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Operating TGXL and PGXL with ICOM-7300. Get Rf Early on PGXL

I am operating a TGXL and a PGXL with an ICOM-7300. The PTT delay on the ICOM-7300 is at its max setting of 30 ms. I am receiving an "RF Early" display on the PGXL. The TGXL indicates CAT in its display and the PGXL shows RF SENSE. I have the PTT from the ICOM-7300 going to the TGXL "PTT IN." I have the "PTT OUT" from the TGXL going to the "PTT IN" on the PGXL. Your assistance is appreciated.


  • Michael Hyman
    Michael Hyman Member ✭✭

    I was checking with another ICOM/TGXL/PGXL user who informed me that the configuration I was given by FLEX was incorrect. I was told by Flex to have the CIV and the PTT from Icom-7300 go to the TGXL and so on (see above). This is not correct—rather, it produced "RF Early "errors on the PGXL in addition to a great deal of frustration. However, when I reconfigured the setup so that that CI-V and the PTT from the ICOM-7300 go first to the PGXL (with the "PTT IN" on the TGXL connected to the PGXL "PTT OUT," everything began to work properly. Now the PGXL screen shows C-IV and the TGXL displays PGXL. No more errors have been encountered. Everything is now performing fine!

  • Richard Zalewski
    Richard Zalewski Member ✭✭

    Made no difference for me with my K4. Still getting the RF early and other faults. Nice try though…tnx

  • W2PP
    W2PP Member ✭✭
    edited July 6

    be extremely careful about keying the amp before the TGXL. They warn you that you may lose the finals in the amp. The transition time for the TGXL is quite long.

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