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Merge branch 'tricopter-yaw-docs' of git://github.com/sherlockflight/cleanflight-dev into sherlockflight-tricopter-yaw-docs 

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	docs/Controls.md
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Dominic Clifton 2015-05-14 19:18:55 +01:00
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@ -43,3 +43,38 @@ The stick positions are combined to activate different functions:
Download a graphic [cheat sheet](https://multiwii.googlecode.com/svn/branches/Hamburger/MultiWii-StickConfiguration-23_v0-5772156649.pdf) with Tx stick commands (the latest version can always be found Download a graphic [cheat sheet](https://multiwii.googlecode.com/svn/branches/Hamburger/MultiWii-StickConfiguration-23_v0-5772156649.pdf) with Tx stick commands (the latest version can always be found
[here](https://code.google.com/p/multiwii/source/browse/#svn%2Fbranches%2FHamburger)). [here](https://code.google.com/p/multiwii/source/browse/#svn%2Fbranches%2FHamburger)).
## Yaw control
While arming/disarming with sticks, your yaw stick will be moving to extreme values. In order to prevent your craft
from trying to yaw during arming/disarming while on the ground, your yaw input will not cause the craft to yaw when the
throttle is LOW (i.e. below the `min_check` setting).
For tricopters, you may want to retain the ability to yaw while on the ground, so that you can verify that your tail
servo is working correctly before takeoff. You can do this by setting `tri_unarmed_servo` to `1` on the CLI (this is the
default). If you are having issues with your tail rotor contacting the ground during arm/disarm, you can set this to
`0` instead. Check this table to decide which setting will suit you:
<table>
<tr>
<th colspan="5">Is yaw control of the tricopter allowed?</th>
</tr>
<tr>
<th></th><th colspan="2">Disarmed</th><th colspan="2">Armed</th>
</tr>
<tr>
<th></th><th>Throttle low</th><th>Throttle normal</th><th>Throttle low</th><th>Throttle normal</th>
</tr>
<tr>
<td rowspan="2">tri_unarmed_servo = 0</td><td>No</td><td>No</td><td>No</td><td>Yes</td>
</tr>
<tr>
<td>No</td><td>No</td><td>No</td><td>Yes</td>
</tr>
<tr>
<td rowspan="2">tri_unarmed_servo = 1</td><td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td>
</tr>
<tr>
<td>Yes</td><td>Yes</td><td>Yes</td><td>Yes</td>
</tr>
</table>