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4.User Notice
26
state. The Spectrum analyzer will display the spectrum from
9kHz to the maximum span width. The signal generated will
display as a vertical line at 100MHz. Refer to Figure 4-8。
Figure 4-8 Full Span
To clearly observe the signal, reduce the frequency span to 1 MHz
and set the center frequency to 100MHz.
2) Setting Center Frequency
Press "FREQ", select [Center frequency] on corresponding pop up
menu. Input "100" and select the unit as MHz on the numeric
keypad. The keys can be used to set the exact value but the knob
and directional keys can also be used to set the center frequency.
3) Setting Frequency Span
Press 【SPAN】, input "1" and select MHz as its unit using the
numeric keypad; or press 【↓】 to decrease to 1MHz.
Press 【BW】, set [resolution bandwidth] to manual, and input
"30" and select kHz as its unit using the numeric keypad; or
press 【↓】to decrease to 30kHz.
Press 【Detector】, set the detection type to positive peak.
Figure 4-9 shows the signal at a higher resolution.
Please note that resolution bandwidth, video bandwidth and
frequency span are self-adapted. They adjust to certain values
according to frequency span. Sweep time can be self-adapted too.
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