Acer AL1501 User Manual page 13

Adjusts the width of screen image. decreases width of screen
H.Size:
image, increases width of screen image.
To adjust the delay time. Press or to adjust to user
Fine Tune:
preference.
Adjusts the clarity of a non-XGA (1024x768) signal. Press
Sharpness:
or button to adjust.
To setting Language Select, Resolution Notice, OSD
Setup Menu:
position and OSD Time Out.
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