3M S40C - Manual (Page 21)

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• This function may not be work well with some types of input signals.
• The adjustable range for correcting keystone distortions will vary with the type of
input signal.
NOTE
CORRECTING KEYSTONE DISTORTIONS
1
Press the KEYSTONE button
As illustrated on the right, a dialog will appear
on the screen to aid you in correcting the
distortion.
2
Use the , buttons to correct the
distortion
Press the KEYSTONE button again to close the dialog and
complete this operation. (Even if you don't do anything, the
dialog will automatically disappear after a few seconds.)
KEYSTONE
VIDEO
ASPECT
MUTE
KEYSTONE FREEZE
OFF
ON
MENU POSITION
ENTER
ESC RESET
VOLUME MAGNIFY
AUTO BLANK
RGB SEARCH
STANDBY/ON
16
KEYSTONE