Support resources for Altus NR3 Firmware 1.4.1 upgrade notice The upgrade to the Altus NR3 1.4.1 firmware can be done using the Web Interface over USB or WiFi. Using RxTools (RxControl or RxUpgrade) to upgrade the 1.4.1 will fail. Control Software SurvCE PinPoint-GIS App End Of Life Notification 2022-09-30 Altus NR3 167.76 KB Download Altus NR3 Firmware v1.4.2 Release Notes 85.62 KB Download Altus NR3 Firmware Package v1.4.2 58.17 MB Download Altus NR3 Firmware v1.4.2 Reference Guide 1.82 MB Download Altus NR3 Quick Start Guide 1.74 MB Download Altus NR3 Application Note SurvCE 1011.06 KB Download Differences between Altus NR2 and Altus NR3 130.21 KB Download Altus NR3 User Manual v1.5 8.78 MB Download 3D drawing 18.26 MB Download RxTools extensive support tool suite for GNSS receivers Download Product certificates Download Leave this field blank