NEC MultiSync EX241UN-BK User Manual page 32

Using ControlSync function with multi screen configuration
To control sub monitor from master monitor, control buttons of the master monitor is used.
Please install master monitor at accessible place.
Mounting multi screen configuration
When monitors are used in a multi screen configuration for a longer time, slight expansion of the displays may happen due to
temperature changes. Due to this it is recommended that over one millimeter gap is kept between adjacent display edges.
[Cable connection example]
H MONITOR 3
V MONITOR 3
Computer
H MONITOR 4
V MONITOR 4 including H MONITOR 2, V MONITOR 2 MST display.
Computer
If monitors are connected with ControlSync cables, please make sure the monitor, which is connected to a computer is master
monitor.
If you turn off one of monitors in multi screen configuration, the other monitor's picture connected to the monitor turn off as well.
To display the monitors, please turn on the monitor, which you turn off.
When you set MST at "DP OUT MULTISTREAM" with multi screen configuration, individual image is displayed maximally
4 monitors counting from the monitor connected with a computer.
When you set one image to be displayed with multi screen configuration, please set monitor number by referring MONITOR NO.
(see page 21). Monitor number order does not be changed by how you connect cables.
Master
DisplayPort IN
DisplayPort OUT
ControlSync OUT
ControlSync IN
MST
Master
MST
DisplayPort IN
DisplayPort OUT
English-30
DisplayPort Cable
ControlSync Cable
MST
MST
DisplayPort Cable
ControlSync Cable
ControlSync OUT
ControlSync IN