User Manual
V1.0
CONTENT
XAircraft MiniX Overview ............................................................................................................... 2
Products Specification ............................................................................................................ 2
MiniX Construction .......................................................................................................... 2
MiniX Features................................................................................................................... 3
MiniX Interface .......................................................................................................................... 5
MiniX Flight Mode.................................................................................................................... 6
LED Indication ............................................................................................................................ 6
MiniX Quick Guide ................................................................................................................... 7
Notes for Use ............................................................................................................................. 7
Installation ........................................................................................................................................... 8
Install MiniX Modules ............................................................................................................. 8
Connection to Receiver .......................................................................................................... 9
Connect to Receiver ........................................................................................................ 9
Power Supply ............................................................................................................................. 9
MiniX Connect with Computer .................................................................................................... 9
Copter Types MiniX Supports..................................................................................................... 10
Calibration Mode ............................................................................................................................ 12
Compass Calibration ............................................................................................................. 12
RC Neutral Point Calibration .............................................................................................. 14
RC Reverse Calibration ......................................................................................................... 14
Motor Start / Stop .................................................................................................................. 15
Auto Take-off............................................................................................................................ 15
Height Hold .............................................................................................................................. 15
Attitude Gain ............................................................................................................................ 16
Safe Mode ................................................................................................................................. 17
Manually Activate Safe Mode .................................................................................... 18
Fail-safe Setting .............................................................................................................. 18
About Home Position ................................................................................................... 19
Get Back the Control ..................................................................................................... 19
MiniX OSD Module ........................................................................................................................ 20
Firmware Upgrade and Configuration Software Update.................................................. 22
Flight Controller Information and Language ........................................................................ 23
XAircraft MiniX After-sale Service ............................................................................................. 24
DISCLAIMER OF LIABILITY
1.
Using XAircraft products within the limits permitted by local laws and regulations. XAircraft is not responsible
for any illegal activities.
2.
The MiniX is an aeromodelling product only. Please strictly follow the aeromodelling safe instruction rules;
XAircraft are not responsible for the use and operation of the aircraft.
3.
Model aircraft are not toys! Fly under professional guidance and strictly follow instruction rules in this
document. XAircraft is not responsible for consequences caused by improper installation, incorrect setting or
operation.
Security Notes
.
1.
Familiarize yourself with flying environment and any obstacles. Identify any potential hazards such as power
lines, cars, people, etc.
2.
Do not fly the aircraft when fatigued, drunk or your mental state has been compromised which may cause an
accident.
3.
Stay away from wet areas. Do not fly in the rain or wet environments which can cause device failure and
probably lead to danger. Do not fly at night or in windy conditions.
4.
Stay away from any fire resulting in damage of the electronic parts or others such as the flight battery.
5.
Do not fly alone during your preliminary flights. If you need help, please enlist the aid of an experienced pilot
before flying for the first time.
6.
Prepare rescue tools such as cell phones or other communication devices should you need to call for help.
7.
Please fly under the safe take-off weight, do not overload the aircraft otherwise will lead to danger.
8.
Ensure all the equipment operates correctly before flight and that there is no transmitter interference or
conflicts.
9.
Do not touch any moving or powered parts. Do not try to catch the copter which has rotating motors or
