248 Keysight N9938-90003 User’s Guide
System Settings
System Configuration
—Ant: OK – antenna present and working.
—Ant: OPEN – antenna is not drawing DC bias current. This could occur when
an active antenna is not connected properly or the antenna does not require
DC bias current. Antennas that do not require bias current can still provide
an accurate GPS reading.
—Ant: SHORT – antenna center pin has been shorted to ground. The internal
bias circuitry is disabled for about one minute, then re-enabled. You can
also press GPS OFF
, then GPS Internal to quickly re-enable the antenna
bias.
More GNSS and GPS settings
See also, “GNSS and GPS Freq Ref Source Settings” on page 250.
—Press System 7
—Then System Configuration
—Then GNSS (GPS+) or GPS (depending on options) > GNSS Settings
— Then choose from the following:
— Enable and disable the synchronization of the FieldFox internal clock to the
GPS UTC time standard.
— ON The FieldFox clock is synchronized and updated approximately
once every hour to the time of the GPS clock.
— OFF
The FieldFox clock is NOT synchronized with GPS. When set to
OFF after Sync was ON, the date and time does NOT revert back to
the settings before the clock was synchronized.
— Display ON OFF
Enables or disables displaying Lat/Lon Format and
Elevation Units.
— Lat/Lon Format
Change the format of the GPS display on the FieldFox
screen. Choose from:
— ddd°mm’ ss.sss”
degrees, minutes, seconds (default setting)
— ddd°mm.mmmmm’
degrees, minutes, fractional minutes
— ddd.ddddddd°
decimal degrees
— None
Lat/Lon is not displayed.
— Elevation Unit
Choose from:
— m
(Meters)
— Feet
The GPS Sync setting has the same restrictions as the Date and Time
setting. Learn more in “Date and Time” on page 236.
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