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T.CV (Throttle Curve)
The throttle & pitch curves are tied to the position of the Throttle
/ Collective stick, and are specified at five points labeled 1through
5 below. These "curves" are really straight lines connecting the
settings at the five points, and are defined by assigning servo
movement percentages to five positions of the left stick:
Lowest stick position = Point 1,
1/4-up stick position = Point 2,
Half-stick = Point 3,
3/4 position = Point 4,
Top stick position = Point 5.
With the numbers defined as shown, the servo would move 50%
of full travel to one side at low collective stick position, and 50%
of full travel to the other side at high stick position.
Example Five-Point Curve
100%
75%
75%
63%
50%
50%
38%
25%
25%
Curve Point
0%
1
2
3
4
5
Low
Collective Stick
High
You can get a linear response by making the five settings line up
as shown above. But if you want another shape, you're free to
do it. You can "flatten out" or "soften" the curve around hover as
shown here.
This is handy for making the control less sensitive around hover.
5-Pt Curve Soft Near Hover
100%
Shallower
75%
75%
Slope in this
region
60%
50%
50%
40%
25%
25%
Curve Point
0%
1
2
3
4
5
Low
Collective Stick
High
Optic 6 Sport - Page 40
Setting Up The Throttle Curve
1. Press one of the Up Down EDIT buttons until the T.CV
window appears. The default is for a linear curve, a straight
line from 0 to 100% passing through 50% at hover
(center, point 3).
2. Be sure you're in the desired flight Mode by moving the Flt.
Mode (SW-1) switch to its proper position. Remember, you
can input separate, independent throttle curve settings for
each separate idle-up mode (except for ST3, throttle hold)!
3. You begin a point 1, which will be blinking. This is the idle
position and will have a default value of 0%. Press the
DATA +Increase or -Decrease button to change the setting
to your desired value, try about 15 to 20% to start with.
4. When you're finished with Point 1, move to the next point
with the CURSOR Right button. The number 2 position will
be blinking and that indicates you are setting the value for
Point 2. Note that the function is inhibited (Inh) to start with.
If you leave it, you get a straight line from points 1 to 3.
Otherwise, you can change this setting by pressing the
CLEAR button, and then changing the value with the
DATA +Increase or -Decrease button.
5. Repeat this procedure for Points 3, 4, and 5 by pressing the
CURSOR Right button, then adjusting as desired with the
DATA +Increase or -Decrease buttons.
6. When you've completed the settings for the Throttle curves
in the first flight mode (NOR), go the Pitch Curve section and
setup the pitch curves for the NOR mode.
!
Tip
Setting "Idle-Up" curves up in other flight modes
After you learn to fly well in the "NOR" mode, consider
programming the "Idle-Up" curves for doing more advanced
aerobatic or 3D maneuvers. Use the settings in the NOR
curve as a basis for the other flight modes used by
advanced heli pilots.
P.CV (Pitch Curve)
P.CV Pitch Curve
Like the throttle curve described previously, pitch curves are
tied to the position of the throttle / collective stick, just as
described in the Throttle curve section.
Setup instructions are the same as those for throttle curve,
except that you may also input a curve for the throttle hold/ST3
flight mode.
If you are a beginner, don't worry about throttle HOLD for awhile.
You can get a linear response by making the five settings line
up as shown above. But if you want another shape, you're free
to do it. You can "flatten out" or "soften" the curve around hover,
which is handy for making the control less sensitive there.
Inputting The Pitch Curve Values
1. Press one of the Up Down EDIT buttons until the P.CV
window appears. The default is for a linear curve, a straight
line from 0 to 100% passing through 50% at hover (center).
2. Be sure you're in the desired flight Modes by moving the Flt.
Mode switch (SW-3) to its proper position. Remember, you
can input separate, independent throttle curve settings for
each separate idle-up mode.
3. You begin a point 1, which will be blinking. This is the idle
position and will have a default value of 0%. Press the DATA
+Increase or -Decrease button to change the setting to your
desired value.
GYRO (Gyro Gain)
GYRO Gyro Gain
Gyro settings are used to automatically control the gyro's gain
in all 4 different flight modes. It may be set to different values
in NOR, ST1, ST2, and ST3 flight modes, allowing you to pick
the gain you need for each circumstance.
The Gyro settings control the output at receiver CH5. You
cannot independently control this channel with a switch.
There are many manufacturers of gyros. Not all of them setup
the same. Read your gyro manual for a full understanding on
its installation and setup.
Optic 6 Sport - Page 41
4. When you're finished with Point 1, move to the next point with
the CURSOR Right button. The number 2 position will be
blinking and that indicates you are setting the value for Point 2.
Note that the function is inhibited (Inh) to start with. If you leave
it, you get a straight line from points 1 to 3. Otherwise, you can
change this setting with the DATA +Increase or -Decrease
buttons.
5. Repeat this procedure for Points 3, 4, and 5 by pressing the
CURSOR Right button, then adjusting as desired by pressing
the CLEAR button, and then changing the value with the DATA
+Increase or -Decrease button.6. When you've completed the
settings for the first flight mode (NOR), test fly your model.
When you're satisfied with the settings, use them as a basis
for the other flight Modes.
Flip the switches as necessary to get into the new mode,
verify on the display that you are in the desired flight mode,
then set all the five points in by going through the steps given
previously
!
Tip
Where are the Hover Throttle and Hover Pitch controls?
Experienced Heli pilots may be looking for the hover throttle
and hover pitch controls on the Optic Sport. Stop looking as
there aren't any! Fine adjustment of hover throttle and pitch
can be done at the number 3 or middle curve point on both
the throttle and pitch curves menu.
Using Gyro Settings
1. Press one of the Up Down EDIT buttons repeatedly to get to
the GYRO menu. To begin with, the function is inhibited.
Press one of the CURSOR buttons to activate it. Once
activated, it's set to 50% in all four flight modes.
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