blades for example. Keep loose clothing away from moving parts as they may get caught and could cause
physical harm.
10. Always throttle down to minimum before flying.
11. Remove the propellers when testing the remote device or motors operation. Attach the propellers after you
have tested that everything is working good to prevent an accident.
12. Assemble the aircraft with accessories XAircraft provides. XAircraft is not responsible for any consequence
resulted from assembly with other accessories or modifications.
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1
XAircraft MiniX Overview
XAircraft MiniX is designed for multicopter, support 2 to 8 rotors.
Products Specification
MiniX Construction
Flight Controller System
The Flight Controller is the core of the system and is
connected to GPS/compass and RC receiver for flight. It
also has the black box flight data recording function which
maintains the flight records for 40 minutes allowing users
to view and share flight records.
GPS Module
GPS is used to identify the location of the aircraft and it’s
heading via the compass.
OSD Module
The On Screen Display module is an accessory.
It superimposes flight data over your video image for the
pilot*. Aircraft attitude, flight mode, satellite number,
height, speed, and voltage alarm information is provided in
real time.
*Other equipment required for viewing
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XLINK GROUND STATION
Includes XLINK AIR and XLINK GROUND modules.
XLINK AIR is connected to the FC on the aircraft with XLINK
GROUND connected to a computer, mobile phone or
tablet to allow route planning by ground station.
MiniX Features
1)
Three flight modes supported: Manual ,ATT and GPS
2)
ATT and GPS mode offers a high accuracy altitude hold.
3)
More security options are available. For example the onboard failsafe can be preset for
GO-home, auto landing/hover and can auto land at low voltage.
4)
Built-in green configuration software for PC, no need to download any drivers or additional
software.
5)
Digital ground station communication and control modules allow Android Tablet App
operation and flight data.
6)
Built-in Black box flight recorder module extension and firmware upgrade support
7)
Intelligent low voltage protection
MiniX Technical Parameters:
Description
Performance
Output characteristics
333Hz ESC control frequency defaulted standard ESC
UltraPWM output configurable
100HzServo control frequency
Hover precision
Vertical: ±1.0m
Horinzontal:±2.0m
Anti-wind capacity
<8m/s (17.9mph / 28.8km/h)
MaximumRudder
200°/s
angular velocity
Maximum tilt angle
35°
Maximum lifting speed
±5m/s
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Working environment
-10°C ~ 55°C
Radio
Configuration software
Windows system ONLY
Super Anti-Magnetic interference
Bulit-in Black box support
Configurable UVP support
SBUS or PPMreceiver(normal types requires SBUS switch module)support
Module Parameters:
Product
Voltage
Weight
Input Voltage : 7V~50.4 V
FC
(2S~12S)
L:45.4mm
21.6g
Output Voltage:5.8V,≤3A
GPS
4.8V ~ 6.0V
Dimension
W:30.15mm
H:17.43mm
17.5g
Diameter:50.6mm
H:16.2mm
L:32.7mm
OSD
4.8V ~ 6.0V
4.3g
W:18.8mm
H:9.3mm
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MiniX Interface
PORT
Function
BAT
Power,Li-Po battery(2S~12S, 7V~55V)
S.BUS
Receiver
OUT(1,5)
M1/M5 ESC(Black/white cable to M1,Red/Orange cable toM5)
OUT(2,6)
M2/M6 ESC(Black/white cable to M2,Red/Orange cable toM6)
OUT(3,7)
M3/M7 ESC(Black/white cable to M3,Red/Orange cable toM7)
OUT(4,8)
M4/M8 ESC(Black/white cable to M4,Red/Orange cable toM8)
PORT
Extension Module
PORT
Extension Module
S.BUS/PPM CHANNEL SETTING
Channel
Description
CH1
AILE / Roll
CH2
ELEV / Pitch
CH3
THROTTLE
CH4
RUDD / Yaw
CH5
Flight Mode
CH6
Safe Mode
CH7
Attitude
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MiniX Flight Mode
Performance
Flight Mode
IO
No Auto-Horizontal ability, no height hold
Explanation
Not recommended
Manual Mode
for beginners.
function
Auto-stabilize after sticks released. Height held
Attitude Mode
at throttle center. Pilot commands multirotors
position.
GPS signal is available with five satellites or
more, auto-stabilize after sticks released and
When M input
M
unconnected,
enters GPS position hold.Height hold at throttle
MINIX is in GPS
center.
ATT Mode by
Default.
Note, If
GPS Module is
disconnected,
GPS signal lost or weak, or the compass
GPS Mode
receives interference, ATT mode is entered
automatically
Safe Mode
Autopilot Mode in emergencies, Return to
Home (Tail in) and auto landing by default.
S
LED Indication
Red LED flashing means do NOT fly. Red flashing in the air when RTH not commanded: the pilot
should land immediately and check the multi rotor.
Flight Mode
Calibration
Flight Status
LED
Manual Mode
Blue flashing
Attitude Mode
Green flashing
GPS Mode(Good Signal)
Green-Green flashing
GPS Mode(No Signal/Signal is weak)
Green-Red flashing
Safe Mode
Red-red flashing
Enter Calibration Mode
Purple flashing
Calibration Completed
Solid Green
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Firmware
Upgrade
Upgrading
Green flashing
System initialization or Self-check has failed(System can be Solid Red
initialized in 10mins, it may take a little more in code
weather
Error Status
System error: module communication failure or RC signal
Red flashing
incorrect. Strong interference of magnetic happens in GPS
Mode.
Weak signal or interference of Compass in GPS Mode.
Yellow flashing
MiniX Quick Guide
XAircraft MiniX is an easy-to-use product. User can start to fly after few setups.
1.
Install every module according to manual, and then connect the ESC. See: Copter Types MiniX
Supports. Notice: do not install the blades in order to personal safety during the setting
process.
2.
Connect to configuration software (MiniX Connect with Computer) and choose correct copter
types and ESC. If you use UltraPWM ESC, please DO select corresponding option. Wrong ESC
setting can lead to danger! See: Copter Types MiniX Supports.
3.
RC Calibration: Compass Calibration completed when re-power on.
Notes for Use

