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Julian Decker edited this page Nov 12, 2026
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OOS is an open operating system for the Rigol DHO800/DHO900: its own Linux kernel and a scope application in Rust, on the scope's SD card, next to the stock system.

Experimental. OOS has run on a DHO924S and, by user reports, on DHO804s. Read the disclaimer before you install it. Measurements are not calibrated to any standard.
- Installation: put OOS on a second SD card
- First Steps: first start, the screen, Auto, windows and full screen, text size, backlight, GPU and HDMI, the keyboard, date and time
- Measurements and Analysers: measurements, the frequency counter, panes, spectrum, eye, Bode
- Generator: the built-in generator of S models
- Logic Analyser: the PLA2216 probe
- Remote Control: web remote, SCPI, WLAN
- Updates and Going Back: new versions, returning to stock
- Troubleshooting: what to do when something goes wrong
- Contributing: test reports, bugs, code
- README: features, status, known limits
- Technical documentation
- Hardware overview
- Releases