JR XP810-3 - Page 85

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4
.
1
1 Revolution/Acceleration Mixin
g
,
(
Function Mode
)
cont.
A
cceleration Mixin
g
Rudder Of fset Settin
g
Durin
g
Throttle Hold
The Acceleration Mixing function is provided to compensate for
the main rotor accelaration (and deceleration) tor
que. The
magnitude and duration of the signal to the tail rotor depends
upon rate of the throttle changes. Thus, quick, jerky throttle inputs
will yield more noticeable tail compensation. Note: The
Revolution Mixing Function must be established before an
accurate acceleration mix can be achieved, and the gyro
should be switched OFF for best results.
Note that during throttle hold, Revolution and Acceleration
Mixing are OFF . At this time, set the of fset value of the rudder
ser vo. If this offset value is zero, rudder pitch should be at zero.
Set offset value by using the plus or minus keys to correct tail
yaw when throttle hold is activated.
Rudder Offset
V
alue
(
±
125
)
A
cceleration Mixing
V
alue
4
.
1
2 G
y
ro Sensitivit
y
Ad
j
ustment
(
Function Mode
)
The XP8 10 3 of fers two dif ferent types of Gyro Sensitivity
A
djustments — manual or automatic. This feature gives the user
the choice of selecting gyro sensitivity manually through the
rudder dual rate switch or automatically through the flight mode
switch. A JR NEJ-1 2 0S or JR NEJ-1 000 gyro system can be used
with either of these methods.
In the Function Mode, use the UP and DN keys to select Gyro
Sensitivity and access by pressing the UP and DN keys
simultaneously .
Manual Gyro Sensitivity Adjustment
Manual Gyro Sensitivity Adjustment allows the pilot to select
from two dif ferent gyro sensitivities during all flight conditions.
This function is activated in conjunction with the rudder dual rate
switch.
A
utomatic Gyro Sensitivity Adjustment
The Automatic Gyro Sensitivity Adjustment feature allows the
pilot to automaticall
y
alter the sensitivit
y
of the
gy
ro from either o
f
Automatic or Manual setting
(
Manual shown
)
Manual Gyro Rate Selection
for NEJ-120S G
y
ro
switch postion for
gyro sensitivity
(
0-1
)
100
%
0
%
gyro sensitivity value
0-100%
Press the UP and DN keys
simultaneously to enter/exit
the Function Mode
Press the DN and Select key
s
simultaneously to access th
e
Function Mode List Dis
p
la
y
To Program Mixing Function
To Revolution/
Acceleration Mixing
function
Press to move
cursor to position
to be ad
j
usted
Press to move
arrow to position
0 or 1
Press to activate and
select Gyro Sensitivity
type (Manual or Auto)
⌫ INH ⌫ Manual ⌫ Auto
and to increase or
decrease Gyro
Sensitivity value
Press to inhibit Gyro
Sensitivity Function
when at the Rudd D/R
position, or to set
Gyro Sensitivity
values to 0% at the
arrow
p
osition
HELI 85