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TAS 455 and TAS 465 Service Manual
4Ć1
General Instructions
This Performance Verification section is divided into two subsections, Brief
Performance Checks and Performance Tests.
The Brief Performance Checks section contains procedures to verify the
operation of the TAS 455 and TAS 465 Analog Oscilloscopes.
The Performance Tests section contains procedures to confirm the
performance of the TAS 455 and TAS 465 Oscilloscopes to its warranted
specifications.
The Brief Performance Checks contain three procedures: PowerĆOn Self
Tests, Functional Tests, and Temperature Compensation Calibrations. ComĆ
pleting these checks takes approximately one hour.
The Self Tests are performed each time the oscilloscope in powered on.
The Functional Tests use the probe compensation output on the front panel
as a testĆsignal source for further verifying that the oscilloscope functions
properly. A standardĆaccessory probe, included with this oscilloscope, is the
only equipment required.
To rapidly confirm that this oscilloscope functions and was adjusted properĆ
ly, perform the procedures in the Functional Tests section; which begin on
page 4Ć3.
Advantages: These procedures are quick to do, require no external equipĆ
ment or signal sources, and provide high confidence that the oscilloscope
will perform properly. These also provide handsĆon experience to become
familiar with the controls and menus.
The Temperature Compensation Calibrations allow you to adjust the display
accuracy of the oscilloscope.
The Performance Tests confirm that the TAS 455 and TAS 465 Oscilloscopes
perform as specified. The Performance Tests begin on page 4Ć13. CompletĆ
ing these tests takes approximately two hours and requires suitable test
equipment. (See Equipment Required on page 4Ć13.)
Advantages: These procedures add direct checking of warranted specificaĆ
tions.
Using the Brief
Performance Checks
Procedures
Using the
Performance Tests
Procedures