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Инструкция по эксплуатации Anritsu, модель S113C

Производитель: Anritsu
Размер: 656.76 kb
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Язык инструкции:en
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Spectrum Analyzer Mode Soft Key Labels (continued) MODE=POWER MONITOR: SOFTKEYS: UNITS REL OFFSET ZERO Figure 2-6. Power Monitor Mode Soft Key Labels Chapter 2 Functions and Operations FREQ/DIST Frequency Menu Distance Menu Distance Sub-Menu Displays the frequency and distance menu depending on the measurement mode. Provides for setting sweep frequency end points when FREQ mode is selected. Selected frequency values may be changed using the keypad or Up/Down arrow key. • F1 — Opens the F1 parameter for data entry. This is the start value for the frequency sweep. Press ENTER when data entry is complete. • F2 — Opens the F2 parameter for data entry. This is the stop value for the frequency sweep. Press ENTER when data entry is complete. Provides for setting Distance to Fault parameters when a DTF mode is selected. Choosing DIST causes the soft keys, below, to be displayed and the corresponding values to be shown in the message area. Selected distance values may be changed using the keypad or Up/Down arrow key. • D1 — Opens the start distance (D1) parameter for data entry. This is the start value for the distance range (D1 default = 0). Press ENTER when data entry is complete. • D2 — Opens the end distance (D2) parameter for data entry. This is the end value for the distance range. Press ENTER when data entry is complete. • DTF AID — Provides interactive help to optimize DTF set up parameters. Use the Up/Down arrow key to select a parameter to edit. Press ENTER when data entry is complete. • MORE — Selects the Distance Sub-Menu, detailed below. Provides for setting the cable loss and relative propagation velocity of the coaxial cable. Selected values may be changed using the Up/Down arrow key or keypad. • LOSS — Opens the Cable Loss parameter for data entry. Enter the loss per foot (or meter) for the type of transmission line being tested. Press ENTER when data entry is complete. (Range is 0.5 to 5.000 dB/m, 1.524 dB/ft) • PROP VEL (relative propagation velocity) — Opens the Propagation Velocity parameter for data entry. Enter the propagation velocity for the type of transmission line being tested. Press ENTER when data entry is complete. (Range is 0.010 to 1.000) • CABLE — Opens a list of cable folders for selection of a common coaxial cable folder or custom coaxial cable folder. Select either folder and use the Up/Down arrow key and ENTER to make a selection. This feature provides a rapid means of setting both cable loss and propagation velocity. (Refer to Appendix A for a listing of common coaxial cables showing values for Relative Propagation Velocity and Nominal Attenuation in dB/m or dB/ft @ 1000 MHz, 2000 MHz and 2500 MHz.) The custom cable folder can consist of up to 24 user-defined cable parameters downloaded via the Site Master Software Tools program. • WINDOW — Opens a menu of FFT windowing types for the DTF calculation. Scroll the menu using the Up/Down arrow key and make a selection with the ENTER key. • BACK — Returns to the Distance Menu. 2-10 Chapter 2 Functions and Operations Choosing FREQ/DIST in Spectrum Analyzer mode causes the soft keys, below, to be displayed and the corresponding values to be shown in the message area. • CENTER . Sets the center frequency of the Spectrum Analyzer display . Enter a value using the Up/Down arrow key or keypad, press ENTER to accept, ESCAPE to restore previous value. • SPAN . Sets the user-defined frequency span. Use the Up/Down arrow key or keypad to enter a value in MHz. Also brings up FULL and ZERO softkeys. • EDIT allows editing of the frequency span. Enter a value using the number keys. • FULL span sets the Spectrum Analyzer to its maximum frequency span. • ZERO span sets the span to 0 Hz. This displays the input signal in an amplitude versus time mode, which is useful for viewing modulation. • SPAN UP 1-2-5 activates the span function so that the span may be increased quickly in a 1-2-5 sequence. • SPAN DOWN 1-2-5 activates the span function so that the span may be reduced quickly in a 1-2-5 sequence. • BACK returns to the previous menu level. • START . Sets the Spectrum Analyzer in the START-STOP mode. Enter a start frequency value (in kHz, MHz, or GHz) using the Up/Down arrow key or keypad, press ENTER to accept, ESCAPE to restore. • STOP . Sets the Spectrum Analyzer in the START-STOP mode. Enter a stop frequency value (in kHz, MHz, or GHz) using the Up/Down arrow key or keypad, press ENTER to accept, ESCAPE to restore. 2-11 Chapter 2 Functions and Operations AMPLITUDE Amplitude Menu Displays the amplitude or scale menu depending on the measurement mode. Provides for changing the display scale. Selected values may be changed using the Up/Down arrow key or keypad. Choosing AMPLITUDE in FREQ or DTF measurement modes causes the soft keys, below, to be displayed and the corresponding values to be shown in the message area. • TOP — Opens the top parameter for data entry and provides for setting the top scale value. Press ENTER when data entry is complete...

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