How can the PHP header function be utilized to specify the correct character encoding for file downloads to ensure compatibility with CAD programs?

When downloading files for CAD programs, it is important to specify the correct character encoding to ensure compatibility. This can be achieved by using the PHP header function to set the Content-Type header with the appropriate charset parameter. By specifying the correct character encoding, you can ensure that the downloaded file will be properly interpreted by CAD programs.

<?php
header('Content-Type: application/octet-stream; charset=utf-8');