OpenGD77

It may be that your two radios are on very slightly different frequencies. Most hotspots are excessively fussy about frequency. Do you have a means of comparing the transmit frequency of the two radios? A radio or SDR with a spectrum display would show the difference. You could then use the OpenGD7...

One problem that may appear is the DFU driver in windows. Maybe you have it already if you have used the original CPS or some other software that uses STM DFU drivers. And if you use Windows 11 the older drivers does not work so good. Also windows may install another STM driver that is incompatible....

https://github.com/LibreDMR/OpenGD77_Us ... ata-screen

To select the Voice, APRS or Beacon fequency, press the keys 1, 2 or 3 respectively.

Note:

Keys 1, 2 and 3 currently only operate on this screen and not the Polar or other satellite screens.

thanks for the quick repsonse. yes - I used the same cable as for the RT3s.. but now I found another cable without a label (also without FTDI adaper). I'll give it a try! thx & 73 The included Retevis RT3S cable normally have a plastic casing with a Retevis label on it. The DM-1701 is only with mol...

Received DM-1701 , but internal microphone is totally silent when TX. Lucky I had monophone that suits and gave positive result audio when TX. So, do you have any same kind of experience issue and resolve the problem of case ? All advice is welcome... tnx Tomi / oh4ms Most probably it's the MIC/SP ...

I never received one BeiDou sat here. Cheers. --- Daniel Is it something in the NMEA output on the radio that indicates which type of satellite it is? I had some ideas to connect a laptop when I test and compare the satellite performance on the radios? I have no coverage inside my apartment so I ca...

KA1CM wrote: ↑

Sat Apr 20, 2024 4:39 pm

the Excel file has been updated on Github. Please let me know if it work?

I still can't get GitHub to work, just manually replace the file. Very annoying.

Yes, it works fine now !

Excel file with source code, in case you wanna make your own version focusing on something that suite you. DMRID.xlsm Just click on the big-red-button "Download & Modify" and wait. After a while, you will get user.csv on your desktop. I got a "Run Time Error '1104': Application-defined or object-de...

UPGRADE: Hi All, I bought a DM-1701 from less a month with an external "Shoulder Speaker Mic". Still before I modified this radio to opengd77 firmware, neither PTT and loudspeaker were working. In this days, I was able to test that not working microphone on my Baofeng-1701, with a Baofeng 888S: it ...

Has anyone got a link to donor firmware I seem to be coming up on dead ends? Also Firmware updater is asking for MD9600 firmware is this correct? if so that seem to be coming up blank as well on TYT site https://www.passion-radio.com/index.php?controller=attachment&id_attachment=760 You can try my ...