Do not use GPS ATT Mode and Return to Home function in the areas which suffer from
magnetic interference, for example, between buildings or indoor .

If calibration keeps failing check if there is strong magnetic source interfering GPS module

If you fly in a new place should re-calibrate the GPS Compass Module.
4.
RC Neutral Point Calibration, RC Reverse Calibration.
5.
Compass Calibration.
6.
Double check whether the wiring of ESC and motor is OK. After motor rotation is confirmed
right, install the blades then fly.
7.
During the flight, you can use gain knob (G channel) to adjust the aircraft’s auto-leveling
performance. Please see the detail: Attitude Gain.
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Notes for Use
Due to geographical limit and magnet influence on GPS module, please note:
1.
Do not use GPS ATT Mode and Return to Home function in the areas which suffer from
magnetic interference, for example, between buildings or indoor.
2.
Do not use GPS ATT Mode and Return to Home function in polar region.
3.
GPS module should avoid high voltage lines, and keep cables tidy around GPS.
4.
When calibrating the compass, you do not have any electronic or magnetic objects such as
cell phones.
Installation
Install MiniX Modules
Connect Flight Controller, GPS Module, OSD Module as diagram shows.
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Flight Controller installation notice:
1.
Should be installed in cg position on copter.
2.
Should pay attention to install direction, the triangle points to the head of copter.
GPS module installation notice:
1.
Horizontal install, higher than other electronic equipment.
2.
Should pay attention to install direction, the triangle points to the head of copter.
3.
Close to Flight Controller.
4.
Far away from motor and other electric equipment.
Connection to Receiver
Connect to Receiver
Power Supply
MiniX use JST-3Pin signal (Futaba) power wire, one end connected to lipo battery and the other
connected to BAT port on FC.
*Battery Range:2S~6S
MiniX Connect with Computer
1.
MiniX power on. (USB of computer does not supply power to MiniX)
2.
After Flight Controller connected with computer, your windows shows a disk named“MiniX”
in “My computer“
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When you see this removable device, it means MiniX is connected to the Computer.
1. Configuration software of MiniX is green software. Just need to run the MiniX.exe file to open
it.
Warning: Do not change any file in in the MiniX directory.
Copter Types MiniX Supports
Firmware
Copter type
Quad copter ((X and + Style)
Quad copter (X and + Style)
Standard
Hexacopter (X, + and Y6 Style)
Quad copter (X and + Style)
Hexacopter (X, + and Y6 Style)
Octacopter (X, + and X8 Style)
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Supports all kinds of copter types, and custom types.
According to copter and ESC you are using; choose correct Frame and ESC type.

UltraPWM ESC: for original XAircraft UltraPWM ESC, for X450, X450 Pro, X650 and X650 Value.
Notice: in the following diagram, the arrow direction means to rotation direction of motor
and blade. When you install propeller, please make sure its direction downward.
Quadcopter(X and + Style)
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Hexacopter(X, + and Y6)
Notice: The outer-race motors are top-motors M1, M3 and M5 of Y6 copter; inter-race are
bottom-motors M2, M4 and M6.
Octacopter(X, + and X8)
Notice: The outer-race motors are top-motors M1, M2 M3 and M4 of X8 copter; inter-race are
bottom-motors M5, M6, M7 and M8.
Calibration Mode
Compass Calibration

Please make sure GPS wiring and all the channels set up properly in your RC transmitter.

