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The firmware file (DSO4200C.bin) must be copied to the internal disk of the UCE-DSO4200C. There are two ways to recognize the device as USB Disk to PC. First way, Plug the UCE-DSO4200C with USB Cable to PC. And then Click USB DISK icon at main menu (Figure 1). Figure 1.
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Second way, Connect UCE-DSO4200C to PC via USB Cable. Then, power up the Device while holding down the Btn-1 button (Figure 3). Finally, release the Btn-1 button. When the device recognizes as USB Disk, there will be a connection information on the screen (Figure 4) and it is listed in the ‘Devices and drivers’...
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4. Firmware Update After recognizing it as a USB Disk, extract the firmware file (DSO4200C.bin) from the rar file and copy it to the UCE-DSO4200C USB Disk (Figure 5). And then turn the device off and on again. Figure 5.