Click "Update Firmware" . A progress bar will appear.
: The "CH BOOT" drive is a virtual disk for updates only; do not try to store other files there. dsotc2 firmware upd
The firmware update process is a unique "two-track" system because the device essentially houses two separate instruments—an oscilloscope and a component tester—each requiring its own distinct update. The Dual-Firmware System Click "Update Firmware"