Trimble GNSS Knowledge Base
Trimble GNSS Knowledge Base
Step-by-step guides, setup workflows, and troubleshooting references — written by technicians who repair, test, and sell Trimble equipment every day.
Browse by receiver model
Featured guides
Trimble SiteWorks — Base & Rover Connection Guide
Complete field workflow: base station setup, Bluetooth pairing, rover connection, site calibration, and VRS/Network corrections. Includes 14-issue troubleshooting table.
○ WebUI AccessTrimble R750 — WebUI Connection Guide
How to access the R750 built-in web interface via Wi-Fi hotspot or Ethernet direct cable. Covers firmware v6.43+ password change, static IP setup, and login credentials.
○ WebUI AccessTrimble R780 — WebUI Connection Guide
Step-by-step access to the R780 WebUI over Wi-Fi or Ethernet cable. Includes firmware v6.43+ serial number password note, quick-reference tables, and troubleshooting.
△ TroubleshootingRTK Fix Troubleshooting — Float, Autonomous & No Corrections
Why your rover won't reach Fixed, what Float really means, and the fastest path to a locked RTK solution in the field. Radio, internet, and VRS scenarios covered.
↗ FirmwareWinFlash Firmware Update Guide — R750 / R780 / SPS986
How to connect, load firmware files, and flash your Trimble receiver using WinFlash over Ethernet or USB. Includes the Insert key trick and common errors.
∿ Radio ConfigurationLoad a .SET Radio Frequency File with WinFlash
Connect over USB/LEMO, run Configure radio settings, and use Update Freq. to load a .SET channel file into a Trimble R-series or SPS986 receiver. Step-by-step with screenshots.
⇄ ComparisonR12i vs SPS986 — Which Receiver Is Right for Your Job?
Side-by-side feature, hardware, and use-case comparison between two of Trimble's most popular smart antennas for construction and machine control.
Common issues & fixes
Bluetooth Pairing Issues — Receiver Not Found or Keeps Dropping
Fixes for TSC7, TSC5, and Android data collectors that can't find or stay connected to a Trimble GNSS receiver via Bluetooth.
▶ Setup WorkflowAntenna Height — How to Measure It Correctly Every Time
Vertical vs slope height, quick-release offsets, base station measurement method, and what happens when you get it wrong. The #1 source of elevation errors in the field.
▶ Setup WorkflowSite Calibration in SiteWorks — Step by Step
How to perform a proper site calibration, what residuals to expect, and why you can never go back once you tap FINISH. Base station and VRS methods.
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