Trimble 5580090 User Manual

USER GUIDE

Trimble® SPSx50 Modular GPS Receiver

Version 1.0
Revision B
March 2006



Corporate Office

Trimble Navigat ion Limited
935 Stewart Drive

Sunnyvale, CA 94085
USA

www.trimble.com

Construction Business Area

Trimble Navigat ion Limited
Construction Business Area
5475 Kellenburger Road
Dayton, Ohio 45424-1099
USA
800-538-7800 (toll free in USA)
[phone] Phone
[phone] Fax

www.trimble.com

E-mail: [e-mail]

Legal Notices

© 2006, Trimble Navigation Limited. All rights reserved.
Trimble, and the Globe & Triangle logo are trademarks of Trimble
Navigation Limited, registered in the United States Patent and

Trademark Office and in other countries. AutoBase, CMR, CMR+,
HYDROpro, Maxwell, Micro-Centered, TGO, TRIMMARK, TSC2,
TSCe, VRS, Zephyr, and Zephyr Geodetic are trademarks of Trimble
Navigation Limited.
The Bluetooth word mark and logos are owned by the Bluetooth
SIG, Inc. and any use of such marks by Trimble Navigation Limited
is under license.
Microsoft, Windows, and Windows NT are either registered
trademarks or trademarks of Microsoft Corporation in the United
States and/or other countries.
All other trademarks are the property of their respective owners.

Release Notice

This is the March 2006 release (Revision B) of the SPSx50 Modular
GPS Receiver User Guide. It applies to version 1.0 of the SPSx50

Modular GPS receiver.

Limited Warranty Terms and Conditions

Product Limited Warranty

Subject to the terms and conditions set forth herein, Trimble
Navigation Limited (“Trimble”) warrants that for a period of (1) year
from date of purchase this Trimble product (the “Product”) will
substantially conform to Trimble's publicly available specifications
for the Product and that the hardware and any storage media
components of the Product will be substantially free from defects in
materials and workmanship.

Product Software

Product software, whether built into hardware circuitry as
firmware, provided as a standalone computer software product,
embedded in flash memory, or stored on magnetic or other media,
is licensed and not sold. If accompanied by a separate end user
license agreement, use of any such software will be subject to the
terms of such end user license agreement (including any differing
limited warranty terms, exclusions and limitations), which shall
control over the terms and conditions set forth in this limited
warranty).

Software Updates

During the limited warranty period you will be entitled to receive
such Fix Updates and Minor Updates to the Product software that
Trimble releases and makes commercially available and for which it
does not charge separately, subject to the procedures for delivery to
purchasers of Trimble products generally. If you have purchased the
Product from an authorized Trimble distributor rather than from
Trimble directly, Trimble may, at its option, forward the software Fix
Update or Minor Update to the Trimble distributor for final
distribution to you. Major Upgrades, new products, or substantially
new software releases, as identified by Trimble are expressly
excluded from this update process and limited warranty. Receipt of
software updates shall not serve to extend the limited warranty
period.

For purposes of this warranty the following definitions shall apply:
(1) “Fix Update” means an error correction or other update created
to fix a previous software version that does not substantially
conform to its published specifications; (2) “Minor Update” occurs
when enhancements are made to current features in a software

program; and (3) “Major Upgrade” occurs when significant new
features are added to software, or when a new product containing
new features replaces the further development of a current product
line. Trimble reserves the right to determine, in its sole discretion,
what constitutes a significant new feature and Major Upgrade.

Warranty Remedies

If the Trimble Product fails during the warranty period for reasons
covered by this Limited Warranty and you notify Trimble of such
failure during the warranty period, Trimble at its option will repair
OR replace the nonconforming Product, OR refund the purchase
price paid by you for the Product, upon your return of the Product
to Trimble in accordance with Trimble's standard return material
authorization procedures.

How to Obtain Warranty Service

To obtain warranty service for the Product, please contact your
Trimble dealer. Alternatively, you may contact Trimble to request
warranty service at [phone] (24 hours a day) or e-mail your
request to [e-mail]. Please be prepared to
provide:
– your name, address, and telephone numbers
– proof of purchase
–this Trimble warranty card
– a description of the nonconforming Product including the model

number
– an explanation of the problem.
The customer service representative may need additional
information from you depending on the nature of the problem.

Warranty Exclusions and Disclaimer

This Product limited warranty shall only apply in the event and to
the extent that (i) the Product is properly and correctly installed,
configured, interfaced, maintained, stored, and operated in
accordance with Trimble's applicable operator's manual and
specifications, and; (ii) the Product is not modified or misused. This
Product limited warranty shall not apply to, and Trimble shall not
be responsible for defects or performance problems resulting from
(i) the combination or utilization of the Product with hardware or
software products, information, data, systems, interfaces or devices
not made, supplied or specified by Trimble; (ii) the operation of the
Product under any specification other than, or in addition to,
Trimble's standard specifications for its products; (iii) the
unauthorized, installation, modification, or use of the Product; (iv)
damage caused by: accident, lightning or other electrical discharge,
fresh or salt water immersion or spray; or exposure to
environmental conditions for which the Product is not intended; or
(v) normal wear and tear on consumable parts (e.g., batteries).
Trimble does not warrant or guarantee the results obtained through
the use of the Product. NOTICE REGARDING PRODUCTS
EQUIPPED WITH TECHNOLOGY CAPABLE OF TRACKING
SATELLITE SIGNALS FROM SATELLITE BASED
AUGMENTATION SYSTEMS (SBAS) (WAAS/EGNOS, AND MSAS),
OMNISTAR, GPS, MODERNIZED GPS, OR GLONASS SATELLITES,
OR FROM IALA BEACON SOURCES: TRIMBLE IS NOT
RESPONSIBLE FOR THE OPERATION OR FAILURE OF
OPERATION OF ANY SATELLITE BASED POSITIONING SYSTEM
OR THE AVAILABILITY OF ANY SATELLITE BASED
POSITIONING SIGNALS.

