HP 1652B Getting Started Manual page 79

List of Effective Pages
The List of Effective Pages gives the date of the current edition and of any
pages changed in updates to that edition. Within the manual, any page
changed since the last edition is indicated by printing the date the changes
were made on the bottom of the page. If an update is incorporated when
a new edition of the manual is printed, the change dates are removed from
the bottom of the pages and the new edition date is listed in Printing
History and on the title page.
Pages
Effective Date
All
November 1989