Futaba L35-N4581 Radio Control Transmitter User Manual

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Please read this manual before using the product.
Unmanned Helicopter for
Industrial Applications
OPERATION MANUAL
L35-28199-00
Foreword
Thank you for purchasing the FAZER, an unmanned helicopter for industrial applications.
This operation manual describes the proper method for operating the FAZER and precautions.
Be sure to read this manual and thoroughly understand its contents before operating the
FAZER.
In this manual, the warning messages that are necessary to ensure the safe and proper
operation of the FAZER are classified as shown below. Make sure to observe these instructions because they all contain important information.
D ANGER
Improper operation will cause imminent danger, which could lead to serious injury or
death.
W ARNING
Improper operation could lead to injury, serious injury or death.
N OTICE
Improper operation could cause property
damage.
TIP
Describes the proper handling method or
gives the main points for inspection and
maintenance.
Indicates a prohibited action.
An adjacent illustration describes the
prohibited action.
● After you have read this operation manual, keep it within easy access near the helicopter.
● Contact your dealer if you are lending this helicopter or transferring its ownership.
● Keep this operation manual together with the helicopter if you are lending this helicopter
or transferring its ownership.
● If you have lost this operation manual, contact your dealer to request another copy.
● Contact your dealer if you have any questions or comments regarding the contents of
this operation manual.
● Due to specification changes, some of the textual or graphical contents of this manual
may differ from the actual helicopter.
● For information regarding the sprayer, refer to the operation manual for the sprayer.
Table of Contents
Safety Precautions
Product Specifications
Part Names and Functions
Pre-Flight Preparation
Flying Procedure
Post-Flight Cleaning and Servicing
Simple Maintenance
Proper Management
Product Management
Troubleshooting
10
Index
11
Safety Precautions
Product Safety Label Locations ................................................... 1-1
Make Sure to Follow the Instructions........................................... 1-2
Basic requirements .................................................................................................. 1-2
Operator requirements............................................................................................. 1-3
Helicopter requirements........................................................................................... 1-5
Flight requirements .................................................................................................. 1-7
Chemical requirements .......................................................................................... 1-11
Safety Precautions
Product Safety Label Locations
Read and thoroughly understand the product safety labels affixed to the helicopter before operation.
Placed on the left and right.
1-1
Safety Precautions
Make Sure to Follow the Instructions
Basic requirements
W ARNING
To ensure safe operation, make sure to thoroughly read the operation manual before
operation.
W ARNING
This unmanned helicopter for industrial
applications has been manufactured for the
purpose of the aerial application of agricultural chemicals, fertilizers, and seeds. Do not
use it for other applications, which is in violation of laws, and could lead to accidents.
W ARNING
Do not modify the helicopter or the auxiliary
devices. Do not use parts other than genuine
parts. Any modification of the helicopter or
use of non-genuine parts may cause unexpected accidents.
1-2
Safety Precautions
Operator requirements
W ARNING
Flying this helicopter requires a high level of
skill.
Therefore, it should be flown only by an operator who holds an operator license for
unmanned helicopters, issued by Yamaha
Motor Co., Ltd.
In addition, if the country where the
unmanned helicopter will be used requires
an operator license, obtain the license before
flying the helicopter.
W ARNING
Make sure to wear a helmet during flight. To
perform an aerial application, make sure to
wear clothing that is appropriate for the operation. Performing a flight and an aerial application in clothing that is not appropriate for
the task could cause loss of visibility, maneuvering error, or cause your foot to slip, resulting in unexpected accidents. Furthermore, it
could harm your health through exposure to
agricultural chemicals.
Observe the following clothing requirements:
• Wear a helmet.
• Wear goggles and a particle mask.
• Wear long-sleeved clothing with secure buttons
and fasteners.
• Wear slip-proof shoes that are easy to walk with.
• Do not wear objects that could obstruct vision
when there is wind, or adversely affect operation
(especially towels and gloves).
W ARNING
A minimum of three people is required for an
aerial application: a signaler who has been
briefed on the aerial application procedure,
an assistant who readies, mixes, and supplies agricultural chemicals, and an operator.