THE FOREGOING LIMITED WARRANTY TERMS STATE
TRIMBLE'S ENTIRE LIABILITY, AND YOUR EXCLUSIVE
REMEDIES, RELATING TO PERFORMANCE OF THE TRIMBLE
PRODUCT. EXCEPT AS OTHERWISE EXPRESSLY PROVIDED
HEREIN, THE PRODUCT AND ACCOMPANYING
DOCUMENTATION AND MATERIALS ARE PROVIDED “AS-IS”
AND WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY
KIND, BY EITHER TRIMBLE OR ANYONE WHO HAS BEEN
INVOLVED IN ITS CREATION, PRODUCTION, INSTALLATION, OR
DISTRIBUTION, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE, TITLE, AND
NONINFRINGEMENT. THE STATED EXPRESS WARRANTIES ARE
IN LIEU OF ALL OBLIGATIONS OR LIABILITIES ON THE PART OF
TRIMBLE ARISING OUT OF, OR IN CONNECTION WITH, ANY
PRODUCT.

SOME STATES AND JURISDICTIONS DO NOT ALLOW
LIMITATIONS ON DURATION OR THE EXCLUSION OF AN
IMPLIED WARRANTY, SO THE ABOVE LIMITATION MAY NOT
APPLY TO YOU.

ii SPSx50 Modular GPS Receiver User Guide

Limitation of Liability

TRIMBLE'S ENTIRE LIABILITY UNDER ANY PROVISION HEREIN
SHALL BE LIMITED TO THE AMOUNT PAID BY YOU FOR THE
PRODUCT. TO THE MAXIMUM EXTENT PERMITTED BY
APPLICABLE LAW, IN NO EVENT SHALL TRIMBLE OR ITS SUPPLIERS
BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGE WHATSOEVER UNDER ANY
CIRCUMSTANCE OR LEGAL THEORY RELATING IN ANYWAY TO THE
PRODUCTS, SOFTWARE AND ACCOMPANYING DOCUMENTATION
AND MATERIALS, (INCLUDING, WITHOUT LIMITATION, DAMAGES
FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION, LOSS
OF DATA, OR ANY OTHER PECUNIARY LOSS), REGARDLESS OF
WHETHER TRIMBLE HAS BEEN ADVISED OF THE POSSIBILITY OF
ANY SUCH LOSS AND REGARDLESS OF THE COURSE OF DEALING
WHICH DEVELOPS OR HAS DEVELOPED BETWEEN YOU AND
TRIMBLE. BECAUSE SOME STATES AND JURISDICTIONS DO NOT
ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR
CONSEQUENTIAL OR INCIDENTAL DAMAGES, THE ABOVE
LIMITATION MAY NOT APPLY TO YOU.

PLEASE NOTE: THE ABOVE TRIMBLE LIMITED WARRANTY
PROVISIONS WILL NOT APPLY TO PRODUCTS PURCHASED
IN THOSE JURISDICTIONS, SUCH AS COUNTRIES OF THE
EUROPEAN ECONOMIC COMMUNITY, IN WHICH PRODUCT
WARRANTIES ARE OBTAINED FROM THE LOCAL
DISTRIBUTOR. IN SUCH CASE, PLEASE CONTACT YOUR
TRIMBLE DEALER FOR APPLICABLE WARRANTY
INFORMATION.

Registration

To receive information regarding updates and new products, please
contact your local dealer or visit the Trimble website at

www.trimble.com/register. Upon registration you may select the

newsletter, upgrade or new product information you desire.

Notices

Class B Statement – Notice to Users. This equipment has been
tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC rules and Part 90. These
limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment
generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause
harmful interference to radio communication. However, there is no
guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:

– Reorient or relocate the receiving antenna.
– Increase the separation between the equipment and the receiver.
– Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.

– Consult the dealer or an experienced radio/TV technician for

help.
Changes and modifications not expressly approved by the
manufacturer or registrant of this equipment can void your

authority to operate this equipment under Federal
Communications Commission rules.

Canada

This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme

NMB-003 du Canada.
This apparatus complies with Canadian RSS-310, RSS-210, and

RSS-119.
Cet appareil est conforme à la norme CNR-310, CNR-210, et
CNR-119 du Canada.

Europe

This product (the SPSx50 Modular GPS receiver) is
intended to be used in all EU member countries.

This product has been tested and found to comply with the
requirements for a Class B device pursuant to European Council
Directive 89/336/EEC on EMC, thereby satisfying the requirements
for C E Marking and sale w ithin the Europ ean Economic Area ( EEA).
Contains Infineon radio module PBA 31307. These requirements are
designed to provide reasonable protection against harmful
interference when the equipment is operated in a residential or
commercial environment.

Australia and New Zealand

This product conforms with the regulatory requirements of
the Australian Communications Authority (ACA) EMC
framework, thus satisfying the requirements for C-Tick
Marking and sale within Australia and New Zealand.

Taiwan – Battery Recycling Requirements

The product contains a removable Lithium-ion battery.
Taiwanese regulations require that waste batteries are
recycled.

廢電池請回收

Directive 1999/5/EC

Hereby, Trimble Navigation, declares that the SPSx50 GPS Receiver
is in compliance with the essential requirements and other relevant
provisions of Directive 1999/5/EC.

Notice to Our European Union Customers

For product recycling instructions and more information, please go
to www.trimble.com/ev.shtml.

