Singer 40 - Introduction to Models 40 and 42 Disc Drives

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INTRODUCTION
This manual is intended for those who are interested in the operating and pro-
gramming characteristics of the Models 40 and 42 Disc Drives. Included in
the manual are a general description of the Models 40 and 42; a table of speci-
fications; a description of the operator control panel; a thorough discussion of
read and write operations; discussions of multi-partition and timing consider-
ations; instructions on how to mount and remove disc packs; plus a summary
of all Condition Codes associated with the Models 40 and 42.
Detailed operating instructions may be found in the Model 40 Disc Drive
Operator Instructions, Publication No. 40-023, and the Model 42 Disc Drive
Operator Instructions, Publication No. 40-332.
Models 40 and 42 Reference Manual 0-1