The Baofeng 1701 screen can be changed to almost any colour combination that you can think of. But for the colour changes to save permanently, it needs to be programmed with the CPS software and cable. Without that, the changes made to the screen will look like they have been saved while the radio is still on. But turn the radio off, then back on, and you will see the screen has gone back to its default white setting. If the user has the CPS software and cable this is not an issue as all display changes are done through the software and permanently saved.
I didn't buy the cable with my radio, so none of the changes I make with the screen colours can be permanently saved. But there is still one way to change the screen colour that will be permanently saved, even without the cable and software. And that is inverting the screen colours. This is easy to do from the radios menu. And I think I prefer it to the full on white.
Image: My Baofeng DMR with its new inverted display
To do this follow the instructions below. Please note. My Baofeng 1701 has OpenGD77 installed. So the menus might be a bit different if your model does not have OpenGD77 installed.
How to make the screen inverted [with openGD77 installed]
Click on the highest green button on the left to go to the menu. From there select "options". Click on "display options". Scroll down until you see "Screen: Normal". Use the scroller wheel knob at the top of the radio and select "Inverted". Press the green button on the left [above the P1 button] to save changes. And that's it, the screen is now inverted to white writing with a black background rather than the other way round.
DMR: Leveling Out The Audio
In another post about the 1701 I talked about how one of the things that was quite annoying about this radio, and maybe DMR in general, I'm not sure, was the fact that the audio levels were totally out of whack. Like, when listening, [RX / receiving] one side of the conversation would be at a nice volume, while the other side of the conversation would come through so loud and almost blow my ears and the speaker up. After a bit of research it turns out there is an option in OpenGD77 that somewhat addresses this issue.
It's called DMR Rx AGC. While the developers of OpenGD77 do state that its not perfect, turning this setting on can help level out the audio levels so they are more balanced on each side. I am testing this out right now but first impressions are that it is making a difference. This is great because the difference in audio volume levels from either side of a received signal was ridiculous and required constant adjustment of the volume knob to keep the volumes at a reasonable level from both sides.
If you want to turn this feature on please follow these instructions. Press the top green button [above the P1 button] to go to the main menu. Click "options". Then "sound options". Find DMR Rx AGC and use the top scroller wheel knob to select one of the dB options. Mine is set to 0dB and that seems to be working well, so I would recommend you use that to begin with.
You can always test / change it to something else in the future. Once 0dB is selected press the top left green button to save the changes. And that's it. Hopefully you should hear a change, making the audio volumes more balanced from each side.
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