GEOSUN eFix R1 - User Manual

Questions and Answers

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Rebecca GarciaAug 2, 2025
What to do if GEOSUN eFix R1 GPS GPRS/3G dial-up fails?
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  Mark WolfeAug 3, 2025
  If the GPRS/3G dial-up fails on your GEOSUN GPS, several factors could be responsible. First, ensure the SIM card is properly inserted; carefully remove and re-insert it into the card slot. Second, the SIM card may need to be topped up, or the GPRS/3G internet service may not be active, so contact your operator to resolve this. A weak local network signal could also be the cause; try moving to an area with a stronger signal. In areas with very weak GPRS/3G signals, consider switching to radio communication. Finally, electromagnetic interference from sources like television towers or high-voltage lines can disrupt the signal; move away from such areas.
J
Jessica GoodwinAug 10, 2025
Why is my GEOSUN GPS satellite signal poor?
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  Donald MonroeAug 10, 2025
  A poor satellite signal on your GEOSUN GPS can occur if you are in a location that obstructs the signal. This includes being in a tunnel, under a viaduct, or near large bodies of water. To improve the signal, change your location.
E
Eric PerezAug 17, 2025
What to do if my GEOSUN GPS cannot charge the battery?
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  Danielle BrownAug 17, 2025
  If your GEOSUN GPS cannot charge, it might be due to temperature issues. If the internal temperature of the receiver mainframe exceeds 65?, temporarily turn off the receiver and recharge it when the temperature drops to the allowed range. Keep the device away from heat sources like sunshine, as it will automatically start charging when the temperature is within the correct range. Also, if the internal temperature falls below -45?, move the receiver indoors to bring the temperature back above -45?, after that charging should be possible.
S
Shelly RothAug 25, 2025
How to fix GEOSUN eFix R1 that can’t turn on?
- N
  Nicholas MorganAug 26, 2025
  If your GEOSUN GPS won’t turn on, it could be due to a very low battery; in that case, recharge the battery. Another reason might be that the working temperature is outside the range of -45? to 65?; move the device to an environment where the temperature is within this allowed range.

Summary

Overview

eFix R1 Overview

General introduction to the eFix R1 GNSS RTK system.

Function Features

Key functionalities and capabilities of the eFix R1.

Technical Specifications

Detailed technical parameters and specifications of the eFix R1.

Notes and Reminding Items

Important notes and reminders for safe and effective usage.

eFix R1 Introduction

Front View

Visual description of the device's front panel and its components.

Control Panel

Details of the device's control interface, buttons, and indicators.

Lower Cover

Description of the device's lower part and its various ports.

Radio Module

Information regarding the built-in and external radio modules for communication.

Battery

Details about the device's dual-battery system and installation.

Main Accessories

Overview and images of the essential accessories included with the device.

eFix R1 Base Standard Configuration List

List of standard accessories for the eFix R1 base unit configuration.

eFix R1 Rover Standard Configuration List

List of standard accessories for the eFix R1 rover unit configuration.

gPad Control Configuration List (Optional)

List of optional accessories for the gPad controller.

eFix R1 Operations

Power On and Power Off

Instructions for correctly turning the eFix R1 device on and off.

Power Management

Information on managing the device's battery life and power status.

Radio Module Installing

Detailed steps for installing the radio module into the device.

SIM Card Installing

Instructions for properly installing the SIM card into the device.

Audio Broadcast

Explanation of the device's audio broadcast feature for operational feedback.

Register

Information and procedures related to registering the eFix R1 receiver.

Controller Connecting (standard GeoRef K2)

GeoRef K2 Controller Connecting

Steps for establishing a connection between the eFix R1 and GeoRef K2 controller.

Common Troubleshooting

eFix R1 Common Troubleshooting

Solutions for common issues encountered with the eFix R1 receiver.

Appendix: External Radio Instructions

PDL Radio Features

Key features and capabilities of the PDL external radio module.

Transmitting Radio Introduction

Overview of the transmitting radio module, its functions, and indicators.

Receiving Radio Introduction

Overview of the receiving radio module, its functions, and default settings.

Factory Default Frequency Table

Default frequency assignments for external transmitting radio channels.

Notices for Radio Usage

Important notes and precautions for safe and effective radio usage.

Contact Us

GEOSUN eFix R1 Specifications

General

Tilt Sensor	Yes
IMU	Yes
Waterproof/Dustproof	IP67
Static Accuracy (RMS)	H: 2.5mm + 0.5ppm, V: 5mm + 0.5ppm
Data Format	CMR, CMR+, NMEA-0183
Communication	Bluetooth, Wi-Fi, 4G LTE (optional)
Frequency	L1, L2, L5
Signal Tracking	GPS, GLONASS, Galileo, BeiDou, QZSS, SBAS
GNSS Accuracy (RMS)	Horizontal: 8mm + 1ppm, Vertical: 15mm + 1ppm
Battery Life	Up to 10 hours