It's a 16 channel FRS radio. You can program ctcss/dts tones but you're not allowed to change/program Tx frequencies.
As the radio is only 16 channel, and there are only 16 FRS channels allocated by the FCC, there's nothing to program. > On 26/06/2025 01:38 EDT Jamie Bartlett via Users > <[email protected]> wrote: > > > Hi Jim, > > Thanks for the reply, I suspected that might be the case. > > The main issue I have is when I read the radio’s settings the frequency is > immutable, So I cannot copy and paste the config or import it. > > Is there any way around this? > > Thanks, > Jamie > > On Tue, 24 Jun 2025 at 8:42 pm, Jim Unroe via Users < > [email protected]> wrote: > > > Hi Jamie, > > > > On Tue, Jun 24, 2025 at 3:17 PM Jamie Bartlett via Users > > <[email protected]> wrote: > > > > > > Hi all, > > > > > > I'm currently trying to program a Retevis H-777H walkie talkie from a > > .img > > > file that has been provided to me. I cannot upload it to the radio as the > > > correct port is selected, but the model selector is greyed out. I cannot > > > copy the module over as when I read from the radio the frequency is an > > > immutable category. > > > > > > I purchased this radio to officiate american football games so I need to > > be > > > able to operate around the 449 Mhz frequency. Please tell me if I can get > > > this to work with the radios I have already purchased or recommend a > > > different model that would be suitable. > > > > > > Thanks for the help, > > > > > > Jamie > > > > You have a different radio model than the radio model that the "image" > > was captured from. You can only upload back to the same radio type as > > it came from (this is why the selection is 'greyed out'. You simply > > download from the target radio to create a CHIRP tab that is > > compatible with it. Don't forget to save the first successful > > download, unedited, to a file to be kept in a safe place as a backup. > > Then you either import the "image" from the source radio into this tab > > or you load the source image into a second tab allowing you to > > copy-and-paste the memory rows from the "source" tab to the "target" > > tab. > > > > Jim KC9HI > > _______________________________________________ > > Users mailing list > > [email protected] > > https://lists.chirpmyradio.com/postorius/lists/users.lists.chirpmyradio.com > > To unsubscribe, send an email to [email protected] > > To report this email as off-topic, please email > > [email protected] > > List archives: > > https://lists.chirpmyradio.com/hyperkitty/list/[email protected]/ > _______________________________________________ > Users mailing list > [email protected] > https://lists.chirpmyradio.com/postorius/lists/users.lists.chirpmyradio.com > To unsubscribe, send an email to [email protected] > To report this email as off-topic, please email > [email protected] > List archives: > https://lists.chirpmyradio.com/hyperkitty/list/[email protected]/ _______________________________________________ Users mailing list [email protected] https://lists.chirpmyradio.com/postorius/lists/users.lists.chirpmyradio.com To unsubscribe, send an email to [email protected] To report this email as off-topic, please email [email protected] List archives: https://lists.chirpmyradio.com/hyperkitty/list/[email protected]/
