Each entry in the locales.dat file links a platform-specific locale definition to a SAP ASE language and character set combination.
locale = platform_locale, syb_language, syb_charset
platform_locale is the platform-specific keyword for a locale. For acceptable values, see your operating system documentation.
For the site default locale, platform_locale is “default”.
syb_language is the language directory to be used from within %SYBASE%\locales\language_name.
syb_charset is the character set that determines the character set conversion method and identifies the directory location of the message files for clients from within %SYBASE%\locales\language_name\charset_name.
locale = default, us_english, iso_1