Beware that an understaffed operation could
lead to an accident.
1-3
Operator License for Unmanned Helicopters for Industrial Applications
Name:
License
Safety Precautions
W ARNING
The operation of an unmanned helicopter
involves considerable mental fatigue. The
operator should not fly the helicopter continuously for more than one hour, but should
take a rest every hour. Prolonged continuous
flight operation could cause the operator to
lose concentration and could lead to an accident.
W ARNING
Do not fly the helicopter after drinking alcohol or taking a cold medicine, or if you are in
poor physical condition. Flying the helicopter
in poor physical condition could cause loss
of concentration, and could lead to an accident.
1-4
Safety Precautions
Helicopter requirements
D ANGER
Never enter (or allow others to enter) the area
within 20 meters of the helicopter until the
main rotor has come to a complete stop and
the engine has stopped. Failure to observe
this precaution could cause a serious accident.
20 m
20 m
20 m
20 m
W ARNING
Gasoline is a highly volatile substance that
ignites easily. Before refueling, be sure to
stop the engine, and do not place a source of
fire or sparks nearby. Failure to observe
these precautions can cause the gasoline to
ignite.
W ARNING
● Make sure to have the required inspections and maintenance services performed. Failure to do so could lead to a
serious accident.
● To have the helicopter serviced, contact
your dealer or an authorized service facility for Yamaha unmanned helicopters for
industrial applications.
Make sure to perform the following inspections. Have
the 30-hour free inspection and periodic inspections
performed at your dealer.
• Pre-flight inspection
• Post-flight inspection
• 30-hour free inspection
• Periodic inspection
1-5
OK
OK
Safety Precautions
W ARNING
The muffler reaches a high temperature
immediately after a flight. To prevent burns,
do not touch it. To prevent burns or fire, do
not place any flammable objects near the
muffler. Also, touching it with oily shop rags
or bare hands can leave their traces after
combustion.
For cleaning, use shop rags that do not contain oil or grease.
N OTICE
The gyro sensor (integrated GPS/gyro sensor) attached to the top of the tail body is a
precision instrument that senses the Earth’s
feeble magnetic force. Do not place any magnetized objects near it, which could cause
the sensor to malfunction and the controls to
function improperly.
1-6
Safety Precautions
Flight requirements
D ANGER
If the unmanned helicopter goes out of control beyond its flying range, make sure the
area is uninhabited and safe, before performing the operation described below in order to
drop the helicopter.
1 Place the throttle stick to its SLOWEST
position.
2 Press and hold the engine stop switch
down.
W ARNING
Never fly the helicopter in no-fly zones.
Flying in a no-fly zone can lead to a serious
accident or exposure to chemicals.
Do not fly in the following areas.
● In the vicinity of or above airports, military
facilities, heliports for manned helicopters,
and gliding fields.
The peripheral distances from no-fly zones
vary by facility; contact the relevant
authorities for details.
● In the vicinity of or above heavily trafficked
roads, expressways, or railroads.
1-7
Safety Precautions
● In the vicinity of or above petroleum, gas,
chemical, and explosive complexes, tanks,
or storage areas.
● In the vicinity of or above high-voltage
transmission lines, power generating
plants, or power substations.
● In the vicinity of or above homes adjacent
to the aerial spray area, or other hazardous
obstacles.
● In the vicinity of or above port and harbor
facilities including swimming areas, yacht
harbors, fishing ports, reservoirs for potable water, or dams.
● In the vicinity of or above areas posted
with “no trespassing” or “keep out” signs.
● In the vicinity of or above areas where
flight is prohibited by police or fire departments.
1-8
Safety Precautions
W ARNING
The unmanned helicopter for industrial applications is operated by way of radio signals.
To prevent the helicopter from going out of
control due to unexpected radio signal interference, pay careful attention to the radio signals before and during a flight.
W ARNING
Select areas that are appropriate for takeoffs
and landings, as described below. Failure to
select an appropriate area could lead to an
accident.
● Select flat farm roads or vacant lots with
minimal foot or vehicle traffic.
● Check that there are no obstacles in the
vicinity.
