1. Restricted protection: Specifies the highest input RF level and the highest voltage that causes permanent damage: DC 25V, AC peak 100V.
2. Preheat: The test must wait until OVER COLD disappears.
3. Self-school: use three months, or important measurement before, to self-school.
4. System measurement configuration

The above is the use of spectrum analyzer introduced. Hope that we can correctly use this spectrum analyzer. And thus better applied to a variety of industrie
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