Keysight N9912A User Manual page 79

Tune Frequency
The Tune & Listen tuner is separate from the SA display. This allows you to listen to
one frequency while displaying a different range of frequencies.
Set the Tune Frequency using one of three methods:
1. Selecting Preset, Mode Preset, or Meas Preset sets Tune Frequency to 3.0 GHz.
2. Specify Tune Frequency:
 Press Meas Setup 4
 Then
 Enter a value using the numeric keypad, ▲|▼ arrows, or the rotary knob. Then
 3. Using Mkr->Tune Freq
 Create a normal marker at the frequency of interest. Learn how on page 147.
 Press Mkr->/Tools
 Then
Tip To improve sound quality, try increasing power by reducing the Attenuation setting
and, if available, turn ON the Preamplifier. Learn how on page 73.
Listen Time
While Tune & Listen is actively demodulating a signal, the SA does not sweep and
update the display. Listen Time sets the amount of time that the FieldFox
demodulates, then stops to perform a single sweep and update the display, then
again demodulates.
To select Listen Time:
 Press Meas Setup 4
 Then
 Enter a value using the numeric keypad, ▲|▼ arrows, or the rotary knob. Then
Volume Control
 To increase or decrease the Volume of the demodulated signal:
 Press Meas Setup 4
 Then
 Enter a value in percent between 0 and 100 (loudest) using the numeric keypad,
 Volume can also be changed and easily muted from the System menu. Learn
Demod ON and OFF
To quickly stop the audio demodulation and perform only the normal SA sweeps,
select the following:
 Press Meas Setup 4
 Then
SA (Spectrum Analyzer) Mode
Tune Freq
select a multiplier key. Learn about multiplier abbreviations on page 19.
to change the Tune Frequency to that of the marker.
Mkr->Tune Freq
Listen Time
select a multiplier key. Learn about multiplier abbreviations on page 19.
Volume
▲|▼ arrows, or the rotary knob.
more on page 171.
Demod ON OFF
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