106  FieldFox User’s Guide  
How to use Audio Beep 
  Press Marker 
  Optionally, press Marker 1 2 3 4 5 6 to select an existing marker to use with 
Audio Beep. A marker will be created if one does not already exist.  
  Then More 
  Then Marker Function  
  Then Audio Beep ON OFF 
Audio Beep does NOT beep when the FieldFox is in Hold mode. 
While Audio Beep is ON, press Marker 1 2 3 4 5 6 to toggle Audio Beep through 
the existing markers. 
To set FieldFox speaker volume control, press System, then Volume. Learn 
more on page 173. 
Meas UNCAL Error 
Meas UNCAL appears in the lower-left corner of the screen when the FieldFox 
can 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: 
  When the ResBW/VBW ratio exceeds 10,000, causing the VBW filter to reach 
the maximum capacity for averaging. 
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 75. 
Channel Measurements 
The following Channel Measurements are offered in SA Mode: 
Channel Power ..................................................... 107 
Occupied Bandwidth ........................................... 109 
Adjacent Channel Power Ratio ......................... 110 
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 78. 
When you first select a Radio Standard, then select a Channel Measurement: