Updated Using the software (markdown)

Using-the-software.md

@@ -17,7 +17,7 @@ Below we put all available entries that you can change with a short explanation.
 - **Show RDS errors** -
 - **Softmute FM** -
 - **Softmute AM** -
-- **Beep at band edge** -
+- **Beep at band edge** - make beep sound when you tune away from band edge that you set
 - **Region** -
 - **Show underscore in RDS** -
 - **USB mode** - 
@@ -28,12 +28,12 @@ Below we put all available entries that you can change with a short explanation.
 - **Show SW wavelength** -
 - **RDS filter** -
 - **Show PI errors** -
-- **Show squelch** -
+- **Show squelch** - show squelch indicator in UI
-- **Modulation meter** -
+- **Modulation meter** - show modulation meter in UI (it can reduce QRM noise)
 - **AM Noise blanker** -
 - **FM Noise blanker** -
 - **Audio output** -
-- **FM OIRT 30 kHz steps** -
+- **FM OIRT 30 kHz steps** - it has been established that the OIRT (65.75-74 MHz) band uses steps of 30 kHz 
 ## Page 4
 - **Theme** - choose UI theme
 - **About software** - some information about authors of the code
@@ -42,4 +42,4 @@ Below we put all available entries that you can change with a short explanation.
 - **Screensaver** -
 - **AM RF Level offset** -
 - **Signalmeter unit** -
-- **Use AF** -
+- **Use AF** - use RDS AF (Alternative Frequencies) function to search and switch to better quality frequency of the radiostation you are already tuned into