Epson EMP-7550 Owner's Manual page 52

In addition to the remote control, you can also control the
projector by using the buttons on the projector's operation
panel located on top of the projector.
This table summarizes the functions on the remote control.
Button
Menu
Source
Effects buttons
Top multi-
purpose button
Bottom multi-
purpose button
Help
Resize
Custom
Freeze
AV/Mute
– Volume +
Power
30
Function
Displays or hides the menu.
Switches the input source to Conmputer or Video.
Use to display special effects; 1 Pointer, 2 Box, 3 Line,
4 Marker, 5 Clear.
Acts as a right mouse click, registers a menu
selection, and selects other custom functions.
Acts as a left mouse click, registers a menu selection,
and selects other custom functions.
Displays the help menu for various types of problems
you may encounter.
Switches between Resizing screen and Window
screen (PC input).
Zooms an image using the Mouse Right/Left buttons.
Keeps the current computer or video image on the
screen.
Turns off the image and sound of the projector
temporarily.
Adjusts the volume.
Turns the projector on or off.