Agilent Technologies E7474A Getting Started Manual page 26

Setting Up Your System
Connecting the Hardware
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NOTES
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Agilent Wireless Solutions
Agilent Technologies suggests that you verify that the GPS is working
properly before you connect it to the Agilent Wireless Solutions system.
The Trimble Placer DR, Trimble Placer GPS 400, and SVeeSix Plus DO
NOT have battery backup. If the DC power supply is removed (without
external lithium battery backup), these GPS receivers will lose their
settings after 15 minutes, which causes them to re-set to their default
values.
If the Trimble GPS has no battery backup connected, when the Trimble
GPS receiver is turned on again, it will be set to the defaults. You will
have to wait some time until the Trimble GPS receiver is locked and
tracking the satellites before the correct coordinates are shown.
Otherwise, the Trimble GPS receiver will see (by design) the Santa Clara,
CA, coordinates. If this happens, allow some time (up to 30 minutes)
before doing the actual network test, to ensure the correct coordinates are
acquired.
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