The patch page has its own START key. The same round START/STOP key as the main panel, at the top of the patch page, so a patch runs without going back to the main panel. Opening the page no longer starts anything; START opens the radios and borrows the receiver's radio, STOP gives it back.
An ON/OFF switch on every Radio, and a red ALL OFF. Each Radio part's switch closes that radio alone while the rest of the patch keeps running. The large red ALL OFF switches every radio off and stops the patch; START switches them all back on.
A squelch on every demodulator. On by default at -50 dB, with a threshold slider and the channel's live level beside it, so a speaker or a recording hears signals rather than the noise between them. Decoders behind it still get every sample.
Maps on the patch page. A Map part shows aircraft, ships and stations from up to five decoders on one live map - ADS-B from one radio and AIS from another on the same map.
A scope that hangs over the edge of the canvas keeps refreshing. A Spectrum part moved or resized so that part of it was off the canvas used to stop drawing.
SHA-256 of foxsdr-setup-0.99.18.exe:
f12e4f6a9be43ef1b758a8f69c9ee4ed652591e3f6f3cc8c93fcbdb7da6930df
SHA-256 of FoxSDR-0.99.18-x86_64.AppImage:
5db34131d706368bd5c725a673ac6b34438975c7300ee6ca597086e3ccdb8e61
SHA-256 of foxsdr-0.99.18-linux-x64.tar.gz:
ef4c756e5b503183ebbd03cb6db7b5c52b0322b0500791d759803be2350ad1b4