User Manual

44
Set channel coupling mode
Tips：This setting applies only for the current channel, if need setting other channels, user
should switch to the current channel first, then press or to switch directly, no
need to exit the main menu
Ch1 connects to the DC bias of square wave signal; please follow these steps to set the DC
coupling sample
1) Press to enter main menu set
2) Press to set the coupling mode as DC, waveform is shown in figure 3 -2 DC.
DC AC GND
Picture3-2 coupling