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