246 Keysight N9938-90003 User’s Guide
System Settings
System Configuration
— Without Option 307, GPS is usable ONLY with an external GPS receiver that
is shipped with Microsoft “Streets and Trips” and “AutoRoute”. The GPS
receiver is NOT available from Keysight. Only the GPS USB receiver is used
with the FieldFox. Therefore, it is NOT necessary to purchase the very latest
version of the map software.
How to make GPS settings
GPS settings are the same with, or without, Option 307.
— Your GPS settings can be saved with Preferences. Learn more in “Quick
Settings Table” on page 230.
—Press System 7
—Then System Configuration
—Then GPS or GNSS (GPS+) – depending on options
— Then choose from the following:
— Display ON OFF
Enable and disable the GPS display on the FieldFox main
window.
— GPS
— OFF
- Disable GPS (default setting).
— External
- Enable GPS using an external, customer-supplied, USB
dongle device. A check is made to detect a USB GPS device at the
USB connectors.
— Internal
- Enable GPS using Option 307 – Built-in GPS. Connect a
GPS antenna to the top-panel GPS connector. Learn more about
additional GPS antenna accessories at
http://www.keysight.com/find/fieldfox. Internal is set automatically
when Frequency Reference Source is set to GPS. Learn more in
“Frequency Reference Source” on page 250.
When Internal or External is selected, a search is made for satellites overhead.
GPS works best when outdoors and in full view of the open sky. When several
satellites are found, the following screen appears (when Display is set to ON)
and is updated frequently:
As the bar graph count exceeds 9 bars, the “dB” text is dropped from the
number displayed on the bar. Units for C/No are dBHz.
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