q
Back — Returns to the Distance Menu.
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. Enter 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 soft keys.
q
Edit allows editing of the frequency span. Enter a value using the number
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 ampli
-
tude 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
-
creased quickly in a 1-2-5 sequence.
q
Span Down 1-2-5 activates the span function so that the span may be re
-
duced 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.
q
Signal Standard ¾ Allows selection of the signal standard to be used. Select
from the available international standards. For more information, refer to Ap-
pendix C.
q
Select Channel ¾ Sets the channel information for the available standard
from a minimum of 0 to a maximum of 1199.
Chapter 2 Functions and Operations
2-19
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