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JR XF421EX User Manual

JR XF421EX
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23
XF421EX MANUAL CHAPTER 7: Functions (Function Mode)
Accessing the Sub-Trim Function
Press the +INCR or -DECR
button to adjust the sub-trim value
Press the SCROLL
button until
SB-TRIM
appears on the
screen
Press the
CHANNEL button
until the desired
channel appears
on the screen
SB-TRIM
THR
0
THR : THROTTLE
AIL : AILERON
ELE : ELEVATOR
RUD : RUDDER
GER: LANDING GEAR
CHANNEL
1
2
3
4
5
INDICATES THE
SUB-TRIM FUNCTION
SUB-TRIM VALUE (±125)
Sub-trim is an electronic trim that is available for
each of the 5 channels. Sub-trim is particularly useful
as it allows the mechanical trim levers to be returned
to their neutral positions by adjusting /changing the
servo’s neutral position electronically, without the
need to mechanically adjust the specific control
linkage. This allows the same mechanical trim lever
settings between the two models you can control
with this radio system. Sub-trim can also allow
additional trim travel when mechanical trims do not
provide enough movement.
Note: It is recommended to use as little sub-trim as
possible for adjustment. If more that 20–30 points
are required, is it suggested that a mechanical
linkage adjustment be performed.
1. Turn on the transmitter.
2. Press the SCROLL and +INCR buttons up
simultaneously to enter the Function Mode.
3. Press the SCROLL button until SB-Trim appears
on the screen.
4. Press the CHANNEL button until the desired
channel appears on the screen.
5. Press the +INCR or -DECR button to establish
the desired amount of sub-trim.
6. Press the SCROLL button to access the travel
adjustment function.
7. To exit, press the SCROLL and +INCR buttons
up simultaneously.
SUB-TRIM
Function Mode
7.2
CHAPTER 7:Functions (Function Mode) continued
TRAINER
SCROLL
CHANNEL
- DECR
ENTER
AUX.CH.
+ INCR
ENTER

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JR XF421EX Specifications

General IconGeneral
BrandJR
ModelXF421EX
CategoryRemote Control
LanguageEnglish

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