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Will a Flex 6600 be compatible to connect a PreppComm MMX Zero to it?

mdestabrook
mdestabrook Member ✭✭
edited December 2024 in Peripherals & Station Integration
Will a Flex 6600 be compatible to connect a PreppComm MMX Zero to it? And, are there special instructions to do so from Flex Radio Manuals?
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Answers

  • KD0RC
    KD0RC Member, Super Elmer Moderator

    According to their web page, you only need a key in jack and a phones out jack on the radio. The Flex has both, so it sounds like it is compatible.

  • mdestabrook
    mdestabrook Member ✭✭
    Thanks! I'll proceed with the Zero
  • Segrest
    Segrest Member ✭✭

    Hello mdestabrook,

    Did this work out for you?

    Can you describe your configuration and observations?

    Bob, KO2F

  • mdestabrook
    mdestabrook Member ✭✭
    Thanks Segrest,

    I did purchase the MMX Zero...and I do understand how to set up the 6600 Flex for CW operation...; but the physical connections to the Flex 6600 is another thing..; I have asked the PreppComm Community to expound on what connections go where on the 6600...; the Flex Connections are via RCA …; the PreppComm Zero are all 3.5mm plugs and the plugs are Stereo but some stems are left off to make the connections Mono so I am purchasing 3.5 mm plugs that I can rewire to meet the in and out connections to the 6600..once I have that I have no clue what revised RCA plug goes where on the 6600? can you help? I have all sorts of photos and PDFs on how the plug configurations should work...I feel comfortable with that!...; but not where they go on the 6600 radio.
  • George Jones
    George Jones Member ✭
    mdestabrook,
    Were you able to connect and master this gadget. Have one and trying to get a consistent result.

    George K7GRJ
  • mdestabrook
    mdestabrook Member ✭✭
    Hi, George, the Connections I used seem to work as the MMX Zero shows enabled...I can try to send a directed CW to you at K7GRJ if you wish? I am using 7.110 Mhz...is there a better frequency for you?
  • W9TVX
    W9TVX Member ✭✭

    I've been trying to setup my 6600 to work with the MMX and I'm pulling my hair out. I have the following hardware setup:

    Preppcomm 3.5mm keyer cable from MMX to key input on 6600

    Preppcomm 3.5mm audiocable from MMX to headphone jack on 6600

    SSDR mode CW, Pitch 1300, RX filter width 2600

    I have verified that audio is being delivered by connecting a powered speaker to the preppcomm audio cable

    So far I cannot get the MMX to decode any signals. I have tried tuning to strong CW signals and have very slowly moved up an down the freq range to no avail

    Secondly when I press the call button, the MMX will show cq being called, but the 6600 will no key into tx mode

    I'm at a loss. Any help most appreciated

  • mdestabrook
    mdestabrook Member ✭✭
    The connection cables provided were faulty with the soldering as well as how it was configured…Please refer to the MMX Zero Manual as to how the connection cables should be configured. Mark WA4TX

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