Vivotek ND9542P 32-Channel 4K UHD NVR (No HDD) - Manual (Page 145)

VIVOTEK - Built with Reliability
User's Manual - 145
3-5-14. Settings - System - Display
To enable the rotate function, click on the rotate button on the layout panel.
On this page, you can configure the system to consecutively display (rotate) cameras' view cells
on the Liveview window. For example, if you have 8 cameras in 2 2x2 layouts, the rotation can
let you see the live views of all cameras by every few seconds.
If you have a 4K monitor, select the display resolution to 3840 x 2160.
You can also enable or disable the Alarm notification.