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Button Function
Power Turns the projector on or off.
Source Switches the input source to Computer or
Video.
Menu Displays or hides the menu.
Up, down arrows
(Sync+/Sync-)
Synchronizes the computer’s graphic signal.
Use these buttons to adjust an overall image
that is fuzzy or streaked, or to select menu
items during menu operations.
Left, right
arrows(tracking-/
tracking+)
Matches the projector’s internal clock to
various computer graphic signals (tracking
adjustment).
Use these buttons to adjust an image with
vertical lines, or to change numeric settings
during menu operations.
Enter button Registers a menu selection.
Resize Switches between Resizing screen and
Window screen (PC input).
AV/Mute Turns off the screen and sound of the
projector temporarily.
– Volume + Adjusts the volume.
Help Displays the help menu for various types of
problems you may encounter.
operation panel
zoom ring
focus ring
front foot
foot adjust lever
speaker
speaker
operation indicator
remote control receiver
Operation Panel
EMP-7550/7500/5550/5500
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