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USER MANUAL
H4 GRAVIT NANO 2.4GHZ QUADROCOPTER
HIGH PERFORMANCE NANO-SIZE QUADROCOPTER
Dear customer,
Thank you very much for your trust in this LRP-product. By buying a H4 Gravit Nano,
you have chosen a high-qualtity flight product. Please read the following documenta-
tion carefully to ensure you will have the maximum fun when flying your Gravit Nano.
1. Before flying – Insert batteries – Charge flight-battery
Before you can fly your Gravit Nano, you have to insert 2xAAA batteries
into your transmitter and charge the Gravit Nano.
To charge the Gravit Nano, please connect the included USB-charger to
a 5V power-supply, like a PC, an active USB-Hub or
a USB-power-supply.
Then connect your Nano to the charging-cable (see
picture). As soon as your Nano is fully charged, the
LED of the charger goes out and you can discon-
nect your Nano. The charging time is approx. 15-20
minutes.
WARNING: Do not use any other charger than the
provided charger, as this may result in problems when charging the Nano or may even
damage the battery.
2. Starting the Gravit Nano
Put the Nano on a smooth, even surface, then proceed as follows:
- Turn on transmitter -> The red Power-LED of the TX is blinking.
- Turn on Nano: This is done by pushing the small switch on the
back of the Nano to the left (pls see picture) -> The TX beeps two
times and keeps on blinking. One of the red LEDs on the Nano is
also blinking -> TX and Nano are bound
- Move the left control stick completely up and back again -> The
TX beeps two times again, the red LED of the TX is permanent
red now. The blinking LED of the Nano is also turning to solid red
-> Nano is ready for take-off.
- Please note the orientation of the Nano:
Blue rotors and blue LEDs -> FRONT
White rotors and red LEDs -> BACK
3. Flying the Gravit Nano – Standard maneuvers
- Climb and decline
- Rotate around its axis (Yaw)
- Forward and backward (Pitch)
- Flying left and right (Roll)
4. Flying the Gravit Nano – The trims
In case your Nano should strongly drift to any
direction without a control stick being moved,
you may counter this undesired drifting by using
the trim controls and pushing them in the opposi-
te direction of the Nano's drift.
Undesired movement towards left or right
can be countered by using the trims controls
under the left control stick
Undesired movement forwards or backwards can be countered by using the trim
controls to the left of the right control stick.
HA00044 © LRP electronic GmbH 2014
5. Flying the Gravit Nano – Changing Speed-Levels (Training-Mode)
The Nano may be flown in 3 different Speed-Levels. Depending on
the chosen Speed-Level, the maximum possible deflection of the
Nano is different, resulting in different speed and flying behaviour.
Every time you switch your TX on again, the Nano is in Speed-Level
1, which is the slowest and easiest of all Speed-Levels and therefore
the Training-Mode.
In order to change the Speed-Level, please press down the left control stick until you
hear a clicking sound and the TX provides acoustic feedback.
Directly after switching on the TX, the Speed-Levels are as follows:
Speed Level 1 (Training-Mode) -> 1x Press -> 2x Beeps ->
Speed Level 2 (Advanced) -> 1x Press -> 3x Beeps ->
Speed Level 3 (Professional) -> 1x Press -> 1x Beep ->
You are back to Speed-Level 1 again
TIP: It is highly recommended to fly you Nano using Speed-Level 1 for your first
flight in order to learn how to safely fly the quadrocopter. In case the performance of
Speed-Level 1 should not be enough, you can change to Speed-Levels 2 and 3.
6. Flying the Gravit Nano - Loopings
You can choose to make loopings in all 4 directions with your Nano
during flight. To enable looping-mode, please press down the right
control stick.
You will notice a clicking sound when doing so and the transmitter
will start to repeatedly beep. Now you can move the right control
stick completely into any direction (right/left, forward/backward). The
Nano will make a looping in the chosen direction. The beeping of the
transmitter will stop after the looping. You are normal flight-mode
ON
again and can control the Nano with the right control stick as usual.
Please make sure, that when performing loopings you are far enough away from other
any other objects, so that the Nano cannot bounce against anything and crash. Please
also notice, that with ongoing flight duration, the batteries of the Nano keep on getting
weaker and therefore performing loopings might not work out as good as expected.
The best option is to perform the loopings at the beginning of your flight.
7. Flying the Gravit Nano – When the battery gets empty
Please pay attention to the 4 LEDs in the arms of the quadrocopter. As long as the LiPo
of the Nano is sufficiently charged, the front LEDs will be continuously blue, the rear
ones red. When the battery is almost depleted, all 4 LEDs start blinking. This indicates
that the Nano has only around 20 seconds of flight time left, before the motors shut
off. Please also note, that as soon as the Gravit Nano enters low battery flying mode, it
cannot perform loopings anymore.
Get your Nano back to ground in this remaining time safely, switch it off and recharge
the batteries.
8. Exchanging the rotors
In case on or more of the the 4 rotors are damaged (for example as a result of a crash),
this will have a negative impact on the Nano's performance. Please exchange the da-
maged rotor for a new one in this event. 4 spare rotors are already included the packa-
ge. Should those be used up, you may order 4 further rotors from your local dealer,
using the LRP-article number #222752.
Please bear in mind that the rotors cannot be exchanged in any order.
On every rotor, you will either find an "A(1/2)" or "B(1/2)" imprinted. Please exchange
the rotors of your Nano according to the following graph:
TIP: To remove the rotors from the motor shafts, you may use
a fork. Move two tines of the fork to the left and the right of the
rotor's middle and gently lever the rotor straight upwards off
the motor shaft.
When pressing the rotor onto the motor shaft, please make sure
to do so uprightly and completely.
The crossed-out wheeled bin means that within the European Union the product must be taken to separate
collection at product end-of life. Do not dispose these products as unsorted municipal waste.
LRP electronic GmbH
Hanfwiesenstraße 15
73614 Schorndorf
Deutschland
B(1/2)
A(1/2)
blue
white
A(1/2)
B(1/2)
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