A firmware update can improve the speed of the FFT (Fast Fourier Transform) function, reduce the lag when adjusting the timebase (sec/div), and optimize the screen refresh rate. Users often report a "snappier" interface post-update.
: Recent community-driven updates (like V0.006) have improved the RMS measurement Open Source Alternatives : Unofficial community firmware (e.g., from pecostm32 on GitHub ) includes a boot loader fnirsi-1014d firmware update
Hook up a probe from Channel 1 to the built-in signal generator output. Test multiple waveforms (Square, Sine) to ensure the hardware is reading the software instructions perfectly. A firmware update can improve the speed of