localCp resource

From The x3270 Wiki
Type Default Option
integer system ANSI codepage

This resource is used only on Windows systems.

Forces the emulator to use the specified codepage in place of the system ANSI codepage, which is the default. This codepage is used when interpreting keymap files, generating trace files, and for all b3270 protocol input and output.

The utf8 resource overrides this resource.