SA (Spectrum Analyzer) Mode 89
Then Source
Source Enable ON OFF
o ON Turns ON the internal source.
o OFF Turns OFF the internal source.
Source Mode Choose from the following:
o Tracking The internal source sweeps simultaneously (tracks) with the SA
receiver over the displayed frequency range, emulating NA mode
measurements. Src is annotated on the screen.
o CW The source is set to a CW frequency independent from the SA setting.
Srcw is annotated on the screen.
o Coupled CW The source is set to a CW frequency, but that frequency
“tracks” the SA receiver Center Frequency setting. Therefore, the signal
always appears at center of the display. Srcp is annotated on the screen.
Normalize ON OFF With Source Enable ON and Source Mode = Tracking,
Normalize ON stores the current measurement trace into Trace 4 in View state
as a reference trace. All subsequent trace measurements subtract this Trace 4
reference trace, and therefore become relative to it. SrcN is annotated on the
screen. Normalize is automatically turned OFF when the frequency range or
Resolution is changed. Learn more about Trace Display States on page 99.
Source Power Sets the source power level. Choose from:
o Leveled Enter a value from -45 dBm to 0 dBm using the numeric keypad,
▲|▼ arrows, or the rotary knob. The source power is reasonably flat across
the frequency span.
o MAX The power level is set to the maximum achievable power level at each
frequency. This results in the power level NOT being flat across the
frequency span.
Source CW Freq Sets the CW frequency that is used when Source Mode is set
to CW.
NOTE By default, the source output will turn off momentarily at the end of each SA
sweep and every thirty seconds for InstAlign.
To cause the source to stay ON at the end of each sweep, turn battery saver OFF.
(Learn about Battery Saver on page 177.)
Press System 7
Then Preferences
Then Battery Saver OFF
To suspend InstAlign: (Learn about InstAlign on page 100.)
Press Cal 5
Then Amptd Alignment OFF
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