Fnirsi Dsotc2 - Firmware

To update the firmware on your FNIRSI DSO-TC2 (a 2-in-1 digital oscilloscope and transistor tester), follow the standard "CH UPGRADE" process used for FNIRSI handheld devices. Firmware Update Instructions Preparation : Ensure the device is turned off Type-C data cable that supports data transfer (it must have D+ and D- lines). Enter Upgrade Mode