Security Level - Keysight N9923A FieldFox User Manual

How to use an External Reference
Connect the 10 MHz External Reference to the EXT TRIG/EXT REF BNC connector on
the FieldFox top panel. External Triggering is NOT available on the N9923A.
 Press System 7
 Then
 Then
 Then
NOTE The FieldFox may take up to 10 seconds to lock to a valid External Reference source.
When switched to Ext, if the FieldFox does NOT find an appropriate signal with which
it can lock, then
screen. This can occur when any of the following conditions exist:
 NO external reference signal is present.
 A low-level external reference signal is present.
 A very high-level external reference signal is present.
 The external reference is off-frequency.
For best results, the signal should be between –5 dBm and +5 dBm.

Security Level

For security reasons, you can prevent frequency information from appearing on the
FieldFox while in NA or CAT modes.
How to set Security Level
 Press System 7
 Then
 Then
 Then choose from the following:
System Settings
System Configuration
Frequency Ref
Freq Ref Source Int Ext
Ext Ref UNLOCKED
System Configuration
Security Level
All frequency settings are visible.
None
o
Frequency information is blanked from the following:
High
o
Display annotation
o
Softkeys
o
Marker display and marker table
o
Calibration properties
o
All settings tables
o
Limit line tables
o
All saved .png files
o
Any of the following will re-display frequency information:
o
Set to None, Preset, Mode Preset, or FieldFox restart.
o
is displayed in the lower-left corner of the
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