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POSITIONING SYSTEMS
HiPer Ga/Gb
Operator’s Manual
Part Number 7010-0816
Rev C
©Copyright Topcon Positioning Systems, Inc.
March, 2013
All contents in this manual are copyrighted by Topcon. All rights reserved.
The information contained herein may not be used, accessed, copied, stored,
displayed, sold, modified, published, distributed, or otherwise reproduced
without express written consent from Topcon.

P/N 7010-0816
TOC
i
Table of Contents
Preface .................................................................. v
Introduction .......................................................... 1-1
Principles of Operation .................................................... 1-2
GNSS Overview ........................................................ 1-2
Calculating Absolute Positions ........................... 1-3
Calculating Differential Positions ...................... 1-3
Essential Components for Quality Surveying .... 1-5
Conclusion .......................................................... 1-6
Receiver Overview .................................................... 1-6
Getting Acquainted .......................................................... 1-7
HiPer Ga/Gb Receiver ............................................... 1-8
MINTER ............................................................. 1-8
Data and Power Ports ......................................... 1-14
External Radio Antenna Connector .................... 1-15
Cables ........................................................................ 1-15
Other Accessories ...................................................... 1-16
Optional Accessories ................................................. 1-17
Option Authorization File (OAF) .................................... 1-20
Pre-survey Preparation ........................................ 2-1
Installing Topcon Software .............................................. 2-2
Installing PC-CDU .................................................... 2-2
Installing Modem-TPS .............................................. 2-3
Installing BTCONF ................................................... 2-5
Installing FLoader ..................................................... 2-6
Charging the Internal Batteries ........................................ 2-7
Power Management ......................................................... 2-9
Powering the Receiver with an External Battery ............. 2-13
Turning On/Off the Receiver .................................... 2-14
Connecting the Receiver and a Computer ....................... 2-14

Table of Contents
HiPer Ga/Gb Operator’s Manual
ii
Establishing a Wireless Connection .......................... 2-15
Establishing an RS232 Cable Connection ................. 2-16
Establishing a USB Connection ................................. 2-17
Bluetooth Module Configuration ..................................... 2-17
Connecting to BTCONF and Setting Security
Parameters .............................................................. 2-18
Collecting Almanacs and Ephemerides ............................ 2-21
HiPer Ga/Gb Configuration ................................. 3-1
Configuring the Radio Modem ........................................ 3-3
Configuring a Digital UHF Radio Modem ..................... 3-3
Configuring the Receiver ................................................. 3-7
Connecting to PC-CDU ............................................. 3-8
MINTER Configuration ................................................... 3-17
HiPer Ga/Gb Receiver Setup and Survey .......... 4-1
Receiver Setup .................................................................. 4-1
Step 1: Setting Up the Receivers ............................... 4-1
Step 2: Measuring Antenna Height ............................ 4-4
Step 3: Collecting Data .............................................. 4-6
MINTER Operation .......................................................... 4-8
Static Surveying for Base Stations ................................... 4-10
Kinematic (Stop & Go) Surveying for Rover Stations .... 4-12
Real Time Kinematic Surveying ...................................... 4-13
Receiver and File Maintenance .......................... 5-1
Downloading Files to a Computer ................................... 5-1
Downloading Files via Topcon Link ......................... 5-2
...Using Windows Explorer ................................. 5-2
...Using Topcon Link .......................................... 5-4
Downloading Files via PC-CDU ............................... 5-6
Deleting Files from the Receiver ..................................... 5-8
Managing Receiver Memory ............................................ 5-9
Managing Receiver Options ............................................. 5-10
Checking the Receiver’s OAF ................................... 5-10
Loading an OAF ........................................................ 5-12
Clearing the NVRAM ...................................................... 5-13
Using the MINTER to Clear the NVRAM ................ 5-13

