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===How can I get the Version 4.x.x ProEdition upgrade with AttitudeControl (Rescue bail out)? What does it cost?===
To upgrade your MICROBEAST PLUS/AR7210BX you need the latest StudioX Software. This allows to connect to the freakware Network and register your device to your personal account when you connect it to the computer. Then all available updates and upgrades for the device will be displayed individually. 
Regular device updates are free of charge. Upgrades that enable new functionality are not for free. You can see the prices and buy them directly from StudioX. Available upgrades and prices also can be checked at the [[http://wiki.beastx.com/index.php/BEASTX_Devices/en|product overview page]].
You can get StudioX here: [[StudioX/en|StudioX]]

===Is AttitudeControl (Rescue bail out) or Governor feature also available for MICROBEAST (device with silver aluminum case and without "PLUS") or AR7200BX/AR7300BX?===
No, unfortunately all of these features can only be offered for MICROBEAST PLUS/PLUS HD/AR7210BX. At least for the Spektrum AR7200BX/AR7300BX there is a firmware with nitro governor function available.

===After updating MICROBEAST PLUS from Version 3.x.x to Version 4.x.x. the collective pitch does not work correctly anymore===
As version 4.x.x can be upgraded with the AttitudeControl functionality it is required to set up thrust stick directions. Firmware Version 3.x.x did not provide such parameters therefore you must set the thrust stick positions by adjusting the collective pitch at Setup menu point K. Otherwise you can only control collective pitch into one direction. '''Please read the MICROBEAST PLUS ProEdition Addon manual carefully. There are also a few other things that are different to Version 3.x.x and that need to be readjusted.'''

===AttitudeControl can not be activated although it is switched on at Parameter menu point M===
When using MICROBEAST PLUS with a single-line receiver you must go into Receiver setup menu and assign the switch channel for AttitudeControl either by moving the switch on the transmitter at Receiver menu point J, by loading the default assignment or by skipping menu point J in order to use the gyro channel for the AttitudeControl.
'''Also when using a standard receiver you must go into receiver menu once, select "Standard receiver" as type at menu point A (if not done already) and then confirm the type selection by briefly pressing the button'''. If you don't do this the assignment gyro channel<->AttitudeControl is not set and you won't be able to switch AttitudeControl on and off. (Only applies to Fimware Version 4.0.0 and lower!) 
 
{{QUOTE|Please note that after adjusting the receiver setup menu for safety reason AttitudeControl (and also the RPM Governor function) will be reset to default. So after doing the adjustment in receiver menu select your desired AttitudeControl mode a Parameter menu point M again. Otherwise it will still not work. (Only applies to Fimware Version 4.0.0 and lower!)}}

===Using the tail gyro gain to activate AttitudeControl, how can I control AttitudeControl and switch the tail gyro gain with flight mode switch?===
If applicable you may use the free programmable mixing functions of your transmitter to mix your AttitudeControl switch on the tail gyro gain output. To enable AttitudeControl you must reverse the sign of the tail gyro gain channel. So by flipping the AttitudeControl switch you must subtract or add enough channel output so that the gyro gain channel will give the amount of desired AttitudeControl gain. In the following example it is shown how this may work out on a Spektrum DX18. We use switch H to activate/deactivate AttidueControl. The AttitudeControl gain is 50% (-50% channel output in this example). 
 
{|class="gallery"
|- 
|width="200pt" style="padding:0px 20px;"|[[Image:AttitudeControl_Spektrum_1.JPG|192px|none|border]]
|width="200pt" style="padding:0px 20px;"|[[Image:AttitudeControl_Spektrum_2.JPG|192px|none|border]]
|width="200pt" style="padding:0px 20px;"|[[Image:AttitudeControl_Spektrum_4.JPG|192px|none|border]]
|width="200pt" style="padding:0px 20px;"|[[Image:AttitudeControl_Spektrum_3.JPG|192px|none|border]]
|-
|width="200pt" style="padding:0px 20px;"|Create a new programable mixer
|width="200pt" style="padding:0px 20px;"|Here we just use a very simple mixer from Switch H to GYR channel
|width="200pt" style="padding:0px 20px;"|As the gyro channel (GYR) is 50% at the moment we subtract 100%
|width="200pt" style="padding:0px 20px;"|So when flipping the switch the channel moves to -50%
|}
We use a mixer from switch H to the GYR channel that subtracts 100% when flipping the switch. As the gyro gain may differ between different flight modes you can create one mixer for each flight mode. Each mixer subtracts as much as necessary to get always the same amount of AttitudeControl gain (in our example -50%). 
 
