HP Cell Phone Accessories E6380-90019 用户手册

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页码 228
132
Chapter 5 
Analog Measurements - Screens and Control Fields
Filter 2
Filter 2
Filter 2 
This field selects an audio frequency filter which can be used to 
condition the audio signal before it is analyzed by the audio frequency 
analyzer. 
The following filter choices are available:
• 300Hz LPF
• 3kHz LPF
• 15kHz LPF
• >99kHz LP
• 6kHz  BPF
Operating Considerations
The audio from the Test Set’s speaker is not affected by Filter 1 or 
Filter 2 settings.
Screens on which this field is displayed
AF ANALYZER
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