HBO Warning Screen

Background
In 1981, briefly displayed a copyright warning screen at the end of their broadcast day. This practice ended on 28 December 1981, when HBO completed its transition to 24-hour broadcasting to compete with rival network Showtime.

(1981)
Warning: On a dark medium dark shade blue background, the following copyright warning appears in a small white Helvetica font with a black shadow:
 * {|class="wikitable" style="text-align:center"


 * THE HOME BOX OFFICE PAY TELEVISION SERVICE IS A PRODUCTION OF HOME BOX OFFICE, INC. © 1981 Home Box Office, Inc. All Rights Reserved. No part of the service may be reproduced or transmitted in any form without the written permission of Home Box Office, Inc.
 * }

Technique: None.

Music/Sounds: None.

Availability: Only seen at the very end of the channel's sign-off throughout 1981.