Rotate the instrument 90 degrees so it faces the third footscrew. Adjust only the third footscrew to center the bubble.
Once the electronic level shows the instrument is within tolerance, check the laser plummet again. If it has drifted, loosen the tripod screw slightly, slide the instrument back over the mark, and re-verify level. 3. Navigating the Interface and Software
Use a soft, lint-free cloth or lens brush to clean optical surfaces. Never use harsh chemical solvents.
A very specific topic!
Use the tribrach footscrews to fine-tune the electronic level shown on the screen.
: Lay out points based on pre-loaded or manually entered coordinates.
I found several copies of the Leica TCR805 / TPS800-series user manual online (PDFs on Scribd and other manual sites) and support notes (e.g., Carlson Knowledge Base for TC/TC805L). I can: leica tcr805 total station user manual
For measuring directly to hard surfaces like concrete walls, rock faces, or overhead wires where access is dangerous or impossible. Prism Constants
For tracking standard prisms or reflective tape targets.
The instrument has shifted or shifted off-level due to soft ground. Rotate the instrument 90 degrees so it faces
Press the key (if mapped) or navigate to MENU > Settings > EDM Settings . Change the EDM Mode parameter:
Precise leveling is critical. Any error at the base multiplies over long distances. Step 1: Tripod Placement Extend the tripod legs to a comfortable chest height.
The Leica TCR805 belongs to the TPS800 series, and the manual contains the technical specifications for all models in the range. The table below summarizes the key specifications for the TCR805, which should be verified in your manual. If it has drifted, loosen the tripod screw