TDS 420A, TDS 430A & TDS 460A Service Manual
4-1
Performance Verification Procedures
Two types of Performance Verification procedures can be performed on this
product: Brief Pr ocedures and Performance Tests. You may not need to perform
all of these procedures, depending on what you want to accomplish:
H To rapidly confirm that this oscilloscope functions and is adjusted properly,
just do the procedures under Self Tests, which begin on page 4--5.
Advantages: These procedures are quick to do, require no external
equipment or signal sources, and perform extensive functional and accuracy
testing to provide high confidence that the oscilloscope will perform
properly. Use these procedures as a quick check before making a series of
important measurements.
H To further check functionality, first do the Self Tests just mentioned; then do
the procedures under Functional Tests that begin on page 4 --7.
Advantages: These procedures require minimal additional time to perform,
require no additional equipment other than a standard-accessory probe, and
more completely test the internal hardware of this oscilloscope. Use these
procedures to quickly determine if the oscilloscope is suitable for putting
into service, such as when it is first received.
H If more extensive confirmation of performance is desired, do the Perfor-
mance Tests, beginning on page 4--15, after doing the Functional and Self
Tests just referenced.
Advantages: These procedures add direct checking of warranted specifica-
tions. They require more time to perform and suitable test equipment is
required. (See Equipment Required on page 4--16.)
If you are not familiar with operating this oscilloscope, read Operating Informa-
tion in Chapter 2 of this manual. These instructions will acquaint you with the
use of the front-panel controls and the menu system.
Throughout these procedures the following conventions apply:
H Each test procedure uses the following general format:
Title of Test
Equipment Required
Prerequisites
Procedure
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