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master servo is doing, using 100% of the slave channel’s range to do so. An example is
FLAPERON, when aileron stick is moved, the flap servo is told to move exactly the same amount. A
50% linear mix would tell the slave servo, for example, to move to 50% of its range when the
master’s control is moved 100%.
• Offset: An OFFSET mix is a special type of linear mix. When the mix is turned on (usually a flip of
a switch), the slave servo is moved a set percent of its range. An example of this is AIRBRAKE,
moving flaps, FLAPERON, and elevator all to a set position at the flip of a switch.
• Curve: Curve mixes are mostly used in helicopters, but may also be used in airplanes and gliders.
An example is THROTTLE-NEEDLE mixing, where the in-flight needle’s servo is moved, changing
the mixture, as the throttle servo is moved.
• Delay: Delay mixes are part of a few very special functions that make the servo move to its desired
range more slowly.
THROTTLE DELAY (simulates turbine engines) and the elevator delays in AIRBRAKE are two
examples of this. DELAY in HELI is another example that slows the servo movement to the trim
settings for the other conditions.
Essentially every feature in the radio's programming is really a mix, with all
assignments/programming set up and ready to use. Additionally, the AT10II ACRO and GLID
programs both provide 4 linear and 4 curve fully-programmable mixes ( HELI provides 4 linear and
2 curve) that allow you to set up special mixes to resolve flight difficulties, activate additional
functions, etc.
Let’s look quickly at a few examples that are features we’ve already covered. This may help to
clarify the mix types and the importance of mixes:
Additional example:
• Exponential is a preprogrammed curve mix that makes the servos’ response more (+) or less (-)
sensitive around center stick (works in conjunction with dual rate, a linear mix that adjusts the total
range). see D/R,EXP,
• IDLE-DOWN and THR-CUT are two OFFSET pre-programmed mixes. These tell the throttle servo,
when below a certain point, to move toward idle an additional set percentage to help close the
carburetor.
• ELEV-TO-FLAP mixing is a pre-programmed linear mix to move the flaps proportionally to elevator
control, helping the model loop even tighter than it can on elevator alone.
• THROTTLE-NEEDLE mixing is a curve mix (like PROG.MIX 5 to 8) for proper in-flight needle
setup.
• THROTTLE DELAY mixing is a pre-programmed delay mix that slows down the response of the
CH3 servo.
Next, we'll get an in-depth look at some pre-programmed mixes (mixes whose channels are
predefined for simplicity) we’ve not covered yet, and last, look at the fully-programmable mix types.
3.3.1 Program MIX
AT10II contains four separate linear programmable mixes. (Note that mixer #5-8’s mixing RATE are
set with a 5-point curve. HELI has mixer #5-6's mixing. See CURVE MIXES
There are a variety of reasons you might want to use these mixes. A few are listed here. All of the
adjustable parameters are listed below, but don’t let them scare you. For your first few times
experimenting with mixes, just turn on the default mixes, adjust them how you think they need to be,
then use the servo screen to check and see if you were correct. As with all functions, a sample
setup follows, step by step, to assist you.
