16  N9912A FieldFox User’s Guide  
Front Panel 
ON: press momentarily.  
STAND BY: with FieldFox power ON, press briefly. 
OFF: press and hold until the FieldFox shuts off (about 4 seconds). 
Not lit: FieldFox OFF, not charging 
Green: FieldFox ON. Charging status indicated by battery icon on screen 
Orange, flashing: FieldFox STAND BY  
Orange, intensity increasing, flashing slowly: FieldFox OFF, charging 
Displays a submenu for system setup 
Includes: Freq/Dist ,  Scale/Amptd,  BW,  Sweep, Trace, Meas 
Setup,  Measure , and Mode 
Returns the analyzer to a known state 
Confirms a parameter selection or configuration 
Activates marker function 
Displays a submenu for marker functions 
Exits and closes the dialog box or clears the character input 
Saves the current trace or recalls saved data from memory 
Sets limit lines for quick Pass/Fail judgment 
Toggles between free Run and Hold/Single operation. 
Displays a submenu for calibration functions 
Increases or decreases a value or setting. 
Returns to the previous menu selection.  
Highlights an item for selection, or enables incremental changes to 
values.  
Allows selection of settings for configuring and performing 
measurements, and for other FieldFox functions. 
Transflective screen, viewable under all lighting conditions. If you are 
using your FieldFox in direct sunlight, you do not need to shield the 
display from the sunlight. In bright lighting conditions, the display is 
brighter and easier to read when you allow light to fall directly on the 
screen. Alternative color modes exist that maximize viewing in direct 
sunlight conditions, as well as other conditions such as nighttime work. 
Note: Clean the Transflective screen with gentle and minimal wiping 
using Isopropyl alcohol applied to a lint-free cloth. 
160 - Display settings 
18 - Screen Tour