Table of Contents
P/N 7010-0816 iii
Using PC-CDU to Clear the NVRAM ...................... 5-14
Changing Receiver Modes ............................................... 5-14
Entering Extended Information Mode ...................... 5-14
Entering Sleep (Off) Mode ........................................ 5-16
Entering Zero Power Mode ....................................... 5-16
Loading New Firmware ................................................... 5-17
Loading Receiver and Power Board Firmware ......... 5-18
Loading Bluetooth Module Firmware ....................... 5-21
Troubleshooting ................................................... 6-1
Check This First! ............................................................. 6-1
Troubleshooting Quick List ............................................. 6-2
Powering Problems .......................................................... 6-3
Receiver Problems ........................................................... 6-4
Bluetooth Problems ......................................................... 6-10
Modem-TPS Problems ..................................................... 6-13
Obtaining Technical Support ........................................... 6-14
Phone ......................................................................... 6-15
E-mail ........................................................................ 6-15
Website ...................................................................... 6-16
Specifications ....................................................... A-1
Receiver Specifications ................................................... A-2
General Details .......................................................... A-2
GPS Board Details .................................................... A-7
Bluetooth Module Details ......................................... A-8
Digital UHF Modem General Specifications ............ A-9
Digital UHF Transmitter Specifications ................... A-10
Digital UHF Receiver Specifications ........................ A-11
Environmental Specifications ................................... A-12
HiPer Ga/Gb Compliance ......................................... A-12
Connector Specifications ................................................. A-13
Radio (Modem) RF Connector .................................. A-13
Power Connector ....................................................... A-13
Serial C-RS232 Connector ........................................ A-14
USB Connector ......................................................... A-15

Table of Contents
HiPer Ga/Gb Operator’s Manual
iv
Safety Warnings ................................................... B-1
General Warnings ............................................................. B-1
Battery Pack Warnings ..................................................... B-2
Usage Warnings ............................................................... B-3
Regulatory Information ....................................... C-1
UHF Radio Usage ............................................................ C-1
FCC Compliance .............................................................. C-2
Community of Europe Compliance .................................. C-3
Canadian Emission Labeling Requirements .................... C-3
WEEE Directive ............................................................... C-3
Industry Canada Compliance ........................................... C-5
RF Radiation Hazard Warning .................................. C-5
Maximum Antenna Gain ........................................... C-5
Industry Canada Notice and Marking ........................ C-6
Warranty Terms ................................................... D-1

HiPer Ga/Gb Operator’s Manual
Preface
v
Preface
Thank you for purchasing this Topcon product. The materials
available in this Manual (the “Manual”) have been prepared by
Topcon Positioning Systems, Inc. (“TPS”) for owners of Topcon
products, and are designed to assist owners with the use of the
receiver and its use is subject to these terms and conditions (the
“Terms and Conditions”).
Terms and Conditions
USE This product is designed to be used by a professional. The user
should have a good knowledge of the safe use of the product and
implement the types of safety procedures recommended by the local
government protection agency for both private use and commercial
job sites.
COPYRIGHT All information contained in this Manual is the
intellectual property of, and copyrighted material of TPS. All rights
are reserved. You may not use, access, copy, store, display, create
derivative works of, sell, modify, publish, distribute, or allow any
third party access to, any graphics, content, information or data in this
Manual without TPS’ express written consent and may only use such
information for the care and operation of your receiver. The
information and data in this Manual are a valuable asset of TPS and
are developed by the expenditure of considerable work, time and
money, and are the result of original selection, coordination and
arrangement by TPS.
NOTICE
Please read these Terms and Conditions carefully.