Recycling in Europe: To recycle Trimble WEEE (Waste
Electrical and Electronic Equipment, products that run on
electrical power.), Call [phone], and ask for the
"WEEE Associate". Or, mail a request for recycling
instructions to:
Tri mble Euro pe BV
c/o Menlo Worldwide Logistics
Meerheide 45
5521 DZ Eersel, NL

Declaration of Conformity

We, Trimbl e Navi gation Limited,

935 Stewart Drive

PO Box 3642

Sunnyvale, CA 94088-3642

United States

[phone]

declare under sole responsibility that the products:

SPSx50 Modular GPS receiver, NetR5

comply with Part 15 of FCC Rules.

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.

SPSx50 Modular GPS Receiver User Guide iii

iv SPSx50 Modular GPS Receiver User Guide

Safety Information

Before you use your Trimble® SPS GPS receiver, make sure that you have read and
understood all safety requirements.

Regulations and safety

The receivers contain an internal radio-modem and can send signals through
Bluetooth
GPS antenna only) or through an external data communications radio. Regulations
regarding the use of the radio-modems vary greatly from country to country. In some
countries, the unit can be used without obtaining an end-user license. Other countries
require end-user licensing. For licensing information, consult your local Trimble dealer.

Before operating an SPSx50 Modular GPS receiver or SPSx80 Smart GPS antenna,
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.

For FCC regulations, see Notices, page iii.

Type approval

Type approval, or acceptance, covers technical parameters of the equipment related to
emissions that can cause interference. Type approval is granted to the manufacturer of
the transmission equipment, independent from the operation or licensing of the units.
Some countries have unique technical requirements for operation in particular
radio-modem frequency bands. To comply with those requirements, Trimble may have
modified your equipment to be granted Type approval. Unauthorized modification of
the units voids the Type approval, the warranty, and the operational license of the
equipment.

®

wireless technology (SPSx50 Modular GPS receiver and the SPSx80 Smart

Exposure to radio frequency radiation

For 450 MHz radio

Safety. Exposure to RF energy is an important safety consideration. The FCC has
adopted a safety standard for human exposure to radio frequency electromagnetic
energy emitted by FCC regulated equipment as a result of its actions in General Docket
79-144 on March 13, 1986.

Proper use of this radio modem results in exposure below government limits. The
following precautions are recommended:

• DO NOT operate the transmitter when someone is 20 cm (7.8 inches) of the

antenna.

• DO NOT operate the transmitter unless all RF connectors are secure and any

open connectors are properly terminated.

SPSx50 Modular GPS Receiver User Guide v

Safety Information

For license-free 900 MHz radio

• DO NOT operate the equipment near electrical blasting caps or in an explosive

atmosphere.

• All equipment must be properly grounded according to Trimble installation

instructions for safe operation.

• All equipment should be serviced only by a qualified technician.

C

CAUTION – For your own safety, and in terms of the RF Exposure requirements of the

FCC, always observe the precautions listed here.

• Always maintain a minimum separation distance of 20 cm (7.8 inches) between

yourself and the radiating antenna on the SPSx50 radio-modem.

• Do not co-locate the antenna with any other transmitting device.

For Bluetooth radio

The radiated output power of the internal Bluetooth wireless radio is far below the
FCC radio frequency exposure limits. Nevertheless, the wireless radio shall be used in
such a manner that the Trimble receiver is 20 cm or further from the human body. The
internal wireless radio operates within guidelines found in radio frequency safety
standards and recommendations, which reflect the consensus of the scientific
community. Trimble therefore believes the internal wireless radio is safe for use by
consumers. The level of energy emitted is far less than the electromagnetic energy
emitted by wireless devices such as mobile phones. However, the use of wireless radios
may be restricted in some situations or environments, such as on aircraft. If you are
unsure of restrictions, you are encouraged to ask for authorization before turning on
the wireless radio.

Installing antennas

C

CAUTION – For your own safety, and in terms of the RF Exposure requirements of the

FCC, always observe these precautions:
– Always maintain a minimum separation distance of 20 cm (7.8 inches) between yourself
and the radiating antenna.
– Do not co-locate the antenna with any other transmitting device.

This device has been designed to operate with the antennas listed below, and having a
maximum gain of 5 dBi. Antennas not included in this list, or having a gain greater
than 5 dBi, are strictly prohibited for use with this device. The required antenna
impedance is 50 ohms.

The antennas to be used with the 450 MHz radio are 0 dBi and 5 dBi whip antennas.
The antennas to be used with the 900MHz radio are 0dBi, 3dBi, and 5dBi whip
antennas.

To reduce potential radio interference to other users, the antenna type and its gain
should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not
more than that permitted for successful communication.

vi SPSx50 Modular GPS Receiver User Guide

Battery safety

Safety Information

C

C

C

WARNING – Do not damage the rechargeable Lithium-ion battery. A damaged battery

can cause an explosion or fire, and can result in personal injury and/or property damage.
To prevent injury or damage:
– Do not use or charge the battery if it appears to be damaged. Signs of damage include,
but are not limited to, discoloration, warping, and leaking battery fluid.
– Do not expose the battery to fire, high temperature, or direct sunlight.
– Do not immerse the battery in water.
– Do not use or store the battery inside a vehicle during hot weather.
– Do not drop or puncture the battery.
– Do not open the battery or short-circuit its contacts.

WARNING – Avoid contact with the rechargeable Lithium-ion battery if it appears to be

leaking. Battery fluid is corrosive, and contact with it can result in personal injury and/or
property damage.
To prevent injury or damage:
– If the battery leaks, avoid contact with the battery fluid.
– If battery fluid gets into your eyes, immediately rinse your eyes with clean water and
seek medical attention. Do not rub your eyes!
– If battery fluid gets onto your skin or clothing, immediately use clean water to wash off
the battery fluid.

