The Leica TCR805 Total Station is a cornerstone of the Leica TPS800 series, known for its precision, durability, and user-friendly interface. Whether you are a seasoned surveyor or a student, understanding how to operate this instrument effectively is crucial for accurate data collection. This guide serves as a comprehensive overview of the Leica TCR805 workflow, covering everything from initial setup to data export. Understanding the Leica TCR805 Interface
The TCR805 features a clear, monochrome display and an alphanumeric keyboard. The interface is menu-driven, allowing users to navigate through various functions using the arrow keys and function buttons (F1-F4).
The "Measure" screen is your primary workspace. Here, you can view horizontal angles, vertical angles, and slope distances. The function keys at the bottom of the screen change depending on the active menu, providing quick access to distance measurements (DIST), data recording (REC), and electronic leveling tools. Initial Instrument Setup and Leveling
Precision begins with a stable setup. Follow these steps to ensure your instrument is ready for work:
Extend the tripod legs to a comfortable height and ensure the tripod head is roughly level.
Secure the TCR805 onto the tripod head using the centering screw.
Use the circular bubble level on the tribrach for initial leveling by adjusting the tripod legs.
Turn on the instrument and use the electronic level (digitized bubble) for fine leveling. Adjust the tribrach footscrews until the tilt error is within acceptable limits (usually less than 5 seconds).
If you are setting up over a specific point, use the laser plummet to align the instrument exactly over the ground mark. Setting the Job and Station leica tcr805 total station user manual work
Before taking measurements, you must define where the data will be stored and where the instrument is located in space. Navigate to the "Programs" menu and select "Setup."
Create a new "Job" or select an existing one to store your points.
Select "Set Station" to input the coordinates (X, Y, Z) and instrument height of your current location. If you are working on a local grid, you can start with arbitrary coordinates like 1000, 1000, 100.
Perform a "Backsight" measurement. This involves sighting a known point or setting an orientation angle (Azimuth) to establish the direction of the coordinate system. Measurement Modes: IR vs. RL
One of the standout features of the TCR805 is its Reflectorless (RL) capability.
Reflector Mode (IR): Used with standard prisms. This provides the highest accuracy and longest range. It is ideal for boundary surveys and high-precision construction layout.Reflectorless Mode (RL): Allows you to measure distances to almost any surface (walls, power lines, cliffs) without a prism. This is a game-changer for measuring inaccessible points or increasing speed on a busy site.
To switch between modes, use the "EDM Settings" menu. Always ensure the correct "Prism Constant" is entered when using reflectors to avoid systematic errors. Common Surveying Workflows
The TCR805 is equipped with several onboard software programs to streamline common tasks: Data Management and Export The Leica TCR805 Total Station is a cornerstone
Data is stored internally on the instrument's memory. Once your field work is complete, you will need to transfer this data to a computer for processing in CAD or surveying software.
The TCR805 typically uses a serial connection (RS232) or a specialized Leica USB data cable. Using software like Leica Geo Office (LGO) or Leica Infinity, you can "Download" the job file. Common export formats include GSI, DXF, and CSV. Maintenance and Calibration
To maintain the TCR805’s accuracy, regular maintenance is required. Always store the instrument in its hard case when not in use. Avoid exposing it to extreme temperature fluctuations or moisture.
Periodically perform a "Check and Adjust" routine, which is an onboard program that guides you through calibrating the horizontal collimation and tilting axis inclination. If the instrument suffers a significant bump or drop, it should be sent to a certified Leica service center for professional calibration.
Keywords: Leica TCR805 total station user manual work, surveying setup, EDM calibration, data recording
In the world of construction surveying, precision is not just a goal—it is the foundation. Among the instruments that have earned a reputation for reliability and accuracy is the Leica TCR805 Power Reflectorless Total Station. However, owning this powerful tool is only half the battle. The true mastery lies in understanding its operation through diligent Leica TCR805 total station user manual work.
Whether you are a seasoned surveyor revisiting forgotten functions or a student encountering this instrument for the first time, this guide acts as a companion to the official user manual. We will break down the essential workflows, hidden features, and practical applications that transform the TCR805 from a piece of equipment into an extension of your professional expertise.
PROGRAM RepeatAngle
INPUT "Number of repeats: " , N
FOR I = 1 TO N
MEASURE ANGLE H
ADD TO SUM H
NEXT I
PRINT "Mean angle: " , SUM / N
END
This is used for precise traversing. The manual provides the full syntax. Cause: Prism is too small
The TCR805 is not a "point-and-shoot" device. It is a sophisticated piece of optical-electronic engineering. The official user manual spans hundreds of pages, covering everything from basic leveling to advanced coordinate geometry (COGO) routines. Skipping the manual work leads to common errors: misinterpreting EDM errors, losing data during transfer, or damaging the vertical axis.
User manual work refers to the disciplined process of:
Ignoring these steps results in wasted time on site and unreliable data. Let’s dive into the core components of the TCR805 that every user must master.
The TCR805 interface is menu-driven. Without studying the Leica TCR805 total station user manual work on key mapping, you will get lost. Here is the logic behind the keypad:
| Key | Function | Manual Note | | :--- | :--- | :--- | | ON/OFF | Power | Press and hold for 2 seconds. | | MENU | Access main functions (COGO, Stakeout, Transfer) | This is your home base. | | USER | Programmable hot key | By default, it toggles reflectorless mode. | | SHIFT | Unlocks secondary soft key functions | The LCD shows "SHIFT" when active. | | F1-F4 | Contextual soft keys | Their function changes per screen. |
| Old (dense tables) | New (user‑friendly) | |--------------------|----------------------| | Technical specs | Compare table: TCR805 vs 803 / 407 | | RS232 pinout | Diagram + ready‑made cable part numbers | | Error list | Sorted by frequency of occurrence (field data from Leica support) |
PROG > Survey > Set Orientation.ALL (All measure).SET to lock.Manual Warning: Always check by sighting a third known point. Measure the distance. If the error is >0.02 m + (5 ppm × distance), redo your setup.
CONFIG > EDM > Measure Mode from "Standard" to "Long" or "Precise."