SA (Spectrum Analyzer) Mode  73 
  Then Radio Standard 
  Then Import Radio Standards 
  Then select the *.csv file using the ▲|▼ arrows or rotary knob and press 
Enter.  
  Custom Radio Standards can be removed from the FieldFox by selecting 
Measure 1 then Radio Standard then Delete Radio Standard.  
  Then select the *.csv file to delete using the ▲|▼ arrows or rotary knob and 
press Enter.  
Note:  To overwrite a custom standard that is already uploaded to the FieldFox, you 
must first delete the *.csv file from the FieldFox, then re-upload the file that 
contains the standard. A predefined internal standard (such as GSM 450) can 
NOT be deleted from the FieldFox. 
Channel Selection 
After a Radio Standard has been selected, the frequency range can be changed by 
selecting channel numbers rather than frequency. Once enabled, the channel 
number is appended to the X-axis frequency range. 
How to enable Channel selection 
  Press Freq/Dist 
  Then More  
  Then Unit Freq Chan  
How to change the Channel Number of the measurement 
With Unit = Chan the FieldFox will NOT allow you to specify channels outside of 
the selected Radio Standard.  
  Press Freq/Dist 
  Then choose from the following: 
o  Center Channel Places the center frequency of the specified channel in the 
middle of the X-axis.  
o  Start Channel Places the lowest frequency of the specified channel at the 
beginning of the X-axis.  
o  Stop Channel Places the highest frequency of the specified channel at the 
end of the X-axis. 
o  Freq Span Changes the span of frequencies while the center frequency 
remains unchanged. 
o  Follow each of the above settings by entering a value using the numeric 
keypad or the rotary knob.  
o  Use the ▲|▼ arrows to increment the channel number by an amount 
specified by the Channel Step value (see below). 
o  Then press Enter.