Choosing FREQ/DIST in Spectrum Analyzer mode causes the soft keys, below, to be dis
-
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
-
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
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
-
plitude versus time mode, which is useful for viewing modulation.
q
START ¾ Sets the Spectrum Analyzer in the START-STOP mode. Enter a
start frequency value (in MHz) 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 MHz) using the Up/Down arrow key or keypad,
press
ENTER to accept, ESCAPE to restore.
3-13
Chapter 3 Functions and Operations
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