Cancel all trims on radio before calibration and throttle stick down.

Rapidly flick the Flight Mode Switch(Channel 5) until purple flashing on LED

Zero throttle then rapidly altering Mode Switch, LED solid green to enter Compass
Calibration.

Horizontally rotate the aircraft, LED blue slow flashing indicates horizontal calibration
completed. Show as below:
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Copter stays horizontal
Revolving slowly until slow green LED flashing
 Then vertically rotate until solid green, show as below:
Copter side up

Rotate slowly until LED solid on
Compass Calibration completed when re-power on.
Notes for Use

Do not use GPS ATT Mode and Return to Home function in the areas which suffer from
magnetic interference, for example, between buildings or indoor .

If calibration keeps failing check if there is strong magnetic source interfering GPS module

If you fly in a new place should re-calibrate the GPS Compass Module.
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RC Neutral Point Calibration

Cancel all trims on radio before calibration.

Rapidly flick the Flight Mode Switch until LED is flashing Purple.

Throttle up to neutral point, Led green-green flashing, show as below

Release stick as shown and rapidly flick the Flight Mode Switch until solid green from LED.

RC Neutral Point Calibration completed when re-power on
RC Reverse Calibration

Cancel all trims on radio before calibration

Rapidly flick the Flight Mode Switch until LED is flashing Purple.

