LP Technologies LPT-6000, Руководство пользователя

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pg. 21
number key pad, scroll knob, or the step keys.
3-5. Measurement Methods
A 80MHz standard signal is generated inside equipment and is used as test signal.
1. Please turn on the device by pressing the ON button on the front panel and wait
until the self test and the alignment process are complete.
2. Press SYSTEM >> Power On/Preset >> Preset Type >> Factory in order, and select
Factory Preset.
3. Press I/O DETECT >> Ref Out (On) to turn on the 80 MHz standard signal generated
inside the LPT-6000 Spectrum Analyzer.
4. Please set the frequency by pressing the FREQUENCY key.
The Frequency softkey menu is now activated on the right side of the LCD and the
Center Frequency will be displayed on the screen. Using the scroll knob, step key, or
number key pad, please set the center frequency to 80 MHz.
5. Please set the span by pressing the SPAN key.
The Span softkey menu is now activated on the right side of the LCD and the Span
Frequency will be displayed on the screen. Using the scroll knob, step key, or number
key pad, please reduce Span Frequency to 20 MHz.
6. Please set the amplitude by pressing the AMPLITUDE key
It is necessary to adjust the amplitude level on the screen when the peak of a signal
does not appear on the screen. Press the AMPLITUDE key, the REF Level softkey
menu is will be activated on the right side of the LCD and the Reference Level of
0.0dBm will be displayed on the screen. Use the scroll knob, keypad, or the numeric
keypad to adjust the REF level to the desired value until you get a good signal. When
you change the reference level values, the amplitude of the highest graticule line will
be changed.