SMAJAYU SMA26 Pro GNSS Base Receiver RTK Surveying System User Manual

1. Introduction

The SMAJAYU SMA26 Pro GNSS Base Receiver is a high-precision RTK surveying system designed for various applications including land, construction, and forestry surveys. This robust device offers wide protocol compatibility, high capability, and integrated features for versatile and accurate performance.

• Wide Protocol Compatibility: Receives and transmits signals compatible with CSS (Lora), Transparent, TT450S, Trimtalk, TRMMARK3, SOUTH, and SATEL standard radio protocols.
• High Capability & Compatibility: Full-constellation 4G RTK GNSS receiver compatible with multiple RTK brands, supporting PPP, PPK, and RTK technologies.
• Tilt Compensation: Achieves tilt accuracy up to 2.5 cm (at tilt angles ≤30°) without calibration, supporting a maximum tilt measurement angle of up to 60°.
• All-in-One Integration: Features built-in Bluetooth, UHF radio, 4G, Wi-Fi, IMU, antenna, and 32GB storage. Easily switches between base station and rover modes.
• Rugged & Reliable: IP67 waterproof and dustproof rating, 2-meter drop resistance, and operates in temperatures from -45℃ to +75℃. Equipped with a 10000mAh battery for up to 20 hours of continuous operation.

2. What's in the Box

The SMA26 Pro Base Receiver package includes the following components:

• 1x GNSS Receiver
• 1x Extension Rod
• 1x Power Adapter + USB Cable
• 1x User Manual
• 1x Tape Measure
• 1x Terminal Antenna
• 1x Disc

Image: Contents of the SMA26 Pro Base Receiver package, including the GNSS receiver, extension rod, power adapter, USB cable, user manual, tape measure, terminal antenna, and disc.

3. Setup

Proper setup of the SMA26 Pro Base Receiver is crucial for accurate measurements. Ensure the base station is placed in an unobstructed area to maximize signal reception and stability.

3.1 Base Station Placement

Set up the base station on a stable tripod in a location with a clear view of the sky, free from obstructions like tall buildings or dense foliage. This ensures optimal satellite signal acquisition.

3.2 Connecting the Components

Attach the GNSS receiver to the extension rod and secure it. Connect the terminal antenna to the designated port on the receiver. Power on the device using the provided power adapter.

4. Operating Instructions

The SMA26 Pro offers various operating modes and connectivity options for diverse surveying tasks.

4.1 Device Overview

Image: Detailed view of the SMA26 Pro GNSS Receiver's front panel buttons and indicator lights, along with its various interfaces including anti-dust plugs, fixed thread, UHF radio antenna, and Type-C connector with SIM slot.

4.2 Connectivity

The receiver supports 4G, Wi-Fi, and Bluetooth connectivity for seamless data transfer and communication.

Image: The SMA26 Pro GNSS Receiver highlighting its 10000mAh large capacity battery, all-terrain connectivity, and Smart Web Platform (WEBUI).

4.3 Drone Connection

The SMA26 Pro can be connected to drones for advanced surveying applications. Follow these steps:

1. Connect SMA26 Pro via Bluetooth, switch to base station mode, and select the Device Internet data link.
2. Pair the remote controller with the UAV.
3. Connect the remote controller to SMA26 Pro Wi-Fi and enter the password 12345678.
4. Configure NTRIP protocol parameters on the UAV.
5. Display fixed solution, indicating a successful connection.

Image: A diagram illustrating the five steps to connect the SMA26 Pro GNSS receiver to a drone for surveying operations.

4.4 Measurement Modes

The SMA26 Pro supports various surveying modes to suit different project requirements:

Image: An overview of the SMA26 Pro RTK Surveying Modes, including Static Surveying, RTK Surveying (Rover+Base), CORS Network Integration, SMA26 Rover+Base PPK, and SMA26 Rover PPP, with descriptions and advantages for each mode.

• Static Surveying: For high-precision data collection and control point establishment.
• RTK Surveying (Rover+Base): Provides real-time sub-centimeter level accuracy for dynamic surveying tasks.
• CORS Network Integration: Connects to Continuously Operating Reference Stations for cost-effective and efficient large-area surveys.
• SMA26 Rover+Base PPK: Combines static and PPK for maximum precision, ideal for areas with poor RTK signal.
• SMA26 Rover PPP: Utilizes Precise Point Positioning with Galileo HAS corrections for centimeter accuracy without a base station.

4.5 Tilt Measurement

The integrated IMU allows for precise tilt measurements, enabling data collection in hard-to-reach areas.

Image: Illustrates the high-precision tilt surveying capability of the SMA26 Pro, showing a user performing measurements with up to 60° tilt, 2.5cm accuracy, 5s fast initialization, and 2m drop resistance.

4.6 Data Management

The SMA26 Pro supports efficient data import and export operations.

5. Maintenance

To ensure the longevity and optimal performance of your SMA26 Pro GNSS Base Receiver, follow these maintenance guidelines:

• Cleaning: Regularly clean the device with a soft, damp cloth. Avoid abrasive cleaners or solvents.
• Storage: Store the receiver in its protective case in a cool, dry place when not in use.
• Battery Care: Charge the 10000mAh battery regularly, even during periods of non-use, to maintain battery health. Avoid fully discharging the battery for extended periods.
• Firmware Updates: Periodically check for and install firmware updates to ensure the device has the latest features and performance improvements.

6. Troubleshooting

If you encounter issues with your SMA26 Pro, refer to the following common troubleshooting tips:

• No Power: Ensure the battery is charged and the power button is pressed and held for 2 seconds.
• Connectivity Issues: Check Bluetooth, Wi-Fi, or 4G settings. Ensure devices are within range and correctly paired.
• Poor Accuracy: Verify the base station is set up in an open area with a clear view of the sky. Check for any obstructions or strong electromagnetic interference.
• No RTK Fix: Confirm that the base station is transmitting corrections and the rover is receiving them. Check NTRIP settings if applicable.

7. Specifications

8. Warranty and Support

The SMA26 Pro GNSS Base Receiver comes with a 1-year warranty from the manufacturer, SMAJAYU.

For technical support, troubleshooting assistance, or warranty claims, please contact SMAJAYU customer service. Refer to the contact information provided in your user manual or visit the official SMAJAYU website.

Return Policy: This product is eligible for a 30-day return/replacement policy from the date of purchase.