● Check that there are no objects that could
fly up with the wind (such as mowed
grass, plastic tape, plastic bags, etc.).
W ARNING
Cancel a flight or aerial application plan if
poor weather conditions exist as described
below. Failure to do so could pose operation
difficulties, which could lead to an accident,
and could adversely affect the application and
the effectiveness of the sprayed chemicals.
Rain, Fog, or Lightning
● Wind velocity in excess of 3 m/s at a
height of 1.5 meters above the ground.
● Rain, fog, or lightning in the vicinity.
W ARNING
Keep the maximum horizontal distance
between the operator and the helicopter
within 150 meters. Keep the height of the
helicopter between 3 and 4 meters from the
ground or the crop. If the distance is any
greater, it will prevent the operator from monitoring the posture of the helicopter and
adversely affect signal reception.
For safety, further shorten the distance if
there are any obstacles in the area.
Failure to fly the helicopter within the maximum distance limit could lead to an accident.
1-9
150 m max
3 to 4 m
Safety Precautions
W ARNING
Adjust the load to leave some leeway in payload. A takeoff with the maximum payload
requires maximum horsepower and careful
flying technique. An excess payload at this
point could lead to a serious accident. Therefore, hover the helicopter to check that there
is an ample margin in payload before continuing with the flight.
W ARNING
If, during a flight, the warning lamp indicates
an abnormal condition or the helicopter
exhibits an abnormal behavior or symptom
(vibration, sound, coolant leakage, foul odor,
etc.), immediately land the helicopter in a
safe area. Failure to discontinue the flight
can lead to an accident.
W ARNING
Bring the following items with you to the flying site.
Failure to do so could adversely affect the
flight and lead to an accident.
●
●
●
●
●
●
●
●
●
●
●
●
●
●
Radio signal monitor (sold separately)
Fire extinguisher
First-aid kit
Stopwatch
Tools
Fuel
Helmet (for all personnel)
Spare battery
Transceiver
Flight log
Operation Manual
Proficiency certificate
Particle mask
Goggles
1-10
Safety Precautions
N OTICE
To fly two or more helicopters simultaneously in the same area,
1 Do not use the same frequency.
2 The maximum distance between the operator and the helicopter should be 150
meters.
3 Keep a minimum distance of 200 meters
between helicopters.
Be sure to adhere to the requirements above.
Chemical requirements
W ARNING
Do not use chemicals other than those that
have been registered for use with unmanned
helicopters. Failure to do so could expose
animals, plants, or people to chemicals for
which the operator will be required to take
social responsibility.
W ARNING
Control and handle chemicals strictly in
accordance with their manuals. Failure to
control or improper handling could lead to
chemical pollution or health hazards.
1-11
200 m minimum
Product Specifications
Specification Data........................................................................ 2-1
Data list .................................................................................................................... 2-1
Dimensions .............................................................................................................. 2-2
Product Specifications
Specification Data
Data list
Performance
Product name
FAZER
Manufacturer model
L35
Chemical payload
24 kg
Practical distance (visual range)
Type
Cylinder displacement
Maximum output
32.5 N·m (3.3 kg·m)/4,500 rpm
System
Engine
Lubrication
Mixture of Yamaha Long-Life Coolant and water
Mixing
ratio
1 part Yamaha Long-Life Coolant to 1 part water
System
Force-feed wet sump
Specified
oil
Tank
capacity
Name
Electrical
YACSII
Warnings
Low fuel level, excess load, radio signal interference,
speed warning, etc.
72.690 /.710 /.730 /.770 /.790 /.810 /.850 /.890 /.910 /.950 MHz
26.995 /27.045 /27.095 /27.145 /27.195 /27.255 MHz
Helicopter
VRLA (valve-regulated lead acid) battery YTZ7S(F) 12 V, 6 Ah
Transmitter
Lithium-ion battery 7.4 V, 2,450 mAh
Ignition plug
Main rotor diameter
Tail rotor diameter
Overall length/overall length with
rotors
NGK CPR7EA
3,115 mm
550 mm
2,782 mm/3,665 mm
Overall width
770 mm
Overall height
1,078 mm
*1 Transmitter for sprayer is sold separately.