WARNING – Charge and use the rechargeable Lithium-ion battery only in strict

accordance with the instructions. Charging or using the battery in unauthorized
equipment can cause an explosion or fire, and can result in personal injury and/or
equipment damage.
To prevent injury or damage:
– Do not charge or use the battery if it appears to be damaged or leaking.
– Charge the Lithium-ion battery only in a Trimble product that is specified to charge it.
Be sure to follow all instructions that are provided with the battery charger.
– Discontinue charging a battery that gives off extreme heat or a burning odor.
– Use the battery only in Trimble equipment that is specified to use it.
– Use the battery only for its intended use and according to the instructions in the product
documentation.

SPSx50 Modular GPS Receiver User Guide vii

Safety Information

viii SPSx50 Modular GPS Receiver User Guide

Contents

Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Regulations and safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Type approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Exposure to radio frequency radiation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

For 450 MHz radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

For license-free 900 MHz radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi

For Bluetooth radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi

Installing antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi

Battery safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

About the SPSx50 receivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

SPS550 GPS receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

SPS550H GPS receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

SPS750 GPS receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

SPS850 Extreme GPS receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Related Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Technical Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Your Comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2 Features and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

SPS550 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

SPS550H features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

SPS750 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

SPS750 standard features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

SPS750 Basic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

SPS750 Max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

SPS850 Extreme features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Base station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Rover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Use and care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

COCOM limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Keypad and display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Rear connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3 Batteries and Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

External power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Battery safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Battery performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Charging the Lithium-ion battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Storing the Lithium-ion battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Removing the rechargeable Lithium-ion battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

SPSx50 Modular GPS Receiver User Guide ix

Contents

Operating the receiver with a Trimble controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

4 Setup Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Base station operation guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Base station components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Base station setup guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Permanent installation antenna cabling for the SPSx50 Modular GPS receiver

and SPS770 GPS receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Rover operation guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Rover receiver components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Rover receiver setup guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

5 Setting up the Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Connecting the receiver to external devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Trimble controller with SCS900 Site Controller software . . . . . . . . . . . . . . . . . . . . 40

External radio-modems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Common ways to set up a base station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Setting up a base station for permanent or semi-permanent installation. . . . . . . . . . 42

Setting up a base station for daily site use: T-Bar . . . . . . . . . . . . . . . . . . . . . . . . . 43

Setting up a mobile base station: Tripod and fixed height tripod . . . . . . . . . . . . . . . 44

Common ways to set up a rover receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Setting up the rover receiver on a jobsite vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 47

Setting up the rover receiver on a rod . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Setting up a rover receiver on a belt or in a backpack . . . . . . . . . . . . . . . . . . . . . . 50

Setting up a pair of SPSx50 GPS receivers to provide heading . . . . . . . . . . . . . . . . . . . . . 51

The Moving Baseline RTK positioning technique. . . . . . . . . . . . . . . . . . . . . . . . . 51

Mounting a pair of SPSx50 GPS receivers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Assembling the receivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Installing the receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Mounting the antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Configuring the receiver pair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Interfacing using the NMEA protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

6 Configuring the SPSx50 Using the Keypad and Display . . . . . . . . . . . 59

Button functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Power button operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Home screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Status screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Configuring the SPSx50 as a base receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Configuring the receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Configuring the SPSx50 as a rover receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Configuring the receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Configuring system settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

x SPSx50 Modular GPS Receiver User Guide

Contents

7 Configuring the Receiver Settings . . . . . . . . . . . . . . . . . . . . . . . 67

Using the SCS900 Site Controller software to configure the base station, the rover,

and the radios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Configuring the receiver to log data for postprocessing . . . . . . . . . . . . . . . . . . . . . . . . . 69

Configuring Ethernet settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Configuring the SPSx50 receiver using a web browser . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Supported browsers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Changing the settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

8 Automatically Setting up a Mobile Base Station Using AutoBase

Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

AutoBase Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Working with AutoBase technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Scenario One: First visit to a site with AutoBase Warning turned off . . . . . . . . . . . . 88

Scenario Two: First visit to a site with AutoBase Warning turned on . . . . . . . . . . . . 89

Scenario Three: Repeat visit to a site with AutoBase Warning turned off. . . . . . . . . . 89

Scenario Four: Repeat visit to a site with AutoBase Warning turned on . . . . . . . . . . 90

Flowchart showing the AutoBase process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

9 Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Default receiver settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Resetting the receiver to factory defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Data Logging option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Logging data after a power loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

10 Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

General specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Physical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100

Communication specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101

GPS satellite signal tracking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Integrated radio options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102

Variable configuration options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103

Upgrading the receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103

A NMEA-0183 Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

NMEA-0183 message overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106

Common message elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107

Message values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107

NMEA messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107

B GSOF Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Supported message types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124

GSOF message definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124

TIME . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124

SPSx50 Modular GPS Receiver User Guide xi

Contents

LLH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125

ECEF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125

ECEF DELTA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126

NEU DELTA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

Velocity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127

PDOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127

SIGMA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

SV Brief . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

SV Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129

UTC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130

Batt/Mem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130

Attitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131

Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132

Data collector report structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134

C Adding Internal Radio Frequencies . . . . . . . . . . . . . . . . . . . . . 135

Adding receive frequencies for the 450 MHz internal radio. . . . . . . . . . . . . . . . . . . . . . .136

D Real-Time Data and Services . . . . . . . . . . . . . . . . . . . . . . . . . 137

RT17 Streamed Data service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138

Using the keypad and display to configure RT17 outputs. . . . . . . . . . . . . . . . . . . .138

Using the web interface to configure RT17 outputs . . . . . . . . . . . . . . . . . . . . . . .138

E Upgrading the Receiver Firmware . . . . . . . . . . . . . . . . . . . . . . 139

The WinFlash utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

Installing the WinFlash utility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140

Upgrading the receiver firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140

Forcing the receiver into Monitor mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141

F Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

Receiver issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147

xii SPSx50 Modular GPS Receiver User Guide

CHAPTER

1

Introduction 1

Welcome to the SPSx50 Modular GPS Receiver
User Guide. This manual describes how to set up

and use the Trimble
receivers.

