Fig. 37
Fig. 38
4 . Normal pitch trimmer
Adjusted to match normal
flight.
5. This trimmer sets the low
pitch (minus pitch) when the
throttle hold switch [23]
is
ON. It is adjusted to the
auto-rotation pitch.
6. This trimmer adjusts the low
pitch (minus pitch) when the
idle up [2] switch [21] is ON.
It is used during rolls, etc.
7. Hold delay trimmer.
This
trimmer adjusts the delay
time the pitch servo operates
when the throttle
hold
switch [23] is set to ON. An
operating time of 0 to about
2 seconds can be set.
8. This trimmer sets the
throttle servo stop point
when the throttle hold
switch [23] is set to ON.
The stop point can be
set as described in the
throttle hold switch [23]
section on on page 6.
When the trimmer is
turned clockwise, the
throttle servo moves to
the slow side.
9. Idle up 1 point trim-
mer. For a description
of this trimmer,
see
page 5 and Fig.
10.
When the trimmer is
turned counterclock-
wise, the idle point
moves to the low side.
10.
This trimmer adjusts
the idle up amount of
the throttle servo when
the idle up 2 switch
[21] is set to ON. The
idle up amount can be
set as described in the
idle up 2 switch [21]
section on page 5 and
in Fig. 11. When the
trimmer is turned coun-
terclockwise, the idle
up amount decreases.
11. Idle up 2 point trim-
mer. For a description
of this trimmer, see the
page 5 and Fig. 11.
When the trimmer is
turned
counterclock-
wise, the idle up point
moves to the low side.
12. Throttle hold switch [23]
fail safe switch
•When this switch is set to
the
T.HOLD
position,
the throttle hold func-
tion operates and the
TH.HOLD monitor lamp
comes on.
• When this switch is set to
the INH side, the throttle
hold function does not
operate even if the throt-
tle hold switch [23] is set
to ON.
13 Idle up 1 switch [19]
fail safe switch
• When this switch is set to
the IDLE1 position, the
idle up 1 function oper-
ates and the IDLE UP I
monitor lamp comes on.
• When this switch is set to
the INH side, the idle up
1 function does not
operate even if the idle
up 1 switch [19] is set to
ON.
14. Idle up 2 switch [21] fail safe switch
•When this switch is set to the IDLE2 side, the idle
up 2 function operates and the IDLE UP 2 moni-
tor lamp comes on.
•When this switch is set to the INH side, the idle up
2 function does not operate even if the idle up 2
switch [21] is set to ON.
D. Rudder
15. Rudder servo acceleration amount trimmer
•When hovering is stable, but the tail yaws a little
during takeoff, reduce the acceleration with this
trimmer until the tail no longer yaws.
•The acceleration amount dif-
fers with f i x e d pitch heli-
copters. The acceleration
amount can be set to a maxi-
mum of amount 50% by
turning this trimmer clock-
wise and to a minimum of
0% by turning this trimmer
counterclockwise.
16 Revolution mixing com-
pensation trimmer
The
revolution
mixing
(pitch control —> rudder
mixing) can be set in the
direction in which the mix-
ing amount decreases as
shown in Fig. 41 with this
trimmer.
Fig. 40
15