2-1
5.0 liters
Warning lamp/self monitor
Radio signals for sprayer *1
Helicopter
dimensions
Regular gasoline
Warning
system
Radio signals for piloting
Battery
Yamalube Standard Plus: SAE 10W-40
Electric starter
Type
Control system
Water-cooled
Specified
coolant
Starting system
Fuel
390 cc
19.1 kw (26 ps) minimum/6,000 rpm
Maximum torque
Cooling
150 m
4-stroke per cycle, horizontally opposed 2-cylinder
Product Specifications
Dimensions
Unit: mm
3,115
55
2,782
1,078
3,665
770
2-2
Product Specifications
2-3
Part Names and Functions
Helicopter Exterior ....................................................................... 3-1
Helicopter exterior parts names ............................................................................... 3-1
Control panel, warning lamp, and self monitor......................................................... 3-2
Helicopter Interior Parts ............................................................... 3-3
Flight Transmitter......................................................................... 3-4
Basic Transmitter Operation ........................................................ 3-5
Flight transmitter stick basic operation and helicopter movement ...........................
Flight transmitter trim lever basic operation and helicopter movement....................
GPS switch ..............................................................................................................
Spray switch.............................................................................................................
Frequency settings and checks ...............................................................................
Transmitter battery monitor lamp .............................................................................
3-5
3-6
3-7
3-8
3-8
3-9
Various Types of Warning (Warning, Indication) and Actions ... 3-10
Self monitor............................................................................................................ 3-10
Warning lamp......................................................................................................... 3-11
Safe Functions During Failsafe Mode
(Radio Signal Interference)........................................................ 3-13
Safety Functions and Actions in Case GPS Reception
Becomes Poor While Flying Under Speed Control.................... 3-16
Part Names and Functions
Helicopter Exterior
Helicopter exterior parts names
No.
3-1
Name
Function
Main rotor
Generates main lift and propelling force.
Stabilizer
Stabilizes the helicopter by way of the inertial and aerodynamic forces created by the rotating right and left
weights (stabilizer blades).
Fuel tank cap
A fuel tank cap with air release function.
Control panel
A panel for starting and controlling the engine.
GPS/gyro sensor
Receives GPS radio signals. / Detects the Earth’s magnetic field.
Antenna (72 MHz band)
Receives radio signals from the transmitter.
Tail rotor
Prevents the helicopter from rotating in reaction to the rotation of the main rotor, thus effecting control in the heading direction.
Stone guard
A handle to be grasped when transporting the helicopter on land. Also, a portion that is held by hand or stepped
by foot while attaching a transport wheel onto the runner.
Tail body
Connects the helicopter body with the tail rotor, and houses a driveshaft and the like.
Warning lamp
Indicates the conditions of the helicopter by way of how the lamp illuminates.
Runner
Leaf
Supports the helicopter.
Muffler
Muffles and minimizes the exhaust sound of the engine.
Side cover
Protects the main components, including the engine.
Radiator cover
Directs the cooling air to the radiator.
Part Names and Functions
Control panel, warning lamp, and self monitor
Control panel
Flight lamp
Main Switch
OFF
STARTER
Starter switch
Control panel
Warning lamp
Self monitor
FWD
(front)
Indication examples
Example: flight hours:
52 hours 3 minutes
3-2
Part Names and Functions
Helicopter Interior Parts
9 (interior)
No.
3-3
Name
Function
Engine
Thermostat
A device to automatically regulate the water temperature.
Injector
A device to inject fuel into the engine.
Fuel pump
A device to pump fuel from the fuel tank.
Control unit
Detects the postural changes of the helicopter.
Fuel tank
A tank to store fuel.
Slide servo
A servo to control the angle of the main rotor.
Throttle servo
A servo to control the engine power output.
Rudder servo
A servo to control the angle of the tail rotor.
The motive force that moves the helicopter.
Radiator cap
A cap at the inlet for pouring coolant into the radiator.
Radiator
A device to dissipate heat from the engine coolant.
Air cleaner
A device to remove dust from the air intake of the engine.