The SPS GPS receivers is a family of receivers that
comprise the SPSx50 Modular GPS receivers,
SPS770 GPS receivers, and the SPSx80 Smart GPS
antennas. Where necessary, this manual contains
references to specific receivers in the product
family. When information is specific to a
particular model, then the specific model name
is used.

Even if you have used other Global Positioning
System (GPS) products before, Trimble
recommends that you spend some time reading
this manual to learn about the special features of
this product. If you are not familiar with GPS,
visit the Trimble website (www.trimble.com) for
an interactive look at Trimble and GPS.

®

SPSx50 Modular GPS

SPS550 GPS receiver

The Trimble SPS550 is a dual-frequency location
GPS receiver. The SPS550 can operate as a DGPS
reference station or as a DGPS rover receiver, and
can use Satellite Based Augmentation Systems
(SBAS). The receiver can also function as a rover
receiver that uses OmniSTAR XP or HP
correction services. The SPS550 is ideal for
mobile applications on marine vessels and site
vehicles where Real-Time Kinematic (RTK)
accuracy is not needed. The SPS550 can be used
with the SPS550H GPS receiver to provide both
position and precise heading solutions for
marine applications.

SPS550H GPS receiver

The Trimble SPS550H is an add-on receiver that
can be combined with the SPS550, SPS750 Max,
or SPS850 Extreme to provide a precise heading
capability using Trimble moving base technology.

About the SPSx50 receivers

The SPSx50 Modular GPS receiver family
comprises the following receivers:

• SPS550

• SPS550H

• SPS750 Basic base

• SPS750 Basic rover

• SPS750 Max

• SPS850 Extreme

SPS750 GPS receiver

The Trimble SPS750 is a dual-frequency GPS
receiver with the ability to receive OmniSTAR
corrections. The receiver is available in the
following configurations:

• SPS750 Basic base

• SPS750 Basic rover

• SPS750 Max

The SPS750 can be configured using the keypad
and display, a web browser, or the Trimble
SCS900 Site Controller software. The SPS750
makes it easy to set up a mobile base station or a

SPSx50 Modular GPS Receiver User Guide 13

1 Introduction

permanent base station for continuous
operation. The SPS750 is also an ideal mobile
receiver for semi-permanent mounting on
vehicles and marine vessels.

SPS850 Extreme GPS receiver

The Trimble SPS850 Extreme is a
triple-frequency GPS plus GLONASS receiver
with the ability to receive OmniSTAR corrections.
The SPS850 Extreme can operate as a base
station or rover. The receiver can be configured
using the keypad and display, web browser, or
Trimble SCS900 Site Controller software. The
SPS850 Extreme makes it easy to set up a mobile
base station or a permanent base station for
continuous operation. The SPS850 Extreme is
also an ideal mobile receiver for semi-permanent
mounting on vehicles and marine vessels.

Related Information

Technical Support

If you have a problem and cannot find the
information you need in the product
documentation, contact your local dealer.
Alternatively, go to the Support area of the
Trimble website
(www.trimble.com/support.shtml). Select the
product you need information on. Product
updates, documentation, and any support issues
are available for download.

If you need to contact Trimble technical support,
complete the online inquiry form at
www.trimble.com/support_form.asp.

Your Comments

Your feedback about the supporting
documentation helps us to improve it with each
revision. E-mail your comments to
[e-mail].

Sources of related information include the
following:

• Help – The SCS900 Site Controller software

has built-in, context-sensitive help that lets
you quickly find the information you need.
Access it from the Help menu. Alternatively,
click the
a Microsoft

? button in a dialog, or press [F1]. On

®

Windows® CE device, select

Start / Help.

• Release notes – The release notes describe

new features of the product, information not
included in the manuals, and any changes to
the manuals. They are provided as a .pdf file
on the Trimble SPS GPS Receiver CD.

• Trimble training courses – Consider a

training course to help you use your GPS
system to its fullest potential. For more
information, go to the Trimble website at
www.trimble.com/training.html.

14 SPSx50 Modular GPS Receiver User Guide

CHAPTER

2

Features and Functions 2

In this chapter:

Q SPS550 features

Q SPS550H features

Q SPS750 features

Q SPS850 Extreme features

Q Use and care

Q COCOM limits

Q Keypad and display

Q Rear connectors

Trimble SPSx50 Modular GPS receivers are ideal
for the following infrastructure development, site
development, and marine construction
applications:

• Mobile base station for RTK or DGPS

applications

• Permanent base station for Virtual

Reference Station (VRS
applications (SPS550, SPS750, and SPS850
only).

Note – The permanent base station for VRS
requires an option to be enabled. For more
information, please contact your Trimble dealer.

• RTK rover on rod, backpack, site vehicle, or

marine vessel

• Site and marine location applications using

OmniSTAR HP or XP corrections

• Site and marine location applications using

DGPS RTCM corrections

You can use the SPSx50 Modular GPS receivers
with the Trimble SCS900 Site Controller software.

™

), RTK, or DGPS

These receivers all feature a keypad and display
so you can configure the receiver without using a
controller or computer.

All the receivers can record GPS data to the
internal memory, and optionally transfer the data
over a USB or serial connection, or download
data through an Ethernet connection.

