A SERVICE OF

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Connect the gyro to the axis to be controlled (commonly rudder
channel) per the illustration below.
The gyro unit should be mounted as close as possible to the
center of gravity of the helicopter (near the main shaft) at a
position where vibration is minimal. Please refer to the speciļ¬c
gyro/helicopter instructions for proper gyro placement and
installation.
HELI 61
1.4 Gyro Connections
Receiver
(PCM) NER-649S
(FM) NER-549
Sensitivity Adjusting Trimmer
(NEJ 120, NEJ160 only)
Gyro Amplifier
Gyro
Jumper
Connector
(NEJ-120,
NEJ-160 only)
Gain C
Plug servo
lead into
Rudd - SV
Gyro unit
Gain control
Rudder servo
Rx Rudd
insert into rudd channel
of receiver
insert into Aux 2 channel
of receiver