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CSA 803A Service Manual
5Ć1
Adjustments
This section contains procedures to check electrical specifications, to exĆ
amine measurement limits, and to manually set all internal adjustments
listed in Table 5Ć1. Use these procedures to return the CSA 803A to speciĆ
fied operation following repair or as part of a comprehensive performance
test procedure to verify that the CSA 803A meets specifications. To adjust
the CSA 803A, simply perform the procedures listed in this section. The
Measurement Limits are given at the beginning of each procedure. FunctionĆ
al tests are included in the Performance Verification section. Refer to the
CSA 803A Communications Signal Analyzer User Manual for more informaĆ
tion about specifications and CSA 803A operation. The Setup in each proceĆ
dure provides information concerning test equipment setup or
interconnection. Refer to Table 5Ć2 for more information concerning test
equipment used in the setups.
Most Adjustment and Performance Verification procedures can be run in any
order. However, the Sampling Head Calibration must always precede other
procedures which use an operational sampling head. Also, if different samĆ
pling heads are used, then sampling head calibration is required for each
additional sampling head.