GRAUPNER GR-18 - 4.2. PROGRAMMING THE FACTORS; 4.2.1. Programming, transmitter with proportional controls

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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 dierent 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 eect 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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