: While the device is OFF , connect it to your computer using the USB-A to USB-C data cable.
Waveform refresh rate, trigger sensitivity, auto-set calculation. or CHT Transistor Tester Mode Component auto-detection accuracy, ESR measurements. Step-by-Step Update Guide
: Controls the 14-pin ZIF socket to accurately measure resistors, capacitors, and diodes. A factory-stock firmware build often suffers from imprecise Vlosscap V sub l o s s end-sub dsotc2 firmware upd
The update process will take a few minutes. Do not disconnect the device or close any windows. The DSO-TC2 screen may go dark or display a status bar.
readings on large capacitors or laggy refresh rates during fast horizontal time-base adjustments. Updating the system firmware permanently rewrites this underlying hardware instructions inside the chip's non-volatile memory, optimizing power efficiency and improving measurement tolerance thresholds. : While the device is OFF , connect
Some DSOTC2 models support OTA (over-the-air) updates via their companion app (e.g., "RoadCam" or "ActionPro"). However, OTA updates are less reliable. For a critical dsotc2 firmware upd , always use the PC method.
FNIRSI DSO-TC2 is a handheld 2-in-1 device that combines a digital oscilloscope with a transistor tester. While it has been largely superseded by the Step-by-Step Update Guide : Controls the 14-pin ZIF
While the Official FNIRSI Site provides standard bug fixes, the community often seeks updates to address known quirks:
: If your measurements are inaccurate, look for a "Calibration" or "Self-Test" option in the system settings menu. Reset Switch