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8.4. Adjusting the transmitter controls
8.4.1. Dual-Rates
The Dual Rates facility alters the effect of a transmitter control for two directions of
operation when the Dual Rate switch is operated. The COCKPIT
MM
features Dual Rates
on three channels (aileron, elevator, rudder, or roll, pitch-axis and yaw in a helicop-
ter). The switchable reduced travel can be set to any value in the range 100 - 0%,
separately and independently for each channel. The default for all three transmitter
controls is 60%. The Dual Rates switch affects all three controls, i.e. all three func-
tions are switched simultaneously.
! If you don’t want to use Dual Rate, but have the switch installed, it is good prac-
tice to set both values to 100%. So nothing happens if the switch is moved inadver-
tently.
Dual Rate value rudder Travel of rudder control on TX Rudder movement
100 % Full travel e.g. 2 cm
e.g. 50 % Full travel 1 cm
In this example the Dual Rates switch alters the travels from 100% to 50% and back.
Full movement of the rudder stick then produces a rudder movement of 2 cm or 1
cm depending on the switch position. This means that you can easily adjust the
rudder response at any time to suit the way the model is flying:
e.g. small travels for high-speed flying, large travels for slow flying.
Preparation:
• Connect a 2-position switch to socket S2 to control Dual Rates
(see 4.1.6. COCKPIT
MM
expansion facilities)
This is how you set Dual-Rate:
Procedure Display
1.
Select the DRATE QR setting in the DRATE menu
(e.g. for aileron) and switch to the second line
2.
Move the Dual Rates switch to the position you
wish to correspond to „full travel“
3.
Set the Dual Rates value for the „full travel“ setting
to a large value, e.g. 100%
4.
Move the Dual Rates switch to the other position,
corresponding to „reduced travel“
5.
Set the Dual Rates value for the „reduced travel“
setting to a smaller value, e.g. 75%
6.
Return to the first line
Continue as shown in the flow chart
Repeat steps 1 - 6 as necessary for the two other transmitter controls.