Epson PowerLite L200SX 3600-Lumen XGA Short-Throw Laser 3LCD Smart Projector - Manual (Page 204)

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Setting Options Description
Audio Output Auto
Audio1
Audio2
Audio L/R
Sets the audio input port when projecting
from input sources other than HDMI, LAN,
and Screen Mirroring
HDMI Audio Output HDMI1 Audio Output
HDMI2 Audio Output
Sets the audio input port when projecting
from one of the HDMI ports
Monitor Out Port Monitor Out
Computer2
Selects the function of the
Computer2/Monitor Out port
Monitor Out : select this option when
outputting an image signal to an external
monitor
Computer2 : select this option when
inputting an image signal from a computer