Acer U5200 - Manual (Page 15)

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Remote Control Layout
# Function Description
1 Infrared
transmitter Sends signals to the projector.
2 POWER Refer to the "Turning the Projector On/Off" section.
3 FREEZE To pause the screen image.
4 RESYNC Automatically synchronizes the projector to the input
source.
5 BACK Goes back to the previous selection.
6 Keystone Adjusts image distortion caused by tilting projection
(±15 degrees).
Four
directional
select keys Selects items or makes adjustments to your selection.
7 Mouse
button This function is not available with the projector.
8 Four
directional
select pad Selects the media files in four directions.
9 VOL +/- Increases/decreases the volume.
10 Empowering key Enables unique Acer functions: eView, eTimer,
eOpening, ePower Management.