Spectrum Analyzer Menus
2715 User Manual
6–89
100.0MHz
(AUTO SWEEP)
ATTN 12DB
28.8DBMV
VF 300KHz
1.0MHz/
10 DB/
300KHz RBW (AUTO)
1. Center a strong video carrier.
2. Call up the Sweep/Trigger menu and select item 7, MANUAL SCAN.
The spectral display reappears, but it does not appear to be updating.
3. Turn the inner LEVEL control knob and watch the screen carefully.
A portion of the display updates as you turn the knob. In this mode, the knob
controls the horizontal sweep position.
4. Turn the inner LEVEL control knob slowly from fully counter-clockwise to
fully clockwise, and watch the screen update.
This feature enables you to carefully examine a small portion of the
spectrum. It is also convenient for manually scanning a broadcast or
communications band while listening to demodulated signals — the 2715
acts like a radio receiver. The operator can stop at any station since the
sweep is being manually controlled.
5. Toggle the manual scan mode off by selecting item 7 again.
USER DEF
100.0MHz
(AUTO SWEEP)
ATTN 12DB
28.8DBMV
VF WIDE
20MHz/
10 DB/
5MHz RBW (AUTO)
The User-Definable menu enables you to store and execute user-definable
sequences of keystrokes called routines or programs. The routines are intended to
permit a series of operations to be carried out with only two keystrokes. Press the
USER DEF menu button and select the routine you want to run. This feature is
particularly useful when you have to make a series of repetitious measurements.
Before you can use routines they must be created, and each routine must have a
well-defined starting point. One good way to ensure the routine starts with the
correct instrument settings is to begin by recalling a specific group of settings.
Manually Scanning
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Страница 19: ...Introduction ...
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Страница 25: ...Getting Started ...
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Страница 47: ...Operating Basics ...
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Страница 109: ...CATV Measurements ...
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Страница 275: ...Appendices ...
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Страница 302: ...Appendix B Broadcast AM FM and TV Signal Sources B 2 2715 User Manual ...
Страница 318: ...Appendix C System Messages C 16 2715 User Manual ...
Страница 334: ...Appendix E External Input and Output E 12 2715 User Manual ...
Страница 339: ...Glossary and Index ...
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