: Once the transfer is complete, disconnect and restart the device to finalize the installation . Key Device Capabilities (Updated Firmware)
While the specific key combination for the DSO-TC2 can vary by hardware revision, the general FNIRSI workflow typically involves the following: Enter Upgrade Mode
The DSOTC2 is picky about USB drives. Do not use a high-capacity 64GB+ drive. fnirsi dsotc2 firmware
The current firmware supports a variety of integrated diagnostic functions:
What is displayed on your device screen? Are you experiencing a specific bug you want to fix? : Once the transfer is complete, disconnect and
The Ultimate Guide to FNIRSI DSO-TC2 Firmware Updates The FNIRSI DSO-TC2 is a highly popular, budget-friendly 2-in-1 handheld oscilloscope and transistor tester. While it offers incredible value out of the box, keeping your device updated with the latest official or community-modified firmware is essential for fixing bugs, improving component testing accuracy, and unlocking hidden performance.
| Version | Release Date | Key Changes | | :--- | :--- | :--- | | | March 2023 | Initial release. Basic DSO functionality. | | V1.1.0 | June 2023 | Fixed Channel 2 DC offset drift. Added 1M memory depth option. | | V1.1.4 | Sep 2023 | Improved screen capture to BMP. Fixed USB connection dropouts. | | V1.2.0 | Jan 2024 | Major: Added FFT (Fast Fourier Transform) spectrum analysis. Improved trigger holdoff. | | V1.2.1 | April 2024 | Stable: Fixed FFT aliasing. Added 7 new auto measurements. | | V1.3.0 Beta | Aug 2024 | Experimental: Ethernet remote control (beta), higher waveform update rate. | The current firmware supports a variety of integrated
Firmware updates can expand the device's ability to automatically detect complex components, such as specific types of JFETs or dual diodes.
Resolving system freezes, screen flickering, or incorrect component identification.
While the update process is generally straightforward, issues can sometimes occur. Here is how to address the most common problems: