WRYP302 Posted October 6, 2023 Report Share Posted October 6, 2023 I am new to GMRS, and recently purchased two BTECH GMRS-PRO handhelds and the BTEC GMRS-50V2 for my truck. My question is on CTCSS & DCS tones. I have a basic idea of their purpose, but I noticed that it appears the RT Systems programming software is adding tones to the CTCSS (67.0 Hz) and DCS (23) fields. I noticed that the tones are present in the RT Systems default program (Tone Mode = None) and these tones were added when I downloaded the programming from the radio (the radio was programmed with the BTECH CPS software and CTCSS/DCS were set to OFF). I am saying it "appears" because the Tone Mode field = None. Would it be correct to assume that as long Tone Mode = None that any entries in the CTCSS & DCS fields are ignored? Thanks Mike WRYP302 Quote Link to comment Share on other sites More sharing options...
marcspaz Posted October 6, 2023 Report Share Posted October 6, 2023 Correct. If the tone type is none, then regardless of a tone code being present, it will not enable tone squelch. Same for DCS. WRXB215 and WRUU653 2 Quote Link to comment Share on other sites More sharing options...
WRYP302 Posted October 6, 2023 Author Report Share Posted October 6, 2023 Thank you! Quote Link to comment Share on other sites More sharing options...
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