JR Direct Radio XP662 User Manual download pdf (Page 69)

XP662 MANUAL Helicopter

CHAPTER 7: FUNCTIONS (FUNCTION MODE)

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Helicopter

Programmable exponential adjustments are offered

on the aileron and elevator channels of your XP662

system. Exponential is a function that allows you to

tailor the response rate of the controls as compared

to the stick inputs. The purpose of exponential is to

reduce the sensitivity in the middle portion of stick

movement, while still allowing full travel at the end

of the stick movement. In other words, the end result

(travel) remains the same, although exponential

changes the rate at which it achieves this travel.

The adjustable range of the Exponential function is

from 0–100%. Zero percent (0%) is linear stick

control which means that the response rate is equal

throughout the stick control. One hundred percent

(100%) is full exponential. The larger the exponential

value, the less servo action, or sensitivity, you will

notice around the neutral setting.

Note: The Exponential function operates in

conjunction with the Dual Rate function. It is

imperative to understand the Dual Rate Function

prior to adjusting the exponential values.

Exponential may be selected independently for

either the high or low rate (position 0 or 1) or both.

EXPONENTIAL

7.3

Accessing the Exponential Function

1. Turn on the transmitter.

2. Press the SCROLL and INCREASE buttons

simultaneously to enter the Function mode.

3. Press the SCROLL button until “EXP” appears at

the left side of the screen.

4. Press the CHANNEL button until the desired

channel appears on the screen (AI or EL).

5. Using the appropriate dual rate switch, select

the correct position to be adjusted (0 or 1).

6. Press the INCREASE or DECREASE buttons to

increase/decrease the exponential value.

7. Press the SCROLL button to access the

Sub-Trim function.

8. To exit, press the SCROLL and INCREASE

buttons simultaneously.

SWITCH POSITION

AI = AILERON

EL = ELEVATOR

EXPONENTIAL VALUE

AIO

Press the INCREASE or

DECREASE buttons to

increase/decrease the

exponential valve (0–100%).

Press the SCROLL button

until “EXP” appears on the

left side of the screen.

Note: The dual rate switch position is

changed/ accessed by setting the appropriate

dual rate switch to the 0 or 1 positions.

Press the CHANNEL button

to select either aileron or

elevator exponential.

EXP

A good starting point

for exponential valve is

approximately 20–30%.

CHANNEL

SCROLL

INCREASE

DECREASE

ENTER

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JR Direct Radio XP662 User Manual Page 69

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