From the RT-20 Manual. I attached it. No clue if it will go through.
Mike W0MU
APPENDIX A.7 – YAESU G-800DXA,
1000DXA, 2800DXA (2700SDX *) Setup
Information
1.7. Setup Information
1.7.1 OPTION (Software Setup Selection)
Rotor SETUP OPTION
Yaesu types referenced above POT
1.7.2 Settings for J10, J12 and J14 (42 VDC Motor)
Jumper Position Connection type
J10 2-3 Jumper short
J12 2-3 Jumper short
J14 2-3 Screw connector short
1.7.3 Transformer Wire Connections to J9
Wire Color Connect Jumper
Brown to J9-3
Yellow to J9-4 (24 VDC) for 2700SDX*
Orange to J9-4 (36 VDC) for G-800DXA,
1000DXA and 2800DXA
1.7.4 Settings for J5 and J6
Jumper Position Connection type
J5 1-2 Jumper short
J6 1-2 Jumper short
1.7.5 Rotor Connections
Yaesu RT-20 Description
1 5 POT REF.
2 4 POS
3 3 GROUND
4 2 MOT CCW
5 1 MOT CW
6 4 N/C
7 3 N/C
On 4/13/2025 4:16 PM, john@kk9a.com wrote:
I have no experience with the older RT-20 model but if you cannot find the
information in the manual, W2FU is typically very responsive and helpful.
GL,
John KK9A
n5xz wrote:
Hi, I'm trying to setup a Green Heron RT-20 for a Yaesu G-2800 rotator. As
part of the setup, I noticed a Max Speed parameter = AC MOTOR (Value = 11).
The Yaesu is a DC motor. Why is AC MOTOR one of the parameters?
If someone has a complete setup for the RT-20 (not sure if the RT-21 is
different), I sure would appreciate it.
Thanks,
73/161,
Allen R. Brier N5XZ
1515 Windloch Lane
Richmond, TX 77406 USA
713-705-4801
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