eGPS Solutions 20T Manual de usuario
eGPS 20T GNSS Receiver
Quick Start Guide
Copyright
Copyright 2021 eGPS Solutions, Inc. | All rights reserved.
Trademarks
All product and brand names mentioned in this publication
are trademarks of their respective holders.
Safety Warnings
The Global Positioning System (GPS) is operated by the
U.S. Government, which is solely responsible for the
accuracy and maintenance of the GPS network. Accuracy
can also be affected by poor satellite geometry and
obstructions, like buildings and heavy canopies.
FCC Interference Statement
This equipment has been designed to comply with the
limits for a Class B digital device, pursuant to part 15 of the
FCC Rules in Portable Mode. These limits are designed to
provide reasonable protection against harmful interference
in a residential installation.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference and
(2) this device must accept any interference received,
including interference that may cause undesired operation.
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Table of Contents
1. Introduction
1.1. Safety Information
1.1.1. Warnings and Cautions........................
1.1.2. Regulations and Safety........................
1.1.3. Use and Care.......................................
1.2. Technical Support..............................................
1.3. Disclaimer..........................................................
1.4. Your Comments.................................................
2. Getting Started with the eGPS 20T
2.1. About the Receiver............................................
2.2. Parts of the Receiver
2.2.1. Front Panel...........................................
2.2.2. Lower Housing.....................................
2.2.3. Receiver Ports......................................
2.3. Batteries and Power
2.3.1. Internal Batteries
2.3.1.1. Charging the Batteries..........
2.3.1.2. Battery Safety........................
2.3.2. External Power Supply........................
2.4. Inserting Batteries and SIM Card......................
2.5. Product with Accessories..................................
2.6. Connecting to an Office Computer...................
2.7. X-PAD Project Setup.........................................
2.8. X-PAD Network Rover.......................................
2.9. X-PAD Radio Base.............................................
2.10. X-PAD Radio Rover..........................................
2.11. X-PAD Static....................................................
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3. Communication Ports Definition
3.1. eGPS 20T Receiver I/O Port (7-Pin Lemo
Port) Definition..................................................
4. Contact Information.....................................................
5. Warranty Terms............................................................
6. 20T Specifications.........................................................
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1. Introduction
The eGPS 20T GNSS Receiver Quick Start Guide describes
how to set up and use the eGPS 20T GNSS receiver.
“The receiver” refers to the eGPS 20T GNSS receiver unless
otherwise stated.
Even if you have used other Global Navigation Satellite
Systems (GNSS) products before, eGPS Solutions
recommends that you spend some time reading this manual
to learn about the special features of this product.
1.1. Safety Information
1.1.1. Warnings and Cautions
An absence of specific alerts does not mean that there are
no safety risks involved.
Warning or Caution information is intended to minimize the
risk of personal injury and/or damage to the equipment.
WARNING - A Warning alerts you to a potential
misuse or wrong setting of the equipment.
CAUTION - A Caution alerts you to a possible risk of
serious injury to your person and/or damage to the
equipment.
1.1.2. Regulations and Safety
The receivers contain a built-in wireless modem for signal
communication through Bluetooth®wireless technology or
through an external communication datalink. Regulations
regarding the use of the wireless modem vary greatly from
country to country. In some countries, the unit can be used
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without obtaining an end-user license. However, in some
countries, administrative permissions are required. For
license information, consult your local dealer. Bluetooth®
operates in license-free bands.
Before operating an eGPS 20T GNSS receiver,
determine if authorization or a license to operate the unit is
required in your country. It is the responsibility of the
end-user to obtain an operator’s permit or license for the
receiver for the location or country of use.
1.1.3. Use and Care
This receiver is ruggedized to withstand tough
environmental conditions that occur in the field. However,
the receiver is a high-precision electronic instrument and
should be treated with reasonable care.
CAUTION - Operating or storing the receiver
outside the specified temperature range will cause
irreversible damage.
1.2. Technical Support
If you have a problem and cannot find the information you
need in this manual or on the eGPS Solutions website
www.egps.net, you can contact our technical support team
at (770) 695-3361.
1.3. Disclaimer
Before using the receiver, please make sure that you have
read and understood this Quick Start Guide, as well as the
safety information. eGPS Solutions holds no responsibility
for the incorrect operation by users and for the losses
incurred by misunderstanding this guide. However, eGPS
Solutions reserves the right to update and optimize the
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contents in this guide regularly. Please contact your local
dealer from which you purchased the receiver for new
information.
1.4. Your Comments
Your feedback about this user guide will help us to improve
it in the future. Please email your comments to
2. Getting Started with the eGPS 20T
2.1. About the Receiver
The eGPS 20T GNSS receiver incorporates a GNSS engine,
GNSS antenna, internal radio, 4G cellular modem,
Bluetooth, WiFi and dual batteries in a ruggedized and
miniature unit. Either unit may be a base, rover, or used
without other devices for static collection. The IMU-RTK
technology provides robust and accurate GNSS positioning.
The LCD panel enables users to check satellite-tracking
status, internal battery status, WiFi status, working mode,
data logging status and basic receiver information.
The receiver can be used as part of a Network RTK GNSS
system with Carlson SurvCE, MicroSurvey Field Genius or
CHC LandStar7 Android software. Static positions can be
stored in Rinex 2.11 format for easy OPUS submittal using
only the receiver.
When using the eGPS 20T without additional equipment,
configuration of the many features is accomplished through
a web browser. CHC LandStar7 may also be downloaded
from the Android app store. Static positions can be taken
by pressing the function button for 5 seconds.
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2.2. Parts of the Receiver
The operating controls are all located on the front panel.
Battery compartment and SIM card slot are located on the
back. Serial ports and connectors are located on the
bottom of the unit.
2.2.1. Front Panel
The following figure shows a front view of the receiver.
Front Panel
Correction LEDSatellite LED
Power ButtonFunction Button
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The front panel contains four indicator LEDs and two
buttons.
Indicator
LED/ Button
Color Description
Correction
LED
Green • Indicated whether the receiver
is transmitting/receiving
differential data.
• The green LED flashes once
per second when:
a) As a Base Station:
successfully transmitting
differential data.
b) As a Rover Station:
successfully receiving
differential data from Base
Station.
Satellite LED Blue • Shows the number of satellites
that the receiver has tracked.
• When the receiver is searching
satellites, the blue LED flashes
once every 5 seconds.
• When the receiver has tracked
N satellites, the blue LED will
flash N times every 5 seconds.
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NOTE - The screen display comes up and notifies
“Battery Low” when batteries need to be recharged.
Name Color Description
Function
Button
Yellow • Move to the next line of the menus
or options.
• Move to next character of the value
that you want to change.
• Cancel the change you make on a
function.
Power
Button
Red Works as a Power button:
Press and hold this button for 3
seconds to turn on or turn off the
receiver.
Works as a Confirm button.
Works as a Reset button:
Hold Function button and press
this button 5 times to reset the
mainboard.
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Power Button
Power Button
Function Button
Function Button
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