Trim Step - JR X9303 2.4 Instruction And Programming Manual

TRIM STEP

The Trim Step function provides for adjusting the
sensitivity of the X9303 2.4 trim levers and switches. It is
useful during and after initial trimming of the helicopter
in order to trim the helicopter quickly at first, and then
to make very precise adjustments to helicopter trim. The
digital trims may have a setting of 0–10 with 10 being the
coarsest adjustment. When the value is set to 10, there are
only 10 trim increments from center to each end. When
set to 5, there are 20 trim increments from center to each
end. When set to 4, there are 25 increments. When set to
3, there are 34 increments, and when set to 1, there are
100 trim increments! When set to 0 the trim levers cease
to function and can no longer be used to change the trim
of the helicopter.
When adjusting the digital trims (AILE, ELEV, RUDD,
HOVT, HOVP), the total trim travel does not change – only
the number of increments (beeps) changes, which makes
for finer or coarser trim movements. When adjusting
the analog throttle trim, however, the total trim travel is
actually reduced when set to less than 100%.
2. Highlight and select the trim that is to be changed and
use the Selector to set a value of 1–10
(1 = finest, 10 = coarsest).
3. Repeat for other trims as desired.
[TRIM STEP]
THRO 100%
AILE
ELEV
RUDD
Use a fairly coarse setting, such as the factory default 4,
when test flying the helicopter in order to be able to trim
it quickly, and then use a finer setting, such as 3–1, for
final precision trimming. The exception to this would be
for Rudder. Since most Gyros amplify the servo's travel
and sensitivity, a trim value of 1 or 2 for the Rudder trim
usually achieves the best results.
1. Highlight and select TRIM STEP in the SYSTEM Menu
to acquire the TRIM STEP display.
HOVT 4
4 HOVP 4
4
4
H-9