Welcome
leiated Manuals
This manual is designed to familiarize you with the features and operation of 
the 2221A Digital Storage Oscilloscope.
The Before You Begin section contains important safety information as well 
as instructions on preparing the instrument for use.
Use the At a Glance section to learn about each of the front-panel controls 
and menus.
With the In Detail section you can begin exploring the various ways of using 
the oscilloscope to display, measure, and store waveforms.
Tektronix also provides the following documentation for the 2221A Digital
Storage Oscilloscope;
■  The 2221A Service Manual contains extended service information; in
cluding circuit description, schematics, and a complete electrical parts 
list. There are two service manuals: part number 070-8157-01  docu
ments instruments with serial numbers BQ10100 to B019999; and part 
number 070-8549™XX is for serial numbers B020000 and above.
■  The 2221A, 2224, & 2232 Optional GPIB & RS-232-C Interfaces User 
Manual (070-8159-XX) shows how to connect, program, and use the 
optional GPIB and RS-232-C communication interfaces.
*  The QuickStart package (020-1812-04 for the U.S. and 020-1812-06 
for international) includes a video tape and exercises along with a signal 
board to provide you with practical instruction.
2221A User Manual
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