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AlexandreRouma edited this page Jul 23, 2021 · 5 revisions

SDR++ Manual

This manual covers the core controls of SDR++, for specific modules, read the dedicated page.

Main UI

main ui

  • The top bar contains the controls and information that has to be accessed quickly.
  • The side menu is where all the modules and settings are displayed.
  • The FFT shows the strenght of the different frequencies and can have addition information overlayed (eq. band plans and bookmarks).
  • The VFOs control where each demodulator is tuned to and what its bandwidths is (if the demodulator supports it).
  • The waterfall shows the FFT over time.
  • The right menu contains the controls for the waterfall and FFT.

Top bar

The top bar contains the most important controls:

top bar

  • The menu button allows to show or hide the side menu.
  • The play/stop button is used to start/stop the source.
  • The volume controls allow to adjust the volume (duh...) and/or mute the audio of the currently selected VFO.
  • The frequency selector is used to tune the VFO and SDR to the desired frequency.
  • The tuning mode select allows to switch between normal tuning (the offset of the VFO can change and the SDR only retunes when required) or center tuning (where the VFO stays in the middle and the SDR does all the work).
  • The SNR meter shows the signal to noise ratio of the selected VFO.

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