Watermarks can underlay output pages for formatting, printing, or publishing a PDF by setting this environment variable to the value you want to appear as the watermark text. If set to null, then no watermark is produced.

You can set this value for all documents at startup by setting the environment variable on your system. You can set this value for individual documents from the Arbortext Editor command line. For example:

You can reset the variable to a null value using the ACL unsetvar command. For example:

More information on configuring PDF output is also available from the Customizer's Guide.