Transmission
Consisting of speed gears and drive shaft, this is a speed-reduction device that transmits the motive force from
the engine to the main rotor shaft and the drive shaft.
Tail drive shaft
A shaft to transmit the motive force from the transmission to the tail transmission.
Frame
A framework that supports the helicopter.
Part Names and Functions
Flight Transmitter
10
11
27
12
13
25
26
23
16,17
14,15
20
18
19
Name
Power switch
Battery monitor lamp
Output lamp
Flight switch
Rotor brake switch
Engine stop switch
Spray volume switch
Spray switch
Speed-linked spray switch
10
Liquid volume knob
Rotor speed adjustment
knob
GPS switch
Antenna
Throttle stick
Aileron stick
Elevator stick
Rudder stick
Aileron trim lever
Elevator trim lever
Rudder trim lever
Warning speaker
Battery
Serial No.
Function selector switch
Setup plug hole
Frequency selector switch
Blind plug for adjusting stick
operability
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
22
W ARNING
21
No.
24
This has been properly adjusted at the factory.
It should not be tampered by the user.
Failure to heed this precaution can lead to accidents.
Function
This switch is for turning the transmitter power ON and OFF.
Indicates the state-of-charge of the transmitter battery by its color.
Indicates the output conditions of the radio signals.
A switch to select START and FLIGHT.
A switch to quickly stop the main rotor after the engine has been stopped.
A switch to stop the engine.
A switch to select the spraying width of the liquid or granular sprayer.
A switch to turn the sprayer ON and OFF.
A switch to turn ON/OFF the function to adjust the spray volume that suits the flight speed while receiving GPS
signals.
A knob to adjust the speeds of the liquid sprayer pump motor or the granular spinner motor.
A knob to change the speed of the main rotor.
While receiving 4 or more GPS signals, this switch enables the helicopter to fly at a constant speed.
Transmits radio signals.
A stick to control the ascent and descent of the helicopter.
A stick to control the right and left tilt of the helicopter.
A stick to control the front-back tilt of the helicopter.
A stick to control the horizontal rotation of the helicopter.
A lever that minutely controls the right and left tilt of the helicopter.
A lever that minutely controls the front-back tilt of the helicopter.
A lever that minutely controls the horizontal rotational movement of the helicopter.
Emits a sound to warn you of the battery state-of-charge or the like.
It is a lithium-ion battery.
A unique number for the transmitter.
Not used.
Not used.
A switch to change the operating frequency.
Not used.
3-4
Part Names and Functions
Flight transmitter trim lever basic operation and helicopter movement
(a) Aileron trim lever
(b) Elevator trim lever
Stops drifting
forward.
Stops drifting
backward.
Stops drifting
to the left.
(c) Rudder trim lever
Stops the nose
from turning to
the right.
Stops drifting
to the right.
Stops the nose
from turning to
the left.
TIP
● The neutral position is the standard position for the aileron, elevator, and rudder trim levers.
● Make fine adjustments in accordance with the conditions.
3-6
Part Names and Functions
GPS switch
Turning the GPS switch ON enables helicopter
speed control through the use of the GPS function
(to maintain a constant flight speed).
The GPS switch can be used while it is turned ON
before takeoff. The flashing of the yellow warning
lamp indicates that the reception of the GPS signals is poor, and the speed control function is unusable.
In the situation indicated below, momentarily turn
the switch OFF; then, turn it back ON. Otherwise,
you will not be able to use the speed control flight
mode.
Indications
Yellow lamp
Indication
conditions
Regular flashing
GPS Switch
Speed control OFF
Speed control ON
Indication meanings
Actions
Unable to effect speed control
Poor GPS signal reception
Able to fly under postural control
N OTICE
● If a failure occurs in postural control, it switches to manual operation and disengages the speed
control.
● Even if GPS signals are being received, the accuracy of the radio signals from the satellites may
be poor.
In that case, the helicopter might move front-back, side-to-side, or up and down. When this happens, quickly turn the GPS switch OFF.
To use the speed control again, wait a while before turning the GPS switch ON.
3-7
Part Names and Functions
Spray switch
When the flight transmitter is powered ON and the
helicopter main switch is in the ON position, the
sprayer can be operated.