{|class="gallery"
|- 
|width="200pt" style="padding:0px 20px;"|[[Image:AttitudeControl_Spektrum_5.JPG|192px|none|border]]
|width="200pt" style="padding:0px 20px;"|[[Image:AttitudeControl_Spektrum_9.jpg|192px|none|border]]
|width="200pt" style="padding:0px 20px;"|[[Image:AttitudeControl_Spektrum_7.JPG|192px|none|border]]
|width="200pt" style="padding:0px 20px;"|[[Image:AttitudeControl_Spektrum_6.JPG|192px|none|border]]
|width="200pt" style="padding:0px 20px;"|[[Image:AttitudeControl_Spektrum_8.jpg|192px|none|border]]
|-
|width="200pt" style="padding:0px 20px;"|Mix1 subtracts 100% to get -50% in flight mode 1
|width="200pt" style="padding:0px 20px;"|Create a similar mixer for flight mode 2
|width="200pt" style="padding:0px 20px;"|In flight mode 2 gyro gain is 58%
|width="200pt" style="padding:0px 20px;"|Mix2 subtracts 108% to get -50% in flight mode 2
|width="200pt" style="padding:0px 20px;"|Create additional mixer for the other flight modes if necessary
|}

===AttitudeControl does not level my helicopter perfectly===
''On the ground everything seems perfect and even the first time I switch on AttitudeControl in flight on the helis levels ok. But after some time the heli is (extremely) tilted to the side when I switch on AttitudeControl again.'' 
 
The MICROBEAST PLUS AttitudeControl uses gyro sensors and accelerometers to build up the artificial horizon which is necessary to determine the heli's absolute position in space. This artificial horizon is highly dependant on the sensor data input and if the sensors fail, also the artificial horizon will. The sensors can especially be influenced by vibrations which cause them to show wrong data or loose some data at all. This will cause wrong calculations and in consequence cause a wrong repositioning of the heli. The gyro sensors of MICROBEAST PLUS typically are very vibration resistant and you might not see the influence of vibrations in normal flight without AttitudeControl. But as the calculation of the artificial horizon mainly is a big sum of all the sensor inputs over time, even the smallest influence can cause an offset of the system. Additionaly the accelerometers are much more sensitive to vibrations than the gyro sensors. As these are not used in normal flight most of the time, you will not see a direct influence of vibrations on them. But for the AttitudeControl these sensors have an important role and the system can only work with limited capability if these sensors fail. 
 
* Please make sure your helicopter is running smooth and absolutely free of vibrations. Particularly with very small electric helis this is sometimes a difficult task, as there is not much mass to compensate for the vibrations and all electric components are placed very close to each other. If you see or hear any abnormalities like twitching tail or loud, vibrant noise it is very likely the AttitudeControl will not work as expected. You may try to place the Microbeast PLUS unit at a different location on the heli or mount it with a different sort of gyro pad to compensate for those vibrations. Anyhow the best solution is to find the source of vibration, i.e. by removing tail and main blades and letting the motor run on the ground, and change defective/unbalanced parts. 
 
* Also high temperature changes can cause the sensors to drift and in consequence cause the artificial horizon get offset. When it's very cold outside or very hot make sure the system can acclimatize when moving the helicopter from warm to cold or from cold to warm. When there are still some very small vibrations the system will not recalibrate very often and so the horizon may not wander off by vibrations directly but due to temperature change. Even under this conditions typically the drift should be minimal and during a 5 minutes flight the artificial horizon should not wander off more than a few degrees into one or another direction.
 
* '''Make sure the system is perfectly aligned to the helicopter's rotation axis.''' Otherwise the measurements will be incorrect by principle.

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