Agilent Technologies E7474A Getting Started Manual page 39

Setting Up Your System
Receiver-Based System Setup
NOTE If you need to change the GPS coordinate datum, select the tab of
Advanced
GPS hardware configuration box. The default datum can be set using the
and selecting the Default Datum tab.
Tools > Options
Please contact DCI for information about getting a subscription to activate
your differential GPS. When it is activated, it will be ready to work with the
Agilent Technologies system.
Agilent Wireless Solutions 43