SPSx50 Modular GPS Receiver User Guide 15

2 Features and Functions

SPS550 features

The receiver provides the following features:

• Location GPS – Sub-meter DGPS rover and base station capability

• Decimeter accuracy when using RTK corrections by radio link or VRS

• OmniSTAR XP/HP for a base station free service

• Optional internal 450 MHz (3 frequency bands) radio with transmit and receive

• Optional internal 900 MHz radio with transmit and receive capability (SPS550

• WAAS/EGNOS and MSAS Satellite Based Augmentation (SBAS) compatibility

• 24-channel L1/L2 GPS receiver – Single-frequency GPS for DGPS position

• Long-life integrated battery, typically 10 hours operation as a base station or

• Integrated display and keypad for rapid system configuration and status

capability (SPS550 only)

only)

solution and dual-frequency GPS for OmniSTAR XP/HP and heading solution

12 hours as a rover

checking, without the need for a controller

• Integrated Bluetooth wireless technology for cable-free configuration and

operation with a controller

• Ethernet support, so that the receiver can be configured remotely across an

Ethernet network or the Internet

• Attached or external radio antenna option for rover or “High Gain” base station

operation

• Small, lightweight design – 1.65 kg (3.64 lbs) receiver only, with battery

• Permanent/semi-permanent and mobile quick setup DGPS base station

capability

• The ability to broadcast corrections through multiple radio links from one base

station receiver (for example, through an internal 450 MHz radio and an
external 900 MHz radio)

• Tough aluminum housing

• IP67 environmental rating

• –40° C to +65° C (–40° F to +149° F) operating temperature range

• 9 V to 30 V DC input power range, with over-voltage protection

• Two-line, 16-character VFD (Vacuum Fluorescent Display) display

16 SPSx50 Modular GPS Receiver User Guide

SPS550H features

The SPS550H receiver provides the following features:

• Precise Heading Add-on GPS receiver

• 24-channel L1/L2 GPS receiver for heading solution

• Long-life integrated battery, typically 12 hours as a rover

• Integrated display and keypad for rapid system configuration and status

checking, without the need for a controller

• Integrated Bluetooth wireless technology for cable-free configuration and

operation with a controller

• Ethernet support, so that the receiver can be configured remotely across and

Ethernet network or the Internet

• Dual-frequency antenna, dual SPS receiver mounting frame, and

interconnecting cable

• Small, lightweight design – 1.65 kg (3.64 lbs) receiver only, with battery

• Tough aluminum housing

Features and Functions 2

• IP67 environmental rating

• –40° C to +65° C (–40° F to +149° F) operating temperature range

• 9 V to 30 V DC input power range, with over-voltage protection

• Two-line, 16-character VFD (Vacuum Fluorescent Display) display

SPS750 features

The SPS750 receiver provides the following standard features. For features specific to
each model, see below.

SPS750 standard features

• Integrated GPS receiver and radio

• 450 or 900 MHz radio:

– SPS750 Max has transmit and receive capabilities

– Basic base has transmit capabilities only

–Basic rover has receive capabilities only

• 24-channel L1/L2 GPS receiver

• OmniSTAR XP and HP service capability

SPSx50 Modular GPS Receiver User Guide 17

2 Features and Functions

• WAAS/EGNOS (Wide Area Augmentation System/European Geo-Stationary

• Long- life integrated battery, typically 10 hours operation as a base station or

• Operation parameters configured using the WinFlash utility, Trimble SCS900

• Integrated Bluetooth wireless technology for cable-free configuration and

• External GPS antenna choice for base station or rover operation

• Attached or external radio antenna option for rover or high-gain base station

• Small, lightweight design – 1.65 kg (3.64 lbs) receiver only, with battery; 4 kg

• Permanent/semi-permanent and mobile quick setup base station capability

Navigation System), and MSAS Satellite Based Augmentation (SBAS)
compatibility

12 hours as a rover

Site Controller software, the integrated display and keyboard for system
configuration with a controller, or the Web receiver interface

operation with a controller

radio operation

(8.82 lbs) complete system weight (rover including controller and rod)

• Backpack, belt, rod, truck, and marine vessel mounting options for rover

applications

• Capable of all site measurement and stakeout operations within 1.5 km (SPS750

Basic) and typically >5 km (SPS750 Max)

• Easy-to-use menu system for rapid configuration and status checking

• AutoBase

™

technology for rapid and automated repeated daily base station

setups

• Ethernet support, so that the receiver can be configured remotely across and

Ethernet network or the Internet

• The ability to broadcast corrections via multiple radio links from one base

station receiver (for example, via an internal 450 MHz radio and an external
900 MHz radio)

• Two-line, 16-character VFD (Vacuum Fluorescent Display) display

• CAN (Controller Area Network) support

• Rugged, weatherproof construction with an IP67 environmental rating

• –40° C to +65° C (–40° F to +149° F) operating temperature range

• 9 V DC to 30 V DC input power range, with over-voltage protection

18 SPSx50 Modular GPS Receiver User Guide

SPS750 Basic

• Base station only, or Rover only, operation

SPS750 Basic base

• Entry-level, low cost RTK base station

• Unrestricted operational range for rovers and grade control systems

• Integrated transmit-only radio

• Easily upgraded to the SPS750 Max

SPS750 Basic rover

• Entry-level, low cost RTK rover receiver

• 2 Hz measurement update rate

• 2.4 km (1.5 mile) operational range from the base station

• Integrated receive-only radio

• Ideal for contractors new to GPS as a starter system or for operating multiple

small projects

Features and Functions 2

• Easily upgraded to the SPS750 Max

SPS750 Max

• RTK base station and rover operation in a single receiver

• Integrated receive/transmit radio

• 5 or 10 Hz measurement update rate

• Unrestricted rover operation range from a base station

• Operates within a VRS network, for base station-free rover capability

• For marine applications: Moving baseline and heading capability when a Max or

Extreme receiver is combined with an SPS550H GPS receiver or an RTK
rover-capable SPSx50 GPS receiver

SPS850 Extreme features

The SPS850 Extreme receiver provides the following features:

