Dahua NVR41 Series User Manual page 385

User's Manual
Figure 4-274
Step 2 Click and then click to select basic mode.
System adopts the basic window mode as the new window name. For example, if
you select the 8 display mode, the default name is Split8.In regular mode, drag the
mouse in the preview frame; you can merge several small windows to one window so
that you can get you desired split mode. See Figure 4-275.
371