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Choosing FREQ/DIST in Spectrum Analyzer mode causes the soft keys, below, to be dis
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played and the corresponding values to be shown in the message area.
q
CENTER ¾ Sets the center frequency of the Spectrum Analyzer display . En
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ter a value using the Up/Down arrow key or keypad, press
ENTER to accept,
ESCAPE to restore previous value.
q
SPAN ¾ 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.
q
EDIT allows editing of the frequency span. Enter a value using the num
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ber keys.
q
FULL span sets the Spectrum Analyzer to its maximum frequency span.
q
ZERO span sets the span to 0 Hz. This displays the input signal in an am
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plitude versus time mode, which is useful for viewing modulation.
q
SPAN UP 1-2-5 activates the span function so that the span may be in
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creased quickly in a 1-2-5 sequence.
q
SPAN DOWN 1-2-5 activates the span function so that the span may be
reduced quickly in a 1-2-5 sequence.
q
BACK returns to the previous menu level.
q
START ¾ 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.
q STOP ¾ 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.
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Chapter 2 Functions and Operations