R&S FSH Quick Verification
1145.5973.82 2.1 E-11
2 Adjustment
T
his chapter describes the adjustment of the software-controlled module data following the replacement
of modules.
The R&S FSH permits the following manual adjustments:
• Adjustment of the 10-MHz reference oscillator that determines the frequency accuracy of the
R&S FSH.
• Adjustment of the level accuracy of the R&S FSH for different attenuator settings.
Adjustment enables you to maintain and restore the data integrity of the instrument.
Manual adjustments must be performed at an ambient temperature between +20°C and +30°C after the
instrument has warmed up.
After the adjustments have been performed, the R&S FSH offers full data integrity. This can be verified
by performing the Performance Test as described in Chapter 1.
Verifying the functionality of the R&S FSH is recommended before you start performing adjustments or
the performance test. The verification procedure is described in the following section, ”Quick
Verification”.
Quick Verification
The quick verification procedure verifies hardware functionality before full testing can start. Testing of
the following is recommended:
• On/off functionality
• Connections of the power adapter and the AF output
• Display
• Level and noise
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