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Flex 6600 & ALS-500M Setup

Trying to get an Ameritron ALS-500M working with my 6600.

Amp keys (it's in TX1), RF Power lowered to 30W in SmartSDR pane. Setting in SMartSDR are

Screenshot 2026-03-30 154825.png

Can't find a value I should be putting in RCA TX1 field so set to 1 (on?)

Power still seems low on transmit - I hear amp click though… I'm missing something obvious…

Thanks, Martin KW1M

Answers

  • KD0RC
    KD0RC Member, Super Elmer Moderator

    Hi Martin, the RCA TX1 field in Timings is a delay in ms, not on/off. For your purposes, it should be set to zero.

    How much power out are you getting for 30 watts in?

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