Preface
HiPer Ga/Gb Operator’s Manual
vi
TRADEMARKS LPS-900™, Pocket-3D™, GR-3™, Topcon Tools™,
Modem-TPS™, Topcon® and Topcon Positioning Systems™ are
trademarks or registered trademarks of TPS. Windows® is a
registered trademark of Microsoft Corporation. The Bluetooth® word
mark and logos are owned by Bluetooth SIG, Inc. and any use of such
marks by Topcon Positioning Systems, Inc. is used under license.
Other product and company names mentioned herein may be
trademarks of their respective owners.
DISCLAIMER OF WARRANTY EXCEPT FOR ANY
WARRANTIES IN AN APPENDIX OR A WARRANTY CARD
ACCOMPANYING THE PRODUCT, THIS MANUAL AND THE
RECEIVER ARE PROVIDED “AS-IS.” THERE ARE NO OTHER
WARRANTIES. TPS DISCLAIMS ANY IMPLIED WARRANTY
OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR
USE OR PURPOSE. TPS AND ITS DISTRIBUTORS SHALL NOT
BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR
OMISSIONS CONTAINED HEREIN; NOR FOR INCIDENTAL OR
CONSEQUENTIAL DAMAGES RESULTING FROM THE
FURNISHING, PERFORMANCE OR USE OF THIS MATERIAL
OR THE RECEIVER. SUCH DISCLAIMED DAMAGES
INCLUDE BUT ARE NOT LIMITED TO LOSS OF TIME, LOSS
OR DESTRUCTION OF DATA, LOSS OF PROFIT, SAVINGS OR
REVENUE, OR LOSS OF THE PRODUCT’S USE. IN ADDITION
TPS IS NOT RESPONSIBLE OR LIABLE FOR DAMAGES OR
COSTS INCURRED IN CONNECTION WITH OBTAINING
SUBSTITUTE PRODUCTS OR SOFTWARE, CLAIMS BY
OTHERS, INCONVENIENCE, OR ANY OTHER COSTS. IN ANY
EVENT, TPS SHALL HAVE NO LIABILITY FOR DAMAGES OR
OTHERWISE TO YOU OR ANY OTHER PERSON OR ENTITY
IN EXCESS OF THE PURCHASE PRICE FOR THE RECEIVER.
LICENSE AGREEMENT Use of any computer programs or software
supplied by TPS or downloaded from a TPS website (the “Software”)
in connection with the receiver constitutes acceptance of these Terms
and Conditions in this Manual and an agreement to abide by these
Terms and Conditions. The user is granted a personal, non-exclusive,
non-transferable license to use such Software under the terms stated
herein and in any case only with a single receiver or single computer.

Terms and Conditions
P/N 7010-0816 vii
You may not assign or transfer the Software or this license without
the express written consent of TPS. This license is effective until
terminated. You may terminate the license at any time by destroying
the Software and Manual. TPS may terminate the license if you fail to
comply with any of the Terms or Conditions. You agree to destroy the
Software and manual upon termination of your use of the receiver. All
ownership, copyright and other intellectual property rights in and to
the Software belong to TPS. If these license terms are not acceptable,
return any unused software and manual.
CONFIDENTIALITY This Manual, its contents and the Software
(collectively, the “Confidential Information”) are the confidential and
proprietary information of TPS. You agree to treat TPS’ Confidential
Information with a degree of care no less stringent that the degree of
care you would use in safeguarding your own most valuable trade
secrets. Nothing in this paragraph shall restrict you from disclosing
Confidential Information to your employees as may be necessary or
appropriate to operate or care for the receiver. Such employees must
also keep the Confidentiality Information confidential. In the event you
become legally compelled to disclose any of the Confidential
Information, you shall give TPS immediate notice so that it may seek a
protective order or other appropriate remedy.
WEBSITE; OTHER STATEMENTS No statement contained at the
TPS website (or any other website) or in any other advertisements or
TPS literature or made by an employee or independent contractor of
TPS modifies these Terms and Conditions (including the Software
license, warranty and limitation of liability).
SAFETY Improper use of the receiver can lead to injury to persons or
property and/or malfunction of the product. The receiver should only
be repaired by authorized TPS warranty service centers. Users should
review and heed the safety warnings in an Appendix.
MISCELLANEOUS The above Terms and Conditions may be
amended, modified, superseded, or canceled, at any time by TPS. The
above Terms and Conditions will be governed by, and construed in
accordance with, the laws of the State of California, without reference
to conflict of laws.

Preface
HiPer Ga/Gb Operator’s Manual
viii
Manual Conventions
This manual uses the following conventions:
Example Description
FileExit Click the File menu and click Exit.
Connection Indicates the name of a dialog box or screen.
Frequency Indicates a field on a dialog box or screen, or a tab
within a dialog box or screen.
Enter Press or click the button or key labeled Enter.
NOTE
Further information to note about the configuration,
maintenance, or setup of a system.
TIP
Supplementary information that can help you
configure, maintain, or set up a system.
NOTICE
Supplementary information that can have an affect
on system operation, system performance,
measurements, or personal safety.
CAUTION
Notification that an action has the potential to
adversely affect system operation, system
performance, data integrity, or personal health.

Manual Conventions
P/N 7010-0816 ix
WARNING
Notification that an action will result in system
damage, loss of data, loss of warranty, or personal
injury.
DANGER
Under no circumstances should this action be
performed.