When the flight transmitter’s spray switch (ON/OFF
switch) is pressed ON, the sprayer operates. Pressing it again (to release), the sprayer stops.
Spray Switch
ON (to operate)
Push
OFF (to stop)
Release
TIP
When you press the spray switch ON, be
mindful of the surroundings because the
sprayer will spray agricultural chemicals.
Frequency settings and checks
How to select frequencies
Select the frequency for the helicopter by turning
the frequency selector switch as shown.
Before making a selection, be sure the transmitter’s
power switch is OFF.
Radio signals are assigned to numbers 0 to 6.
Do not turn the switch to number 7 and beyond.
Frequency checks
Frequency selector switch
7 8
0 1
2 3
Use a radio signal monitor (sold separately) to
make sure there are no radio signals being used in
the vicinity. Then, turn ON the transmitter’s power
switch.
Use a radio signal monitor (sold separately) to
check that the selected radio signals are being output.
5 6
Number
Frequency
72.69 MHz
72.71 MHz
72.73 MHz
72.77 MHz
72.79 MHz
72.81 MHz
72.85 MHz
72.89 MHz
72.91 MHz
72.95 MHz
3-8
Part Names and Functions
Transmitter battery monitor lamp
1 Battery state-of-charge inspection
With the helicopter’s main switch turned OFF,
turn the transmitter’s power ON, and inspect the
following items.
● Check that the output lamp and the battery
monitor lamp are illuminated green.
● Check the number of times the buzzer sounds
to indicate the battery state-of-charge.
Beep beep beep beep (4 times) The battery is fully
charged.
Beep beep beep
(3 times) The battery needs
to be charged.
Beep beep
(2 times) The helicopter cannot be used unless
the battery is
charged.
Battery monitor lamp
Output lamp
Check whether the battery monitor lamp is lit.
The battery monitor lamp works in unison with
the buzzer sound that indicates the battery stateof-charge.
When the battery gets low, the battery monitor
lamp will start flashing red. When the battery
gets even lower, the lamp will stay lit.
At this point, working in unison with the transmitter’s monitor lamp, the warning lamp flashes red
to warn the operator. When this happens, it
means that the battery is practically drained.
Therefore, replace it with a fully charged battery.
* On the FAZER, the red lamp of the helicopter warning lamp flashes to inform the operator that the transmitter’s battery state-of-charge is low during flight. (Refer to page 3-12.)
3-9
Part Names and Functions
Various Types of Warning (Warning, Indication)
and Actions
This product is equipped with various types of
safety functions. Before flight, familiarize yourself
thoroughly with these functions, warnings, and indications so that you can take appropriate actions.
Self monitor
• Normally when the main switch is turned ON, the
self monitor displays the total flight time to the
present time, in the order from
→
FWD
(front)
• An error number appears if any type of malfunction is discovered in the helicopter when the main switch is
turned ON or while the helicopter is in flight.
Most of these malfunctions cannot be fixed by the user on the spot. Contact your dealer with the error number that has appeared, and inquire about the actions that should be taken.
These indications will appear repeatedly until the main switch is turned OFF.
(Indication examples)
E116: Helicopter power failure
3-10
Part Names and Functions
Warning lamp
«Standing by on ground»
Indications
Red lamp
Indication
conditions
Irregular flashing
Putt-putt···
Putt-putt···
Indication meanings
A helicopter failure or malfunction.
Actions
Check the error indicated on the
self monitor and request the
dealer for a repair.
Regular flashing
• The remaining fuel is below
the specified amount.
• Transmitter battery low voltage warning.
• Refuel.
• Replace the transmitter battery.
Yellow lamp
Flashing
Unable to effect speed control
Poor GPS signal reception.
Able to fly under postural control.
Blue lamp
Illuminating
Engine speed limit tripped.
(Transmitter’s flight switch is in
START position.)
Turning the transmitter’s flight
switch to FLIGHT will extinguish
the blue lamp and enable the
helicopter to fly.
Red, yellow, blue lamps
All color illumination
Control instruments being
configured.
Check whether the LED lamp has
an open circuit.
