Using the keypad buttons
Most buttons are described in detail in other sections, but here is an over- view of their functions:
power–turns the projector on (page 9) and off (page 14).
menu–opens the on-screen menus (page 29).
select–confirms choices made in the menus (page 29).
up/down arrows–navigates to and adjusts settings in the menus (page 29).
auto image–resets the projector to the source.
presets–cycles through the available preset settings (page 31).
keystone–vertical keystone adjusts the squareness of the image (page 12). You can also adjust the horizontal keystone of the LP640 via the menus. See page 30.
volume–adjusts sound (page 26).
video and computer–changes the active source.
menu navigation buttons
