RRC-Micro PC Client in English > General discussion

controlling a Yaesu ft 991A with micro PC doesnt seem viable?

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w5rhr:
I would like to upgrade my now working system centered around a yaesu ft 857 with an ft991, because of the C4FM capability of the 991.

The 991 does not have a removable control head so it appears the control would have to take place with an rrc micro unit?

Control of the 991 would have to be accomplished via the radio RRC via the serial port to the serial port of the 991 using HRD.

However, the TTL port on the radio RRC doesnt appear to have any place to plug into the 991, like the diagrams show a typical CVI control,  how would you control the 991? I think that is why it cannot be done

sm2o:
FT-991 has a 9 pin d-sub as CAT port like most bigger Yeasu radios has. It's connected to Remoterig Com2, look in the manual at the chapter Yaesu in general.

73 de mike

w5rhr:
So then, the connection would be:

Control END
PC running HRD to USB port on control RRC,(set serial port 2 to use usb) microphone to Mic jack, speaker from speaker jack.
HRD would do all the control

RADIO END
FT991 serial cat port to RRC radio end serial port 2 , mic to mic, speaker to speaker..

seems logical then.

EB2AQH:
Have you been able to connect properly FT-991 with remoterig?
I have some questions and doubts about it, nobody here seems to be interested on this YAESU radio, only on old models.
Please let me know.
I can control my FT-991 with micro PC and HRD but I cannot power ON the radio, despite connection is stablished via COM2 port.
To get connexion I must configure remoterig on radio side
- Program Mode: 4 Yaesu, Kenwood, Elecarft
- COM 2: Logical Paralel to COM0
And micro PC (control side)
- RRC COM 0: 4- Kenwood, Yaesu, Elecraft

If I configure remoterig (radio side) as is explained in the user manual
- COM2: Mode-4 Yaesu, Kenwood, Elecarft
It's doesn't work.

sm2o:
If you connect HRD direct to the radio via RS-232 does it start then ?
As the Remoterig only transfer the data, the start command should come from HRD

73 de mike

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