Stand by until the system configuration is completed.
Red and yellow
Rapid alternating illumination
Flight lamp
Indication conditions
Indication meanings
Check the transmitter-receiver.
Actions
Irregular flashing
Putt-putt···
Putt-putt···
The helicopter has some
type of failure and is unable
to fly.
Check the error indicated on
the self monitor and request
your dealer for a repair.
Regular flashing
• Control instruments being
configured.
• Pressing the start switch
while security is being
tripped will cause the lamp
to flash.
Stand by until the configuration is completed.
Request the dealer to take
action on the security matter.
Changes from flashing to turning off.
Control instruments configuration completed.
The lamp will change to illuminate when the engine stop
switch is pressed.
Illuminating
Engine can be started.
Press the starter switch to
operate the starter motor.
OFF
STARTER
3-11
The failsafe function has been
tripped due to a failure in
receiving operating radio signals.
Part Names and Functions
«In flight»
When the warning lamps are OFF, there are no malfunctions.
If a failure occurs during flight, the following indications will appear.
Indications
Red lamp
Yellow lamp
Red and yellow
Indication
conditions
Indication meanings
Actions
Irregular flashing
Putt-putt···
Putt-putt···
A helicopter failure occurred,
requiring emergency landing.
A helicopter failure occurred,
preventing it from continuing
a safe flight.
Perform an emergency landing,
check the error indication on the
self monitor, and request the
dealer for a repair.
Regular flashing
• The remaining fuel is below
the specified amount.
• Transmitter battery low voltage warning.
• Promptly land the helicopter
and refuel.
• Promptly land the helicopter
and replace the transmitter’s
battery.
Illuminating
1 Engine speed is low.
2 A failure occurred in a
1 Improve flight condition,
reduce payload, etc.
system that does not
affect postural control.
(Example: gyro sensor,
GPS, sprayer failure, etc.)
3 The flight speed exceeds
20 km/h.
2 Check the error indicated on
Irregular flashing
Putt-putt···
Putt-putt···
Transferring from speed control to postural control.
Poor GPS signal reception.
Able to fly under postural control.
See the page on “Safety Functions and Actions in Case GPS
Reception Becomes Poor While
Flying Under Speed Control”.
Regular flashing
Unable to effect speed control.
Able to fly under postural control.
Illuminating
Maintaining speed during
flight in speed control mode.
It maintains speed even if you
release your finger from the
transmitter’s elevator stick. To
cancel, operate the stick to stop.
The yellow lamp will turn off, and
the helicopter will hover.
Rapid alternating
illumination
The failsafe function has
been tripped due to a failure
in receiving operating radio
signals.
When the helicopter enters the
failsafe mode, it will descend
automatically.
See the page regarding the failsafe mode.
the self monitor and contact
your dealer.
3 Reduce the speed to below 20
km/h.
3-12
Part Names and Functions
Safe Functions During Failsafe Mode
(Radio Signal Interference)
If the radiowaves for operating the helicopter does not reach the helicopter due to some kind of failure, the
helicopter becomes inoperable, which is very dangerous. When a radiowave interference occurs, the safe
function will cause the red and yellow warning lamps to rapidly illuminate alternately, and automatically effect
the controls (operations) described in the next page and thereafter. Familiarize yourself with this function thoroughly, and take appropriate actions.
D ANGER
During radio signal interference, never
approach the helicopter until the main rotor
stops rotating completely, and the engine
has come to a complete stop. If there are any
people in the area, promptly instruct them to
go away.
W ARNING
● Do not fly at high altitudes higher than 3 to
4 meters (above ground or crop). In the
failsafe mode, the engine will stop automatically after the allowable time, which
has been preset for safety, has elapsed.
Flying at an altitude that is higher than
necessary will cause the helicopter to drop
suddenly during an automatic descent in
the failsafe mode.
● The automatic control in the failsafe mode
varies depending on the GPS reception
conditions (see the next page and thereafter).
● Be sure to adhere to the indicated
“Actions”. Failure to take appropriate
actions can cause the helicopter, after
recovering from a radio signal interference, to make an unexpected move or sudden descent, which can lead to accidents.
