NEC MultiSync M491 49" Class HDR 4K UHD Commercial IPS LED Display - Manual (Page 20)

English−16
Ventilation Requirements
When mounting in an enclosed space or recessed area, leave adequate room between the monitor and the enclosure to allow
heat to disperse, as shown below.
≥ 100 mm
≥ 100 mm
≥ 30 mm
≥
100 mm
≥
100 mm
<40 °C
NOTEN: • Allow adequate ventilation or provide air conditioning around the monitor, so that heat can properly dissipate away
from the unit and the mounting equipment; especially when you use monitors in a multiple screen configuration.
• This monitor has internal temperature sensors.
If the monitor overheats, a “Caution” warning appears. If the “Caution” warning appears, stop using the unit, turn off
the power and allow it to cool.
If the monitor is used in an enclosed area or if the LCD panel is covered with a protective screen, and the
temperature is higher than the normal operating temperature, please turn the cooling fan to [ON] within the
[FAN CONTROL] menu within the OSD (see
page 86 ).
Mounting on Ceilings
WARNINGN: Please refer to “WARNING 8” and “WARNING 9” .