Ivan70 replied at 2019-12-28 21:42
I have tested twice, with the batteries, in this case the power button stay always on. Without the b ...
Sir, please operate as follow.
1. Remove the two batteries.
2. Open the device manager of your computer.
3. Press F1 and hold, connect the scope to the computer via a USB cable at the same time.
4. Is there a new device found in device manager?
Please upload a screenshot of device manager to check.
Post time 2020-2-14 09:19:22