GNR5 GNSS Reference Receiver

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GNSS Firmware Upgrade Please Read:

For updating the GNR5 receiver to 5.6, download the corresponding zip file.

Once downloaded, unzip the file and update the GNSS receiver using TRU/SRU using a two-step process. First, use the enclosed *tfi file found within the “Step 1 - B125 Linux bootloader firmware” folder.

Once finished, continue with the upgrade by using the enclosed *.tfi file within the “Step 2 - B125 GNSS firmware” folder.

Please update to the latest version of SRU (Sokkia Receiver Utility) before updating GNSS firmware in your receiver.