Both sticks to top-right corner as shown below,LED green-green-green flashing

Rapidly flick the Flight Mode Switch until solid green from LED

RC Reverse Calibration completed when re-power on
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Motor Start / Stop
Follow diagram as below: Push sticks both toe-in or toe-out to start motors, then motors are
running slowly. If the motors do not start after the operation, please check wiring of receiver and
reverse setting of radio.
Motor will stop under conditions below:
1)
After motors started, if there is no pushing throttle in 3 seconds, another
down-inside/down-outside operation can stop the motors immediately.
2)
When copter already landed and throttle down to lowest, motors stop immediately.
3)
When copter still in the air and throttle down to lowest, motors will stop in 3 seconds.
Notice: After motors stopped in the air, you can push throttle to restart the motors in 3 seconds.
The conditions motor cannot be started:
1)
LED shows red or flashes red.
2)
LED shows yellow with the weak interference of magnet in GPS Mode.
3)
Not connect with receiver in a right way or not calibrate RC reverse correctly.
Auto Take-off
Push throttle to neutral point immediately after motors started, MiniX will auto take -off and hang
about on 1.5 meters high. The height hold precision is affected near the ground; some types of
small copter can get rid of the ground effect about 1 meter high.
Height Hold
Notice:
1.
In manual mode, Height Hold function is unavailable.
2.
In other flight modes Height Hold function is always on.
Keep Height when throttle at
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Lifting when throttle higher
Falling when throttle lower
15
neutral point
than neutral point
than neutral point
During a fast cruise flight, copter height variance is normal due to the varying pressure.
Attitude Gain
When copter payloads or power changed, or using different frames, you will need to adjust
attitude Gain to profit stable flight.
Attitude Gain is divided into two parts, Basic Gain and RC Gain:
1.
Basic Gain: needs to be set in software. A knob (RC Gain Input) adjusts the attitude gain
based on this basic gain.
2.
RC Gain: If G input on IO module is connected, you can use a knob on radio to adjust roll and
pitch attitude gain. You can adjust 50%~ 200% gains on the basic gain. If it’s still not enough
tuned when the knob is at max./min. position, then go to adjust Basic Gain on software.
Gain adjusts tips:
1.
For first use MiniX, we recommend to use default basic gain, and center the knob on radio if G
input is connected.
2.
If auto-leveling is weak, turn up the attitude gain.
3.
If copter jitters in hovering flight or auto-leveling, need to turn down attitude gain.
4.
We recommend setting gain as higher as possible if the copter does not jitter.
Notice:
©2013 XAircraft All Rights Reserved.
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The Gain value from RC is saved after landing. Thus, if you disconnect the Gain input, MiniX will
continue use the last RC Gain to control the copter.
Under Voltage Protection (UVP)
Please select UVP protection in configuration software
MiniX can detect the capacity of Li-po battery digitally when your battery is in good condition.
1.
When voltage drops below3.6V the LED flashes Red-Red-Red. This is your low voltage
warning.
2.
If lower than 3.5V for 5 seconds the LED changes to fast flashing Red with the aircraft
descending slowly. Add more throttle to maintain altitude until you can land safely.
Safe Mode
MiniX will start autopilot when Safe Mode is activated. The Safe Mode is activated under
conditions below:
1. Manual turn on Safe Mode on radio when you lost the attitude of the copter. For example,
the copter is far away and you are not clear to judge the attitude.
2. The receiver enters fail-safe mode or RC signal exception triggers safe mode unusually
when RC signal lost : like over RC distance and RC signal failure.
MiniX support 4 types of autopilot for Safe Mode:
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1.
Return to home and landing(tail in): copter turns its tail towards home (H) and then lifts up
to 15m height (relative home point H), then returns to home and land.
2.
Return to home and landing (nose in): copter turns its head towards home (H) and then lifts
up to 15m height (relative home point H), then returns to home and land. This option is
suitable for FPV.
3.
Hovering: Copter will hold its position and wait for your control.
4.
Landing: Copter will auto-land when the Safe Mode is activated.
Manually Activate Safe Mode
Turn on Safe Mode through the Safe Mode switch on radio, and then LED shows Safe Mode.
If LED does not indicate Safe Mode, please check remote control settings and the wiring of
receiver.
Fail-safe Setting
Set Fail-safe on radio to make the receiver outputs “safe mode on” signal for Flight Controller
when RC signal is lost.
Check: After setting fail-safe, should power on MiniX and turn off the transmitter, then the LED
shows Safe Mode. If LED does not indicate Safe Mode, please check radio settings again.
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About Home Position
1.
If GPS has good signals before take-off, the home position is the place where motors started.
2.
If GPS no signals before take-off, the home position is the place where GPS gets enough
satellites to work.
Get Back the Control

If the RC Signal is normal, turn off the Safe Mode by switch, you will get back the control of
flying immediately.

RC signals is back to normal, if throttle is not at lowest level and the Safe Mode switch is OFF,
you will get back the control of flying.
Notice: If GPS lost signals during returning to home, MiniX will auto land immediately.
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MiniX OSD Module

System: choose corresponding video system according to your camera equipment.

Attitude Line Style


FPV Style: For the first-person view, the horizon on the screen refers to the real horizon.

Gimbal Style: The horizon on the screen reflects the attitude angle of aircraft.
Low Battery Alarm: When the battery voltage is lower than configured voltage, OSD raises
the alarm. Besides preset voltage, you can enter a number directly(please use English period),
the following picture shows 15.1V:
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OSD Diagram on Screen
1. Number of Satellite: The number of satellite that GPS has picked up. There are 10 satellites in
the diagram.
2. Battery Voltage: The voltage of battery. The diagram shows that the battery voltage is 14.3V.
3. Horizontal Velocity: The present velocity is 0.1m/s in the diagram.
4. Flight Mode: It may show M-Manual Mode, A-Attitude Mode, S-Safe Mode, G- GPS Attitude
Mode or W-Waypoint Mode. The present status is GPS Mode in the diagram.
5. Throttle: It’s 50% throttle in the diagram.
6. Horizontal Line: When OSD works at the FPV style, horizontal line can be regarded as real
horizon. When OSD works at the gimbal style, horizontal line can be regarded as attitude
angle of aircraft. The working mode of OSD can be changed in MiniX configuration software.
7. Pitch: Aircraft is at the status of pitching down in the diagram.
8. Low Battery Alarm: When the real voltage is lower than configured voltage, OSD raises the
alarm. You can set the alarm voltage in MiniX configuration software.
9. Safe Mode: When screen flickers this message, MiniX works under safe mode.
10. Heading: This heading indicates heading angle related to the take-off point. It’s nose in
when it shows 180 degree; and it’s tail in when it shows near 0 or 360 degree.
11. Horizontal Distance: The current horizontal distance between aircraft and take-off point (over
4 satellites were found before taking off). The diagram shows 23m from take-off point.
12. Height: The current height from the take-off point. The diagram shows the aircraft is at height
of 14m.
13. Vertical Velocity: A down arrow in the sketch shows that the aircraft is descending at a speed
of 0.9m/s.
14. Video Channel: A display of your flight time.
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Firmware Upgrade and Configuration
Software Update

