The latest version documented in the community is V12.1.0, seen on an HDS242S (the signal‑generator‑equipped model) with hardware revision V3.6. Unfortunately, no official changelog is available, so the improvements over V8.0.1 remain unknown.
If you are experiencing consistent bugs, check the EEVblog forum for community-driven information on the latest, most stable firmwares.
Owon HDS242 Go to product viewer dialog for this item. Firmware: Comprehensive Guide to Updates and Troubleshooting Owon HDS242
Once the software displays a "Success" notification, the HDS242 will automatically reboot. Disconnect the USB cable.
For a second, nothing. Then, the screen burst into life. Usually, the HDS242 took a solid fifteen seconds to boot up, displaying a splash screen that looked like a low-resolution sunset. owon hds242 firmware
The HDS242S includes an arbitrary waveform generator (AWG). Some users have speculated that the hardware is identical on non‑S models and that the AWG is disabled only in firmware. Confirmation and a working hack have not yet been published.
He downloaded the file: HDS242_V2.5.3_Custom.hex .
Press and hold the power button while performing the procedure. On some newer boards, you can short individual power contacts instead of using the power button.
: For cleaner readings in noisy environments (motors/inverters), you can also enable the averaging filter (N=16) or use differential measurements through the internal settings. The latest version documented in the community is V12
Always read the official release notes before updating. If the notes don’t mention any fix relevant to your usage, you can safely stay on your current version. But when a major update arrives, the simple 5-minute process is well worth the improved stability.
Ensure you are using a data-transfer USB-C cable, not a charge-only cable. Try switching to a USB 2.0 port instead of a USB 3.0 port.
Several Linux users have shared scripts to interface with the HDS242 over USB. One such blog by alaskalinuxuser3 documents attempts to use existing tools like OwonOszi, which ultimately failed to provide live data. The author notes that recording the screen and playing it back is possible, but a true live interface had been elusive until osci‑SCPI emerged.
One of the most valuable aspects of the HDS242 is the active community that has developed tools and libraries to extend its capabilities, particularly for non‑Windows users. Owon HDS242 Go to product viewer dialog for this item
A: Usually not, but it’s wise to back up any important data to a PC via the USB port or SD card, as some updates reset the device to factory defaults.
To install:
Once the progress bar reaches 100%, the software will display a "Success" message.