HP 8360 User Handbook Manual page 460

Instrument History
This manual documents the current production versions of the
"standalone" HP 8360 series synthesized sweepers which include
the HP 83620A/22A, HP 83623A/24A, HP 83640A/42A, and
HP 83630A/50A.
As future versions of these instrument models are developed, this
manual is modified to apply to those instruments. Information
provided in this chapter allows you to adapt this manual to the
earlier versions. You may have to modify your manual using the
information in this chapter. Check the serial number prefix attached
to your synthesizer's rear panel and then locate it in the following
tables. The tables tell you which changes to make. Incorporate the
changes in reverse alphabetical order.
Instrument History 5-l
HP 6360
User's Handbook