Upgrade Firmware
1.
Connect MiniX to Computer.
2.
Copy Firmware file (.xfw document) to root of removable disk “MINIX”, as diagram shows.
3.
Eject MiniX disk.
4.
Repower on MiniX Flight Controller, MiniX will auto upgrade Firmware.
5.
After LED altering green-red flashing, firmware upgraded done.

Upgrade Configuration Software
When MiniX firmware is released, related configuration software also is updated. Using inappropriate
configuration will damage MiniX configuration files so that it would trigger flight accident.
1. According to the release note of firmware, you can download the configuration software.
2. Copy MiniX. exe to root of removable disk ”MiniX ”, and then cover the old version.
3. Open configuration software.
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Flight Controller Information and Language
The FC ID is a unique number for this Flight Controller, please keep it in secret.
©2013 XAircraft All Rights Reserved.
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XAircraft MiniX After-sale Service
1.
Warranty Items
1)
XAircraft provides a manufacturer's warranty on electronic parts caused by non-accident
error or non-human error. It doesn't include the non-electronic parts like cover, wires and
so on.
2)
The warranty period is 6 months from the date of purchase.
3)
During the warranty period, XAircraft will repair or replace for free within the warranty
scope.
2.
Situations below are NOT INCLUDED in the warranty
1)
Users disobey the XAircraft manual while installing or operating your XAircraft products.
2)
Performance failure caused by worn-out, misuse, improper operation or chemical
reagent.
3)
Performance failure caused by intermixed with non-XAircraft Parts.
4)
Performance failure caused by modifications.
5)
Performance failure on electronic device caused by liquid damage-in.
6)
Performance failure caused by electronic interference.
7)
Performance failure on electronic parts caused by using low quality battery or choosing
an unreasonable voltage source.
8)
Performance failure caused by incidents or human error such as transportation, collision,
improper operation or connecting to a wrong voltage source.
9)
Performance failure caused by irresistible force including but not limited by fire,
earthquake, lightning and so on.
10) Damage or loss during the shipping. Please consult to the relevant logistics corporation.
3.
Procedure of Service
1)
When your XAircraft products have performance failure, please contact distributor/seller
immediately in order to confirm the failure condition, the range and way of service. You can
email us: service@xaircraft.com. At the same time, you have to offer some evidence and
details:
2)
a)
Proof-of-Purchase of XAircraft product.
b)
Product ID, you can find it in the configuration software.
c)
Description in details such as the weather, environment, operation and aircraft motion.
d)
Your contact information.
XAircraft or global distributor/seller strictly follows the warranty items to confirm the scope of
service.
3)
Users may have to pay for the repair necessary according to damage assessment which
©2013 XAircraft All Rights Reserved.
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XAircraft or global distributor/seller will contact you to confirm whether it's satisfied for you.
For the repairable parts you can choose to replace under the range of warranty scope;
otherwise we have to declare as a disabled product while beyond the warranty range.
5.
1)
Shipping Fee
Users in China Mainland have to pay for the return shipping if XAircraft product has a
performance failure during the warranty items. Beyond the warranty items users have to pay
for the shipping fee out and back.
2)
Users outside the China Mainland have to contact the local distributor/seller for centralized
treatment in order to save shipping cost.
©2013 XAircraft All Rights Reserved.
25
support@xaircraft.com
http://www.xaircraft.com
Guangzhou JiFei Electronics Technology Co., Ltd (XAircraft) has the final power of interpretation
on this manual.
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26