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Performance Tests
CSA 803C Service Manual
4Ć19
The Extended Diagnostics perform more extensive testing than the SelfĆTest
diagnostics. They can be used to assist troubleshooting, particularly in
service environments.
Setup to Invoke Extended Diagnostics
CSA 803C
If the CSA 803C entered the normal operating mode without any diagnostic
failures, perform the following steps to enter the Extended Diagnostics
mode. Do not attach inputs or I/O cables to the CSA 803C for these tests.
Procedure to Invoke Extended Diagnostics
ăStep 1:ăWith the sampling head installed as illustrated, check initial
conditions as follows:
Set the CSA 803C ON/STANDBY switch to ON press...............
Check sampling head Select button is OFF visually check indicator..
CAUTION
You may lose stored settings, stored traces, or other data stored in
NVRAM by turning the power off (that is, setting the ON/STANDBY
switch to STANDBY or the PRINCIPAL POWER SWITCH to OFF)
during the execution of the Extended Diagnostic tests that deal with
the Executive processor's NVRAM tests. However, this does not
seriously affect oscilloscope operation.
Select the UTILITY button press..................................
Page to Enhanced Accuracy (in major menu) touch...........
Page to Utility2 (in major menu) touch........................
Extended Diagnostic (in major menu) touch..................
Extended Diagnostic (in popĆup menu) touch.................
Select All, and then Run to start the tests touch................
Extended
Diagnostics