trim Tab
Bind Button
Tail Control Switch
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