• Integrated GPS receiver and radio

• 450 or 900 MHz radio with transmit/receive capability

• 72-channel L1/L2/L2C/L5 GPS plus L1/L2 GLONASS receiver

• OmniSTAR XP and HP service capability

SPSx50 Modular GPS Receiver User Guide 19

2 Features and Functions

• WAAS/EGNOS, and MSAS Satellite Based Augmentation (SBAS) compatibility

• Long- life integrated battery, typically 10 hours operation as a base station or

• Integrated display and keypad for system configuration without a controller

• Integrated Bluetooth wireless technology for cable-free configuration and

• External GPS antenna choice for base station or rover operation

• Attached or external radio antenna option for rover or "High Gain" base station

• Small, lightweight design – 1.65 kg (3.64 lbs) receiver only, with battery; 4 kg

• Permanent/semi-permanent and mobile quick setup base station capability

• Backpack, belt, rod, truck, and marine vessel mounting options for rover

• Within radio or cellular phone coverage, full site measurement and stakeout

12 hours as a rover

operation with a controller

operation

(8.82 lbs) complete system weight (rover including controller and rod)

applications

capability

• Rover operation capability within a VRS (Virtual Reference Station) network

• Easy-to-use menu system for rapid configuration and status checking

• AutoBase technology for rapid and automated repeated daily base station

setups

• The ability to broadcast corrections via multiple radio links from one base

station receiver (for example, via an internal 450 MHz radio and an external
900 MHz radio)

• Two-line, 16-character VFD (Vacuum Fluorescent Display) display

• Rugged, weatherproof construction with an IP67 environmental rating

• –40° C to +65° C (–40° F to +149° F) operating temperature range

• 9 V to 30 V DC input power range, with over-voltage protection

Base station

• Unrestricted operational range for rovers and grade control systems

• Base station and rover operation in a single receiver

• Integrated receive/transmit radio

• Integrated Ethernet and IP capability facilitates base station and receiver

configuration over the Internet or via Ethernet connection on a computer
network

20 SPSx50 Modular GPS Receiver User Guide

• For marine applications: Moving baseline and heading capability when a Max or

Rover

• 5, 10, or 20 Hz measurement update rate

• Unrestricted rover operation range from a base station

• Base station-free rover capability within a VRS network

• Base station-free rover capability using OmniSTAR HP or XP services, with

• Ideal for contractors who operate mid to large size projects with machine

Use and care

This product is designed to withstand the rough treatment and tough environment
that typically occurs in construction applications. However, the receiver is a
high-precision electronic instrument and should be treated with reasonable care.

Features and Functions 2

Extreme receiver is combined with an SPS550H GPS receiver or an RTK rover­capable SPSx50 GPS receiver

<30 cm (1 ft) accuracy

control

C

CAUTION – Operating or storing the receiver outside the specified temperature range can
damage it. For more information, see Chapter 10, Specifications.

COCOM limits

The U.S. Department of Commerce requires that all exportable GPS products contain
performance limitations so that they cannot be used in a manner that could threaten
the security of the United States. The following limitations are implemented on this
product:

• Immediate access to satellite measurements and navigation results is disabled

when the receiver velocity is computed to be greater than 1000 knots, or its
altitude is computed to be above 18 000 meters. The receiver GPS subsystem
resets until the COCOM situation clears. As a result, all logging and stream
configurations stop until the GPS subsystem is cleared.

SPSx50 Modular GPS Receiver User Guide 21

2 Features and Functions

Keypad and display

1

22

Feature Description

1 Power LED Indicates if the receiver is turned on or off.

2 Buttons Used to turn on and configure the receiver (see Button functions, page 60).

3 Display The receiver has a Vacuum Fluorescent Display. This display allows you to see

how the receiver is operating and view the configuration settings.

4 Bluetooth antenna Location of the Bluetooth antenna.

Figure 2.1 Front view of the SPSx50 GPS receiver

3

4

22 SPSx50 Modular GPS Receiver User Guide

Rear connectors

1
2

Features and Functions 2

3

Connector type Description

1 TNC Connect to the GPS antenna

2 • TNC (450 MHz Internal

radio)

• Reverse polarity TNC
(900 MHz internal radio)

• Not installed, system without
internal radio

3 Vent plug External venting plug for pressure equalization

4 High Density

DB26

5 Lemo (7-pin/ 0-shell) • 3 wire RS-232 serial communications using a 7-pin/ 0 shell

Connect to the radio antenna

• Ethernet connectivity to a 10/100 Base-T network through an
RJ45 jack on a multiport adaptor (P/N 57167)

• 'Slave' USB communications through the USB type B
connector on the Multiport adaptor (P/N 57167)

• 'Host' USB communications through the USB type A
connector on the 26-pin to Hirose adaptor (P/N 56653) and
Hirose to USB type A cable (P/N 73841001)

• Primary power from a Trimble AC/DC power supply
(P/N 48800-00) using the multiport adaptor (P/N 57167)

• Power input from an SPS700 total station battery cradle
system using the adaptor (P/N 56653)

• Full 8 wire RS-232 serial communications using the 26-9-pin
multiport adaptor (P/N 57168) or a 26-pin serial
communications cable

• 3 wire RS-232 serial adaptor

Lemo cable

• Secondary power from a Trimble battery (P/N 32364-00 or
32365-00) or a 12 V battery using the Fused Lemo Power
Cable (P/N 46125-00)

•CAN

4

5

Figure 2.2 Rear view of the SPSx50 GPS receiver

SPSx50 Modular GPS Receiver User Guide 23

2 Features and Functions

24 SPSx50 Modular GPS Receiver User Guide

CHAPTER

3

Batteries and Power 3

In this chapter:

Q External power

Q Battery safety

Q Battery performance

Q Charging the Lithium-ion battery

Q Storing the Lithium-ion battery

Q Removing the rechargeable

Lithium-ion battery

Q Operating the receiver with a

Trimble controller

The SPSx50 GPS receiver uses an internal
rechargeable Lithium-ion battery, which can be
replaced only at an Authorized Trimble Service
Center.

