NAV-900 Guidance Controller Installation Instructions | 7
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Introduction
► Basic system diagram
► Required components for mounting
► Optional accessories for mounting
► Ag-820 radio system
► Preparing the vehicle for installation
► Te c h n i c a l a s s i s t a n c e
This manual describes how to install the Trimble® NAV-900 guidance controller.
Even if you have used another GNSS (Global Navigation Satellite System), such as the United States'
GPS (Global Positioning System), before, spend some time reading this manual to learn about the
special features of this product. If you are not familiar with GNSS, go to the Trimble website
(www.trimble.com) for an interactive look at Trimble and GNSS.
The NAV-900 guidance controller is a GNSS receiver with an integrated Inertial Measuring Device (IMD)
and auto-guidance controller:
It has three ports on the back:
• 4-pin, D code – Power/Communication (display) 1
• Deutsch, 12-pin DTM – Main interface port 2
• 5-pin, A code – RTK Radio connection 3