● Verify the cause of the radio signal interference, and never perform subsequent
flights until the cause has been eliminated.
Failure to observe this precaution can
cause the helicopter to become inoperable
again, which can lead to accidents.
3-13
Part Names and Functions
● Automatic control (operation) in the failsafe
mode when GPS reception is favorable
1 When a radio signal interference occurs, the red
and yellow warning lamps will rapidly illuminate
alternately, and automatically effect brake control. The helicopter will hover (for approximately
10 seconds), and will automatically start a slow
descent.
If the operating radio signals recover during the
descent, the control will switch automatically to
operator operation. Therefore, calmly set the
sticks on the transmitter to their neutral (center)
position, and wait for the recovery.
Radio signal
interference!
Hover, then
descend slowly
Brake control
2 If the helicopter makes an emergency landing
because the radio signals did not recover, the
engine will stop approximately 15 seconds later.
The helicopter could topple, depending on the
terrain on which it has descended, weather conditions, or flight conditions. If the helicopter topples, never approach it until the engine has
come to a stop.
3 After the emergency landing, place the throttle
stick in its slowest position, and wait for the radio
signals to recover or the engine to stop.
4 If the radio signals remain unrecovered after the
failsafe mode (radio signal interference) is
tripped, and the helicopter cannot determine
whether it has landed, the engine will stop automatically approximately 60 seconds later.
Wait until the main rotor completely stops rotating before approaching the helicopter and turning the main switch OFF.
3-14
Part Names and Functions
● Automatic control (operation) in the failsafe
mode when GPS reception is poor
1 When radio signal interference occurs, the red
and yellow warning lamps illuminate alternately
at a quick pace, and the system forces the helicopter to descend rapidly. If the operating radiowaves recover during descent, the control will
switch automatically to operator control. Therefore, calmly set all the sticks on the transmitter in
their neutral (center) position and wait for the
recovery.
2 If the helicopter makes an emergency landing
because the radio signals did not recover, the
engine will stop in approximately 10 to 15 seconds.
The helicopter could topple, depending on the
terrain on which it has descended, weather conditions, or flight conditions. If the helicopter topples, never approach it until the engine has
come to a stop.
3 After the emergency landing, place the throttle
stick in its slowest position, and wait for the radio
signals to recover or the engine to stop.
4 If the radio signals do not recover after 15 seconds have elapsed from the time the failsafe
mode (radiowave interference) has been tripped,
the engine will stop automatically even if the helicopter does not make an emergency landing.
5 If the helicopter makes an emergency landing,
wait until the main rotor stops rotating before
approaching the helicopter and turning the main
switch OFF.
3-15
Quick descent
Radio signal interference!
Part Names and Functions
Safety Functions and Actions in Case GPS
Reception Becomes Poor While Flying Under
Speed Control
The GPS-based speed control functions by receiving radio signals from 4 or more satellites. This control might become unusable, depending on the
surrounding environment, terrain, weather conditions, time of the day, or other reasons.
If GPS reception becomes poor while using the
GPS-based speed control flight mode, the safety
function will cause the yellow warning lamp to flash
irregularly, automatically effecting the control (operation) or switching the flight mode as described
below. Thoroughly familiarize yourself with this
function, and take appropriate actions.
When GPS reception becomes poor, the yellow
warning lamp will flash irregularly at the same time.
After the flight mode switches completely to postural control, the yellow lamp will change from irregular flashing to regular flashing. After that, the
control will transfer smoothly from speed control to
postural control.
Poor GPS reception!
Transferring gradually to postural
control
N OTICE
If the yellow lamp transfers to regular flashing, the flight mode will not revert to speed
control even if GPS reception improves. It
will revert if the GPS switch is turned back
ON after GPS reception improves.
ON → OFF → ON
3-16
Part Names and Functions
The reception of GPS radiowaves can become poor
due to the conditions described below or other reasons.
1 Presence of obstacles near the location of the
flight, such as mountains, trees, or buildings.
2 There are people around the antenna.
3 The number of satellites transmitting radio signals diminishes, because of the time of the day.
3-17

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