User Manual

45
Set channel coupling mode
DC: DC coupling, the measured signal contains the DC and AC components both can
get through, as shown in figure 3-2 DC;
AC: AC coupling，the measured signal of DC signals are blocked, only allowing the AC
component get through, as shown in figure 3-2 AC;
GND: the measured signal is blocked, as shown in figure 3-2 GND.
Sample coupling mode in the left corner of screen, as shown in picture 3-3, CH1 is in
coupling GND, CH2 is in coupling AC, and if there is no arrow point means the channel is in
DC coupling.
Picture3-3 Coupling icon