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- Wed Nov 13, 2019 3:33 am
- Forum: DSO138
- Topic: Displayed information only correct in AC coupling mode
- Replies: 0
- Views: 4645
Hello everyone. I hope you can help me with the troubleshooting. When I am measuring PWM pulses in DC mode (1khz test pulse) the information ( frequency, duty cycle,etc) were not displayed correctly. They are randomly changing. But when I change the coupling to AC the information were displayed corr...