The is a handheld 100 MHz oscilloscope, multimeter, and waveform generator. Keeping its firmware updated is essential for resolving known issues, such as a horizontal graticule display bug in version 1.51 and earlier. Firmware Update Resources
The update process requires a PC connection and the specific file for your model. Check Current Version F2 (System) to find your current firmware and hardware version. Enter Upgrade Mode : In the System menu, select USB Connection : Connect to your PC. In the System menu, set owon hds2102s firmware update link