Question about ICOM Informatique Icom F21GM GMRS Radio with 4 Watts Output, CTCSS and Battery/Charger

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Hand-held radio I can call out, but I can't hear anyone calling back to me. The green indicator light comes on, but I hear nothing. Please help! Lisa

Posted by Lisa Robinson on

  • Lisa Robinson Dec 04, 2006

    How could I check the programming parameters? I am not really familiar with the electronic language. Could my problem have anything to do with my letting the radio sit in the charger while turned on?????

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Set the radio for simplex ptt monitor out buttons turn on radio make sure the other radios work with each other hold the monitor down if you hear white noise then you dont have the simplex duplex setup right and or try holding the monitor button in when other people are transmitting that would indicate a ctcss programming problem

Posted on Dec 09, 2006

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Hello Think you have to make sure that both radios have the correct encode and decode CTSS or DPL, if you dont select the encode for one of them the other one just will light the green led but will not recieve. Also make sure that the speaker is working correctly. Check your programming parameters one by one. Good luck

Posted on Nov 30, 2006

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