Channel Measurements - Keysight N9912A User Manual

 Then
 Then
Audio Beep does NOT beep when the FieldFox is in Hold mode.
While Audio Beep is ON, press
existing markers.
To set FieldFox speaker volume control, press System, then Volume. Learn more
on page 171.
Meas UNCAL Error
Meas UNCAL
NOT display accurate measurement results with the current settings. Usually, the
part of the trace that is inaccurate is shown at –200 dB.
The following situation can produce Meas UNCAL:
 In Zerospan, when Sweep Time is set too high for the current Res BW. Lower the
 When the ResBW/VBW ratio exceeds 10,000, causing the VBW filter to reach the
Old Data Indicator (*)
In SA mode, when the current trace does not exactly match the annotation that is on
the screen, an asterisk is displayed in the upper-right corner of the screen graticule
area. This would occur, for example, when the Res BW setting is changed while in
sweep Hold mode. The annotation is changed immediately, but the trace is not
updated until the next sweep occurs. Therefore, the current data trace does not
match the screen annotation. See the asterisk on page 67.

Channel Measurements

The following Channel Measurements are offered in SA Mode:
Channel Power ...................................................... 94
Occupied Bandwidth ............................................ 96
Adjacent Channel Power Ratio ............................. 97
The following four sections (Radio Standards and Channel Measurements,
Measurement Preset, Averaging, and Traces) are relevant for ALL Channel
Measurements.
Radio Standards and Channel Measurements
To tune the frequency range of any of the Channel Measurements using channels
instead of frequency, first select a Radio Standard, then select Units = CHAN. Learn
how to select a Radio Standard and channels on page 70.
When you first select a Radio Standard, then select a Channel Measurement:
 With Units = FREQ selected, the center frequency and span will ALWAYS change
 With Units = CHAN selected, the FieldFox chooses either the uplink or downlink
SA (Spectrum Analyzer) Mode
Marker Function
Audio Beep ON OFF
appears in the lower-left corner of the screen when the FieldFox can
Res BW or the Sweep Time setting.
maximum capacity for averaging.
to the full frequency range of that standard (Uplink and Downlink) to allow for a
quick scan of energy. The X-axis annotation indicates the frequency range.
band, and displays that range of frequencies. You can then tune within that
Standard using Start CHAN, Stop CHAN, or Center CHAN. The X-axis annotation
indicates the frequency range.
to toggle Audio Beep through the
Marker 1 2 3 4 5 6
93