- Boxlight USER'S GUIDE Multimedia Projector 12SF

Keystone + -

Use this feature to adjust the image vertically and make a squarer

image.

1 Press the

keystone +

button to reduce the upper part of the

image, and press the

keystone -

button to reduce the lower

part. You can also adjust keystone from the Display menu (see

page 34 for details on the menu).

IGURE

Adjusting the keystone

Forward/back buttons (remote only)

These buttons are not used with video sources.

These buttons act like the page up and page down buttons on

your computer’s keyboard. You can use them to advance through

a slide show in PowerPoint™ presentations. To use this feature,

you must purchase an optional M1-DA cable and connect the

USB connector on that cable to the computer.

Up/down/left/right arrow buttons (remote only)

Use these buttons to navigate through and make adjustments to

the on-screen menus. See “Using the On-Screen Menus” on

page 33 for details.

Power but ton

This turns the lamp on and off. See page 12 for startup instruc-

tions and see page 22 for shutdown instructions.

increasing keystone

decreasing keystone