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4.2. PROGRAMMING THE FACTORS
4.2.1. Programming, transmitter with proportional controls
If your HoTT transmitter is equipped with proportional controls, it is also possible to adjust the P and D factors for each
axis during a ight: what you might call ‘ying the settings’.
You need to assign proportional controls (e.g. the sliders on the mc-20) to any channel in the range 5 to 16 (in this example
channel 9); now you can alter the P factor (and the D factor) using these controls. In each case the current values are shown
in brackets.
Procedure, using the ailerons as an example
• Move the cursor to the appropriate line, in this case “Ail” for aileron.
• Press the SET button to activate the Channel eld.
• Select the appropriate channel, and save the setting with pressing
the SET button again
• Move the corresponding proportional control to alter the factor
(adjustment range 0 - 10; 0 means no gyro correction for that axis).
• You can also adopt this factor directly by pressing the left button < or
the right button >. This frees up the channel previously occupied by
the proportional control, so that it can be used for some other purpose,
e.g. for elevator or rudder.
• Move on to elevator and / or rudder, and select the channel and factor (you can either select the same channel, in order
to alter all the axes simultaneously, or dierent channels, allowing you to program the axes individually).
• Move the cursor to the Factor line, where you can also change the P factor for aileron, elevator and rudder with priority
(adjustment range up to 200%).
• Move the cursor to the D factor line, where you can alter the D factor for aileron, elevator and rudder with priority using
a proportional control (adjustment range up to 200%; channel value -100% equates to a factor of 0%, channel value 0%
equates to 100%, and +100% equates to 200%). This makes it a very easy matter to match the gyro’s corrective eect to
the model’s airspeed. In particular, higher gyro gain can be used for the landing approach - without the need to switch
ight phases.
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