![](/images/backgrounds/119747/bg1b.png)
Keystone (remote only)
Use this feature to adjust the image vertically and make a square image. Press
the Keystone + button to reduce the upper part of the image 1, and press
the Keystone - button to reduce the lower part2. You can also adjust the
keystone from the Display menu. See “Display menu”on page 19.
Forward/back buttons (remote only)
These buttons act like the page up and page down buttons on your computer
keyboard. You can use them to advance througha slide show in PowerPoint
presentations. To use this feature, connect the USB mouse connector on the
computer cable to your computer. See “Connecting a computer to the
projector”on page 7.
Up/down arrow buttons
Use these buttons to navigate through and make adjustments to the on-screen
menus. See “Using the on-screen menus”on page 18.
Chapter2. Using the projector 17