Acer M230A - Manual (Page 26)

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26
Normal
For 4:3 standard pictures. A side bar appears on each side.
Full
In this mode, the screen will display 6:9 standard pictures.
Zoom
In this mode, 4:3 content is changed to 6:9, and 6: 9 content
is changed to 4:9.
Cinema
In this mode, the aspect ratio is maintained and content is
zoomed to fit the screen.
Widescreen display mode
Your Acer monitor has a special widescreen mode that allows you to toggle between
Normal, Full, Zoom, and Cinema type views.
Press the WIDE key on the remote control to cycle the display between the four wide
modes.
WIDE