User`s guide

98 N9320A Spectrum Analyzer
4 Key Reference
All Off Turns off all markers, including markers used for signal
track, and marker annotations.
Key access:
Function Accesses the marker function softkeys listed below.
Key access:
Marker
Freq
Counter
Accesses the frequency counter function.
Key access:
> Function
Freq Counter
On Off
Toggles the frequency counter
function on and off.
Key access:
> Function > Freq Count
Resolution
Auto Man
Toggles the frequency counter
resolution from manual to
auto- couple. The allowed values are
0.1, 1, 10, 100 Hz and 1 kHz. Pressing
Auto auto- couples frequency counter
resolution to the span.
Key access:
> Function > Freq Count
Marker
Marker
Marker
Marker
NOTE
The ratio of the resolution bandwidth to span must be greater than
0.02 for proper frequency counter function. The frequency counter will
work correctly only on CW signals or discrete peaks. For an accurate
reading, the marker must be >40 dB above the noise.
Phase
Noise
Accesses the phase noise function softkeys.
Key access:
> Function
Phase Noise
On Off
Toggles the phase noise function on
and off.
Key access:
> Function > Phase Noise
Offset
Manual
Manually sets the offset of the marker
to measure phase noise.
Key access:
> Function > Phase Noise
Offset Sets the offset to +
1, +10, +20, +30, +50,
+
100 kHz or +1 MHz.
Key access:
> Function > Phase Noise
Marker
Marker
Marker
Marker