UNI-T UT 4000 Series Manuel d'utilisateur télécharger pdf (Page 27)

UNI-T

UT4000 User Manual

1. Setting up channel coupling

Take the example of applying a signal to CH1. The signal being tested is a sine signal that

contains DC %.

Press [F1] then [F2] to select AC. It is now set up as AC coupling. DC quantities of the

signal being tested will be intercepted. The waveform display is as follows :

Figure 2-1 DC quantities of the signal are intercepted

Press [F1] twice to select DC. Both DC and AC quantities of the testing signal being

inputted to CH1 can pass through. The waveform display is as follows :

Figure 2-2 Both DC and AC quantities of the signal are displayed

AC coupling setup

DC coupling setup

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UNI-T UT 4000 Series Manuel d'utilisateur Page 27