OpenGD77

Awesome!!!!! Thank you. BTW, how to update the firmware? Do I need the MD9600 donor again? Any step different than loading OpenGD77 for the first time? Thank you, you’re awesome!!!!!! You always need the donor file accessible when doing firmware updates, otherwise the radio will be FM Only. I moved...

What's the difference between monochrome vs UV380-like voice prompts ?

Is the former for MK22 radios and the latter for STM based radios ?

Retevis are also just a brand. They simply buy TYT and other manufacturers radios , and stick their label on them. I have tried contacting TYT on several occasions but they are not interested in supplying any information about the hardware. I have never hear from Baofeng, they seem to be even more ...

BI1OFX wrote: ↑

Thu Dec 07, 2023 3:51 pm

I got same situation on RT3S(CPU: STM32) and DM-1701(CPU: TYT) for a long time. This problem has never been present in the previous generation device like RD5R or GD-77 with same channel configuration.

Any difference between Opengd77 and Original software?

Good day all, First let me thank you all for this amazing firmware! My friend gave me a DM-1701, and I was trying to just listen to the happenings on my local repeater but I wasn't able to figure out all the TalkGroups since it didn't seem to support a promiscuous mode. I just installed OpenGD77 an...

I ran my RT90 (supposedly with GPS) for several hours on my dashboard and it never "saw" a single hint of a satellite :cry: Is it possible that I was shipped a non-GPS radio? Can the radio even detect whether it has a GPS? My RT3S with GPS works fine on that dash - even works indoors :shock: If Ope...

M0TTL wrote: ↑

Mon Dec 04, 2023 7:59 am

Ok thanks… think it could be colours l have used black on black… perhaps it’s there but I just can’t see it….

I use the default inverted.

Tested on RT3S and MD-9600 , I get the band scope if I press "#" in VFO mode.

The link doesn't go to anything anymore.

Use downloads/PC_CPS/Latest/

KA1CM wrote: ↑

Sat Dec 02, 2023 10:52 pm

SA0BUX wrote: ↑

Sat Dec 02, 2023 9:31 pm

A short press on SK2 should select the active talkgroup.

This doesn’t work on my RT3S,

Strange , take a look on
https://github.com/LibreDMR/OpenGD77_Us ... erse-video