User Guide

ACDSee Pro 2.5 - User Guide
254
Background Default
color
Uses the ACDSee Viewer background color.
Custom
color
Specifies a color to use as the background in the Quick
View window.
Setting JPEG options
You can change the settings in the Options dialog box to control the quality of the JPEG image,
encoding method, color subsampling method, and whether to update or create embedded
thumbnails in the JPEG image.
JPEG Options
Image
quality
Drag the slider to determine the quality of the JPEG image.
Encoding x Progressive: Select to enable progressive encoding.
x Optimize Huffman codes: Select to optimize Huffman codes to
increase compression.
Color
component
sampling
x 2:1 Horizontal: Select to subsample color channels on the horizontal
axis by a factor of 2:1.
x 2:1 Vertical: Select to subsample color channels on the vertical axis
by a factor of 2:1.
Embedded
thumbnails
x Only update existing thumbnails: Select to update any existing
embedded thumbnails.
x Always add/update thumbnails: Select to update any existing
embedded thumbnails, or create embedded thumbnails.
x Never add/update thumbnails: Select if you do not want to update
any existing embedded thumbnails, or if you do not want to create
embedded thumbnails.
x Generate DCF compatible thumbnails: Select to generate
thumbnails that meet the Digital Camera Format (DCF) specification
and are compatible with the thumbnail view on the LCD of a digital
camera. This option forces a fixed resolution of 160x120 and pads any
extra space with black.
Save these
settings as
the defaults
Select this option to use these JPEG settings by default for all JPEGs.