HBO Warning/Copyright Screens

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.

1st Warning (1981)
Source (timestamp 1:54)

Warning: On a dark lilac background, the following copyright warning appears in small white Helvetica text, with a black shadow:


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 * 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.
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FX/SFX: None.

Music/Sounds: None.

Availability: Seen at the end of the day’s transmission.

Legacy: None