Programming Example
Phase-Specific Pitch Trimming
The following example shows how to correct the
trimming of the phase-specific (and recallable) pitch
trimming through only one control element in all the
phases.
To understand this programming example make sure:
individual menu descriptions are read and under-
stood, be familiar with basic transmitter use, perform
the fixed-wing Receiver Configuration according to
the instructions (page 31), completely program the
model into the transmitter, mechanically adjust the
controls and understand the correct lateral deflec-
tion of all rudders. It helps, but does not hinder, if the
model has already performed test flights and received
the resulting adjustments.
Programming
To start adjusting pitch trimming, open the BASE sub-
menu Trim Step and assign a digital trim button.
Trim Step
In the example below, the control channel CH11
is normally unassigned in helicopter models. In
one of the two D.TRIM lines press to highlight blue
the NONE| button. Press the INC or DEC but-
tons or the arrow keys ( pq ) to select CH11:
BACK
PHASE 1
SERVO
T1
STEP
POS
SET
D.TRIM 1
T4
INC
RES
DEC
04
00%
000%
04
00%
CH 11
NONE
04
04
T2 T3
00%
00%
000%
000%
000%
D.TRIM 2
SET
VIEW
INH
ON
AUTO TRIM
CO
CTL
Trim Step
Back out and navigate to the FUNCTION submenu
Prog.MIX.
Prog.MIX
Bring up the desired phase.
Create a mixer function CH11 >> CH1 in any desired
phase:
CH 1
CH 9
CH 5
CH 2
CH 10
CH 6
CH 11
CH 3
CH 11
CH 7
CH 1
>>
BACK
CLR
CH 4
CH 12
CH 8
SERVO
PHASE 1 Prog.MIX
On the setting side of the mixer(s), define a symmetri-
cal mixing proportion. In the example below, the pro-
portion is 25 %:
BACK
PHASE 1
SERVO
Prog.MIX
CH11
A
OFFSET X
CTL
ON
000%
INC
RES
DEC
000%
CH1
>>
ACT
ON
B
OFFSET Y
+025%
+025%
TRIM
SYM
ON
ON
Note that the operating direction of the digital trim
button from the mixing direction and the trimming
distance (max. 37.5% at 125% admixture) are deter-
mined proportionally from the adjusted mixing ratio.
The D.TRIM1 button used in this example acts equally
on all available pitch servos without influencing the
throttle servo due to internal coupling.
232 Programming example - Trimming an rpm presetting
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