650 Keysight N9927-90001 User’s Guide
System Settings
System Configuration
Insert the USB Flash Drive in the FieldFox.
—Press System 7
—Then System Configuration
—Then Options (Licensing)
—Then Install Options The FieldFox reads, validates, then installs the options.
— Press and hold the power button to shut down, then restart the FieldFox.
How to Delete ALL Options
Deleting individual options is NOT supported.
—Press System 7
—Then System Configuration
—Then Options (Licensing)
—Then Advanced
—Then Delete All Options
After a warning message, all options on the FieldFox are deleted.
For more information about Licensing, see the FieldFox Service Manual at:
http://na.support.keysight.com/fieldfox.
GNSS (GPS+) and GPS
GPS (Global Positioning System) allows you to ‘stamp’ each data trace with
your physical position in latitude/longitude/elevation format. This can be
useful when making measurements on cell towers or other antennas at remote
locations.
— With Option 307, GPS is available with the built-in receiver accessed
through the top-panel SMA (f) connector. This connector has a 3.3 VDC
bias voltage which is switched ON when GPS is set to Internal. This system
is designed for use with an active antenna such as the Keysight
N9910X-825.
Delete All CFG Options is to be used by Service Personnel ONLY.
IMPORTANT! The FieldFox may display "Ant OPEN", even when a GPS
antenna is connected to the FieldFox. If the GPS antenna is powered by
another power supply and has a DC blocking capacitor where the feed is
connected to FieldFox, then minimal amounts of current will be drawn
from the FieldFox, so the instrument will display "Ant OPEN". The
threshold to detect the presence of an antenna is approximately 1.6 mA.
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