: You can only update one component at a time . If you need to update both the oscilloscope and tester, you must repeat the full process for each file. Complete the Upgrade :
: The update process typically requires Windows 10 or later.
Wait approximately 2 seconds after the device boots into its specialized update state. : dsotc2 firmware upd
: Use a high-quality USB Type-C data cable. Note that standard USB-C to USB-C cables often fail for firmware transfers; a USB-A to USB-C cable is highly recommended.
The DSO-TC2 features two distinct firmware components: one for the functions (prefixed with "CHD") and one for the Transistor Tester functions (prefixed with "CHT"). Enter Upgrade Mode : : You can only update one component at a time
Once the file transfer finishes, the device screen should display "Update completed".
: If Windows prompts you to format the drive upon connection, performing a "Quick Format" often resolves recognition issues, though it should be done with caution. Wait approximately 2 seconds after the device boots
: Download the official firmware packages directly from the FNIRSI Software Download Page . How to Update DSO-TC2 Firmware