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Hi, My gx1260s radio powers up but stuck on CH16 and none of the front panel buttons or the mic buttons work. It receives and transmits on low power OK. A service manual would help. Many thanks, Tony

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  • zl3ham Jul 18, 2009

    Hi, Nicolocarlo,

    Neither the buttons on the base or the hand mic work. So I'm thinking it may be a fault on the control board or possibly the radio needs a reset? I don't know how to do a reset on this radio, it's different from the ham gear I'm used to.

    Thanks, Tony


  • zl3ham Jul 18, 2009

    Yes I had it totally disconnected for some time but to no avail. I will have a closer look inside to see if anything has bad contacts or any dry joints. Thanks, Tony

  • zl3ham Jul 18, 2009

    Nothing appears to function, set fires up on CH16 and can't be shifted. It may well need a reset, if I knew how that is.

    Thanks, Tony

  • zl3ham Jul 18, 2009

    Hi, Mustgo,
    The socket does not appear to have any type of switch unfortunately. I've managed to download a users manual for the 1270s model and tried to do a factory reset by holding the SCAN & WX buttons in whilst switching on but to no avail it is still in a locked condition.
    Thanks so far, Tony


  • zl3ham Jul 18, 2009

    Interesting, there is a small black wire loop on the cct board at the back edge and it has been cut this may be what you're referring to. I will take it out the case again and connect this link do a reset and see what happens. Will get back to you, many thanks. Tony

  • zl3ham Jul 18, 2009

    I tried reconnecting the small loop and did a reset but still no go. I can't seem to find a cct for this rig anywhere. Back to square one. Tony

  • zl3ham Jul 18, 2009

    Sort of.

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  • 2,359 Answers

HORIZON GX1260S VHF FM MARINE RADIO

Do you has the RAM mic package (with FULL function 8 button keypad and LCD?


Clean the DIN type plug with no contact cleaner.

MALE and FEMALE ends.

If your unit has a small contact switch then clean it with contact cleaner and carefully push it in (ENGAGE) and let it out few times.

This little switch can be your problem.

If this switch is malfunction it may default itself to RAM mic.

Let the unit dry for 1/2 hour and try it out.


Good luck



Posted on Jul 18, 2009

  • Vincent_G
    Vincent_G Jul 18, 2009

    Gx1260s can accept two kind of mics.


    Standard mic with no front control button and the high end RAM Mic with 8 buttons and LCD.


    Your unit somehow lock in the RAM Mic mode.

    The mic is ID via a switch or a jumper/loop on the DIN plug.


    If you able to get the diagram of the RAM mic and Standard mic and compare them that will help you ID how to unlock your keypad.




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  • Master
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I will see if I could get a manual. Have you checked the contacts on the dial? Does this only happen on the hand held or at the base as well?

Posted on Jul 18, 2009

  • Nicolo Carlo Parazo Jul 18, 2009

    you are correct it is different from the others. i could not find a manual but with the other radios that I have used I just remove all connections especially the power out for more than an hour. I had the same issue a few years back on a different radio... I did some cleaning and found some loose contacts to some IC and had it shut down the way as I have mentioned.

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