Epson EMP Link 21L User Manual page 15

Source switching button (Computer/YCbCr)
Use this button to switch the input source of the projector. Clicking the button switches the input source
in the same sequence performed by the [Computer/YCbCr] button on the panel of the projector.
Note: This button is not supported depending on projector model you use.
Source switching button (Video)
Use this button to switch the input source of the projector. Clicking the button switches the input source
in the same sequence performed by the [Video] button on the panel of the projector.
Note: This button is not supported depending on projector model you use.
A/V Mute button
Use this button to enable or disable the A/V Mute function of the projector. The button functions in the
same way as the [A/V Mute] button on the panel of the projector.
Power button
Use this button to turn on/off the projector.
Close button
Use this button to close the EMP Link 21L screen.
4 Using EMP Link 21L
EPSON EMP Link 21L User's Guide 15