X20/X20S and Ethos v1.5.0 User Manual
Mixes
The Mixes function forms the heart of the radio. This is where the model’s control functions are
configured. The Mixes section allows any of the many sources of input to be mixed or
combined as desired and mapped to any of the output channels. Ethos has 100 mix channels
available for programming your model. Normally the lowest numbered channels will be
assigned to the servos, because the channel numbers map directly to the channels in the
receiver. The X20 Internal RF (Radio Frequency) module has up to 24 output channels
available.
The upper mix channels can be used as 'virtual channels' in more advanced programming, or
as real channels by using multiple RF modules (Internal + External) and SBus. The channel
order is a matter of personal preference or convention, or it may be dictated by the receiver.
We will use AETR (Aileron, Elevator, Throttle, Rudder) for our example.
The source or input to a mix can be chosen from analog inputs such as the sticks, pots and
sliders; the toggle switches or buttons; any defined logic switches; the trim switches; any
defined channels; a gyro axis; a trainer channel; a timer; a telemetry sensor; a system value
such as the main radio voltage or RTC battery voltage; or a ‘special’ value such as 'minimum',
'maximum' or 0.
This section also allows the source to be conditioned by defining weights/rates and offsets, and
adding curves (eg Expo). The mix can be made subject to a switch and/or flight modes, and a
slow function can be added. (Note that Delays are implemented in the logic switches because
they are related to switches.)
The mix editor includes contextual help information that dynamically changes as mix options
are touched. The first line shows the type of mix used, such as ‘Aileron’, ‘Elevators’, or ‘Free
Mix’ etc.
Up to 120 mixes may be defined. A new mix may also be added by tapping on the ‘+’ symbol
next to the column headings on the main mixes screen.
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