Preface
HiPer Ga/Gb Operator’s Manual
Notes:
x

P/N 7010-0816
Chapter 1
1-1
Introduction
The HiPer Ga/Gb receiver is a dual-frequency, GPS+ receiver built to
be the most advanced and compact receiver for the surveying market.
The receiver is a multi-function, multi-purpose receiver intended for
precision markets. Precision markets means markets for equipment,
subsystems, components and software for surveying, construction,
commercial mapping, civil engineering, precision agriculture and
land-based construction and agriculture machine control,
photogrammetry mapping, hydrographic and any use reasonably
related to the foregoing.
The HiPer Ga/Gb can receive and process the latest GPS and
GLONASS signal types, improving the accuracy and reliability of the
survey points and positions, especially under difficult jobsite
conditions, and reducing cost.
Figure 1-1. HiPer Ga/Gb Receiver
The dual-frequency and GPS+ features of the receiver combine to
provide a positioning system accurate for any survey. Several other
features, including multipath mitigation, provide under-canopy and
low signal strength reception. The receiver provides the functionality,

Introduction
HiPer Ga/Gb Operator’s Manual
1-2
accuracy, availability, and integrity needed for fast and easy data
collection.
Principles of Operation
Surveying with the right GPS receiver offers users accurate and
precise positioning, a requirement for any surveying project.
This section gives an overview of existing and proposed Global
Navigation Satellite Systems (GNSS) and receiver functions so basic
operating principles can be applied.
GNSS Overview
Currently, the following three global navigation satellite systems
(GNSS) offer line-of-site radio navigation and positioning, velocity,
and time services on a global, all-weather scale to any user equipped
with a GNSS tracking receiver on or near the Earth’s surface:
• GPS – the Global Positioning System maintained and operated by
the United States Department of Defense. For information on the
status of this system, visit the US Naval Observatory website
(http://tycho.usno.navy.mil/) or the US Coast Guard website
(http://www.navcen.uscg.gov/).
• GLONASS – the Global Navigation Satellite System maintained
and operated by the Russian Federation Ministry of Defense. For
information on the status of this system, visit the Coordinational
Scientific Information Center website (http://www.glonass-
ianc.rsa.ru/).
• GALILEO – an upcoming global positioning system maintained
and operated by European Satellite Navigation Industries, a joint
venture of several European space agencies/companies working
closely with the European Space Agency. Unlike GPS and
GLONASS, this is a civil endeavor and is currently in the
development and validation stage. For information on the status
of this system, visit the European Satellite Navigation Industries
website (http://www.european-satellite-navigation-
industries.net).

Principles of Operation
P/N 7010-0816 1-3
Despite numerous technical differences in the implementation of
these systems, satellite positioning systems have three essential
components:
• Space – GPS, GLONASS, and GALILEO satellites orbit
approximately 12,000 nautical miles above Earth and are
equipped with a clock and radio. These satellites broadcast
ranging signals and various digital information (ephemerides,
almanacs, time and frequency corrections, and so forth).
• Control – Ground stations located around the Earth that monitor
the satellites and upload data, including clock corrections and
new ephemerides (satellite positions as a function of time), to
ensure the satellites transmit data properly.
• User – The community and military that use GNSS receivers to
calculate positions.
Calculating Absolute Positions
When calculating an absolute position, a stationary or moving
receiver determines its three-dimensional position with respect to the
origin of an Earth-Center Earth-Fixed coordinate system. To calculate
this position, the receiver measures the distance (called pseudo-
ranges) between it and at least four satellites. The measured pseudo-
ranges are corrected for clock differences (receiver and satellites) and
signal propagation delays due to atmospheric effects. The positions of
the satellites are computed from the ephemeris data transmitted to the
receiver in navigation messages. When using a single satellite system,
the minimum number of satellites needed to compute a position is
four. In a mixed satellite scenario (GPS, GLONASS, GALILEO), the
receiver must lock onto five or more satellites to account for the
different time scales used in these systems and to obtain an absolute
position.
Calculating Differential Positions
DGPS, or Differential GPS, is a relative positioning technique where
the measurements from two or more remote receivers are combined
and processed using sophisticated algorithms to calculate the
receivers’ relative coordinates with high accuracy.

