Epson BrightLink 1480Fi User Manual page 304

Setting
Number of Projectors
Order
Connect Computer
Options
2 to 4
1 to 4 (when HDMI Out Setting
is set to Pass Through)
1 or 2 (when HDMI Out Setting
is set to Process Out)
Yes
No
304
Description
Sets the number of projectors
used to create a unified image;
this setting is displayed only if
HDMI Out Setting is set to Pass
Through
Sets the projector's position in
numbered order from left to right
Set to Yes if you connected a
computer to the projector; this
setting is displayed only if HDMI
Out Setting is set to Process
Out