NEC LT20 - Manual (Page 19)

15 ... English
User Controls
Remote Control Control Panel
Control Panel & Remote Control
There are two ways for you to control the functions: Remote
Control and Control Panel.
Using the Control Panel
On/Standby
Refer to the “Powering On/Off the Projector” section on pages
11-12.
Source
Press “Source” to choose RGB, Component, HDTV, Composite
video and S-video sources.
Menu
Press “Menu” to launch the on-screen menu (OSM).
Keystone /
Adjusts image distortion caused by tilting the projector (±8
degrees).
Four Directional Select Keys
Use to select items or make adjustments to
your selection.
Enter
Confirm your selection of items.