FUTABA 8UHPS Instruction Manual page 29

The throttle curve normal function is used to input the normal (NORM) throttle
curve, which is usually not a linear response to throttle stick motion. The normal
throttle curve is the basic throttle curve intended for flight around hover. Together
with the pitch curve (normal), the throttle curve is adjusted for best climb at a fixed
engine RPM. You can program a 5-point throttle curve to get the best engine
response relative to throttle stick motion. Each point of the curve can be adjusted
over a range of 0% to 100%.
There are three throttle curves in your transmitter: normal (NORM), idle-up 1
(IDL1), and idle-up 2 (IDL2), but only the basic normal throttle curve is displayed in
the Basic Menu. The normal curve can be seen and programmed in either the Basic
or Advance Menus, but the others are only accessible in the Advance menu.
Setting the Normal throttle curve
Top arrow indicates the
current stick position (2
arrows means it's
between points)
Curve Name
Curve Point
Display
Value
(NORM)
(Range: 0 -
+100%)
*The Throttle Curve
Normal function is
normally on.
The blinking item on the
setting screen is the
current setting item.
Curve points 1-5
The bottom arrow shows the point on
the five-point curve currently being set.
1. Turn the TH-CRV function ON
by pressing the (+) key ("ON"
displayed). Turn off (INH) the
function with the (-) key.
2. Input 5-point curve values
Move the lower arrow to the
position you want to set with the
CURSOR keys (the curve point is
displayed below the numbers 1-5,
and the current throttle position is
above the numbers). Set the curve
value with the (+)/(-) keys.
• If you're unhappy with what
you've set, you may return to the
default value by pressing the (+)
and (-) keys simultaneously.
Initial values:
POS1 = 0%
POS2 = 25%
POS3 = 50%
POS4 = 75%
POS5 = 100%
26
To PI-CRV These keys are used to move
function through the five submenus in
the TH-CRV function.
To TIMER function
Example Throttle Curve
Norm Five-point Curve
50%
30%
0%
1 2 3
Curve Point
← throttle stick → HI
LOW
Data input keys
100%
75%
70%
50%
25%
0%
4 5