Additional services include satellite feeds and production assistance with instructional media materials (e.g., audio tape recording, duplication, videotape duplication, editing). Semester long, standing orders should be made a week before the semester begins, while one-time orders should be made at least 48 hours in advance. All requests are filled on a first come, first serve basis. Students requiring the use of audiovisual equipment must complete a release form and get the appropriate signatures.