Adobe photoshop cs2 사용자 설명서

ADOBE PHOTOSHOP CS2 

Quality options. For ZIP compression, Photoshop provides 4-bit and 8-bit Quality options. If you use 4-bit ZIP 
compression with 4-bit images, or 8-bit ZIP compression with 4-bit or 8-bit images, the ZIP method is lossless; that 
is, data is not removed to reduce file size, so image quality is not affected. Using 4-bit ZIP compression with 8-bit 
data can affect the quality, however, because data is lost. 

Specifies the size of the tiles used in images with JPEG 2000 compression. When low Image Quality values 

are used to optimize images smaller than 1024 x 1024 pixels, using the largest tile size produces better results. In 
general, a tile size of 1024 is best for most images. Lower tile sizes are generally used for images with small dimensions 
(for viewing on devices such as cell phones). 

Converts 16-bits-per-channel images to 8-bits-per-channel 

images. ZIP  is  the only compression  method  available if the  Convert 16 Bits option is unselected.  If  your  document’s  
Compatibility setting is Acrobat 5 (PDF 1.4) or earlier, the Convert 16 Bits option is unavailable, and images are 
automatically converted to 8 bits per channel. 

You can set the following options in the Output section of the Adobe PDF Options dialog box. Interactions between 
Output  options change depending on whether  Color Management is on or off  and which  PDF standard is selected.  

Specifies how to represent color information in the Adobe PDF file. When you convert color 

objects to RGB or CMYK, also select a destination profile from the pop-up menu. All spot color information is 
preserved during color conversion; only the process color equivalents convert to the designated color space. 

Preserves color data as is. This is the default when PDF/X-3 is selected. 

Converts all colors to the profile selected for Destination. Whether the profile is included 

or not is determined by the Profile Inclusion Policy. 

Describes the gamut of the final RGB or CMYK output device, such as your monitor or a SWOP 

standard. Using this profile, Photoshop converts the document’s color information (defined by the source profile in 
the Working Spaces section of the Color Settings dialog box) to the color space of the target output device. 

Determines whether a color profile is included in the file. 

Specifies the characterized printing condition for the document. An output intent 

profile is required for creating PDF/X-compliant files. This menu is available only if a PDF/X standard (or preset) is 
selected in the Adobe PDF Options dialog box. The available options depend on whether color management is on or 
off. For example, if color management is off, the menu lists available printer profiles. If color management is on, the 
menu lists the same profile selected for Destination Profile (provided it is a CMYK output device), in addition to 
other predefined printer profiles. 

Describes the intended printing condition. This entry can be useful for the intended receiver of 

the PDF document. 

A pointer to more information on the intended printing condition. The identifier is 

automatically entered for printing conditions that are included in the ICC registry. 

Indicates the web address for more information on the registry. The URL is automatically entered 

for ICC registry names.