Introduction
HiPer Ga/Gb Operator’s Manual
1-4
DGPS accommodates various implementation techniques that can be
classified according to the following criteria:
• The type of GNSS measurements used, either code-phase or
carrier-phase differential measurements
• If real-time or post-mission results are required. Real-time
applications can be further divided according to the source of
differential data and the communication link used.
With DGPS in its most traditional approach, one receiver is placed at
a known surveyed location and is referred to as the reference receiver
or base station. Another receiver is placed at an unknown location and
is referred to as the remote receiver or rover. The reference station
collects the code-phase and carrier-phase measurements from each
GNSS satellite in view.
• For real-time applications, these measurements and the reference
station coordinates are then built up to the industry standard
RTCM—or various proprietary standards established for
transmitting differential data—and broadcast to the remote
receiver(s) using a data communication link. The remote receiver
applies the transmitted measurement information to its observed
measurements of the same satellites.
• For post-mission applications, the simultaneous measurements
from reference and rover stations are normally recorded to the
receiver’s internal memory (not sent over communication link).
Later, the data are downloaded to computer, combined, and
processed.
Using this technique, the spatially correlated errors—such as
satellite orbital errors, ionospheric errors, and tropospheric
errors—can be significantly reduced, thus improving the position
solution accuracy.
A number of differential positioning implementations exist, including
post-processing surveying, real-time kinematic surveying, maritime
radio beacons, geostationary satellites (as with the OmniSTAR
service), and satellite based augmentation systems (WAAS, EGNOS,
MSAS).

Principles of Operation
P/N 7010-0816 1-5
The real-time kinematic (RTK) method is the most precise method of
real-time surveying. RTK requires at least two receivers collecting
navigation data and communication data link between the receivers.
One of the receivers is usually at a known location (Base) and the
other is at an unknown location (Rover). The Base receiver collects
carrier phase measurements, generates RTK corrections, and sends
this data to the Rover receiver. The Rover processes this transmitted
data with its own carrier phase observations to compute its relative
position with high accuracy, achieving an RTK accuracy of up to 1 cm
horizontal and 1.5 cm vertical.
Essential Components for Quality Surveying
Achieving quality position results requires the following elements:
• Accuracy – The accuracy of a position primarily depends upon
the satellite geometry (Geometric Dilution of Precision, or
GDOP) and the measurement (ranging) errors.
– Differential positioning (DGPS and RTK) strongly mitigates
atmospheric and orbital errors, and counteracts Selective
Availability (SA) signals the US Department of Defense
transmits with GPS signals.
– The more satellites in view, the stronger the signal, the lower
the DOP number, the higher positioning accuracy.
• Availability – The availability of satellites affects the calculation
of valid positions. The more visible satellites available, the more
valid and accurate the position. Natural and man-made objects
can block, interrupt, and distort signals, lowering the number of
available satellites and adversely affecting signal reception.
• Integrity – Fault tolerance allows a position to have greater
integrity, increasing accuracy. Several factors combine to provide
fault tolerance, including:
– Receiver Autonomous Integrity Monitoring (RAIM) detects
faulty GNSS satellites and removes them from the position
calculation.
– Five or more visible satellites for only GPS or only
GLONASS; six or more satellites for mixed scenarios.

Introduction
HiPer Ga/Gb Operator’s Manual
1-6
– Satellite Based Augmentation Systems (WAAS, EGNOS, and
so on) creates and transmit, along with DGPS corrections,
data integrity information (for example, satellite health
warnings).
– Current ephemerides and almanacs.
Conclusion
This overview simply outlines the basics of satellite positioning. For
more detailed information, visit the TPS website at
www.topconpositioning.com.
Receiver Overview
When power is turned on and the receiver self-test completes, the
receiver’s 40 channels initialize and begin tracking visible satellites.
Each of the receiver’s channels can be used to track any one of the
GPS and GLONASS signals. The number of channels available
allows the receiver to track all visible global positioning satellites at
any time and location.
An internal GPS+ antenna equipped with a low noise amplifier (LNA)
and the receiver’s radio frequency (RF) device are connected with a
coaxial cable. The wide-band signal received is down-converted,
filtered, digitized, and assigned to different channels. The receiver
processor controls the process of signal tracking.
Once the signal is locked in the channel, it is demodulated and
necessary signal parameters (carrier and code phases) are measured.
Also, broadcast navigation data are retrieved from the navigation
frame.
After the receiver locks on to four or more satellites, its absolute
position in WGS-84 and the time offset between the receiver clock
and GPS time are computed. This information and the measurement
data are stored in the receiver’s internal memory and can be
downloaded later onto a computer, then processed using a post-
processing software package. When the receiver operates in RTK
mode, raw data measurements can also be recorded into the receiver’s