Epson EpiqVision Ultra LS300 3600-Lumen Full HD Ultra-Short Throw Smart Laser 3LCD Projector (Black) - Manual (Page 57)

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Setting Options Description
High Altitude Mode On
Off
Regulates the projector’s
operating temperature at
altitudes above 4921 feet (1500
m)
HDMI CEC HDMI CEC
Device Auto Power Off
Auto Language Change
HDMI2 ARC
Adjusts the HDMI CEC options
that allow the projector remote to
control HDMI-connected devices
that support the CEC standard
HDMI CEC : allows for control of
the connected device using the
projector's remote control. If this
setting is
On , the projector
automatically turns on when the
device is turned on or playback is
started on the device
Device Auto Power Off :
automatically turns off the
connected device when you turn
off the projector
Auto Language Change :
automatically switches the
language settings of the
connected device according to
the projector's language setting
HDMI2 ARC : enables HDMI ARC
on the HDMI2 (ARC) port
Reset Projector Settings — Resets the projector's menu
settings to their factory defaults