LINK TO TRIMBLE 2017 MANUAL
https://help.trimblegeospatial.com/TALegacy/Help%20Files/2017_20_Help/English/General%20Survey%20Help%20v2017.20.pdf
AND HERE’S A LINK TO THE ROOT DIRECTORY OF THEIR HELP MANUALS
https://apps.trimbleaccess.com/help/en/TrimbleAccess=2017.21