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16
The GCU Ports Description
The following table shows the GCU channels and the TX channels connection.
TX Channels
GCU
Channels
Descriptions
JR
Futaba/Hitec
AILE
1
ROLL
For roll axis control (left/right). The velocity is zero if disconnected.
ELEV
2
TILT
For tilt axis control. The velocity is zero if disconnected.
RUDD
4
PAN
For pan axis control. The v is zero if disconnected.
AUX2
7
MODE
For Working Mode switch.
2-position switch channel
SHUT
For camera shutter control (both taking picture and recording video
are available). It is off when non-connection and disconnected.
2-position switch channel
Or Futaba S-Bus channel
AUX2
When the AUX2 is connected to a 2-position switch channel, it is used
for camera orientation (downward or forward) switch in FPV Mode
(Reset). The camera orientation is set to forward while non-connection
or disconnected.
If a S-Bus receiver is used, it should be connected to the AUX2 port.
PPM channel
AUX3
When the AUX3 port is connected to a 2-position switch channel, it is
used for the Z15-5D video recording control.
If a PPM receiver is used, it should be connected to the AUX3 port.
The following table shows the corresponding relationship between the GCU and the S-Bus/PPM channels.
S-Bus/PPM Channels
GCU Channel
1
ROLL
2
TILT
4
PAN
7
MODE
5
SHUT
8
AUX1
9
AUX2
6
AUX3