The receiver can also be powered by an external
power source that is connected to the Lemo or
modem port.

The operational time provided by the internal
battery depends on the type of measurement and
operating conditions. Typically, the internal
battery provides 10 hours operation as a base
station and 12 hours as a rover during
measurement operations using the internal
radio.

Note – All battery operation tests are carried out
with new, fully charged batteries at room
temperature and full receiver configuration
operational. Older batteries, at temperatures
significantly higher or lower than room
temperature, will have a reduced performance.
Receivers operating with reduced configuration will
have a higher performance.

SPSx50 Modular GPS Receiver User Guide 25

3 Batteries and Power

External power

The GPS receiver uses an external power source in preference to its internal batteries.
If the receiver is not connected to an external power source, or if the external power
supply fails, the internal batteries are used.

While carrying out static measurements for postprocessed computations using the
internal memory, if no external power is supplied and the internal battery is drained,
the receiver shuts down. No data is lost and when power is restored, the receiver
restarts in the same status as it was when power was lost.

Battery safety

The receiver is powered by a rechargable internal Lithium-ion battery. Charge and use
the battery only in strict accordance with the instructions below.

C

C

WARNING – Do not damage the rechargeable Lithium-ion battery. A damaged battery

can cause an explosion or fire, and can result in personal injury and/or property damage.
To prevent injury or damage:
– Do not use or charge the battery if it appears to be damaged. Signs of damage include,
but are not limited to, discoloration, warping, and leaking battery fluid.
– Do not expose the battery to fire, high temperature, or direct sunlight.
– Do not immerse the battery in water.
– Do not use or store the battery inside a vehicle during hot weather.
– Do not drop or puncture the battery.
– Do not open the battery or short-circuit its contacts.

WARNING – Avoid contact with the rechargeable Lithium-ion battery if it appears to be

leaking. Battery fluid is corrosive, and contact with it can result in personal injury and/or
property damage.
To prevent injury or damage:
– If the battery leaks, avoid contact with the battery fluid.
– If battery fluid gets into your eyes, immediately rinse your eyes with clean water and
seek medical attention. Do not rub your eyes!
– If battery fluid gets onto your skin or clothing, immediately use clean water to wash off
the battery fluid.

Battery performance

To optimize battery performance and extend battery life:

• Fully charge all new batteries before use.

• Batteries perform best when they are not used at extreme temperatures. The

receiver is designed to operate at –40 °C to +65 °C (–40 °F to +149 °F). However,
operation at temperatures of less than 0 °C (32 °F) can cause a rapid drop in
battery life.

• Do not allow a battery that is in storage to discharge to below 5 V.

26 SPSx50 Modular GPS Receiver User Guide

Charging the Lithium-ion battery

The rechargeable Lithium-ion battery is supplied partially charged. Charge the battery
completely before using it for the first time. If the battery has been stored for longer
than three months, charge it before use.

The internal battery charges fully in 8 hours when connected to a suitable power
source.

Batteries and Power 3

C

WARNING – Charge and use the rechargeable Lithium-ion battery only in strict

accordance with the instructions. Charging or using the battery in unauthorized
equipment can cause an explosion or fire, and can result in personal injury and/or
equipment damage.
To prevent injury or damage:
– Do not charge or use the battery if it appears to be damaged or leaking.
– Charge the Lithium-ion battery only with a Trimble product that is specified to charge it.
Be sure to follow all instructions that are provided with the battery charger.
– Discontinue charging a battery that gives off extreme heat or a burning odor.
– Use the battery only in Trimble equipment that is specified to use it.
– Use the battery only for its intended use and according to the instructions in the product
documentation.

Storing the Lithium-ion battery

If you must store a Lithium-ion battery for long periods, make sure that it is fully
charged before it is stored, and that you charge it at least once every three months
while it is stored.

Do not allow a battery that is in storage to discharge to below 5 V. A battery that
reaches deep discharge level (5 V or less) cannot be recharged and must be replaced.
(To protect a battery that is in use from deep discharge, the receiver switches power
sources or stops drawing power when the battery pack discharges to 5.9 V.)

All batteries discharge over time when not in use, and they discharge faster in colder
temperatures. Do not store the receiver at temperatures outside the range –40 °C to
+70 °C (–40 °F to +158 °F).

The SPSx50 receiver has an internal Lithium-ion battery. The internal battery will only
charge from an external power source that delivers more than 15 volts, for example, an
AC power adaptor. The receiver is supplied with a mains power supply unit that
recharges the battery inside the receiver when it is connected through the adaptor to
the modem port or the Lemo port. When you use the receiver on large projects, from a
permanent or semi-permanent base station location in a site trailer, Trimble
recommends that you use this power supply at all times to keep the internal battery
charged. This provides an uninterrupted power supply and will keep the site
operational for more than 10 hours after a power failure.

Keep all batteries on continuous charge when not in use. You can keep batteries on
charge indefinitely without damage to the receiver or to the batteries.

SPSx50 Modular GPS Receiver User Guide 27

3 Batteries and Power

Removing the rechargeable Lithium-ion battery

The internal Lithium-ion battery should be removed only at an authorized Trimble
Service Center. If the battery is removed at an unauthorized service center, the
remaining warranty on the product will be void.

Operating the receiver with a Trimble controller

You can operate an SPS GPS receiver with any Trimble controller, for example, a TSC2
or TCU controller, that is running the SCS900 software. Typically, the receiver and the
controller operate from their own individual power sources. The receiver and
controller can communicate through Bluetooth wireless technology and can be
connected without a cable. However, if a cable is required, the following information
indicates which cable to use with which controller:

Controller Cable Controller connector Receiver connector

TSC2 P/N 18532 DSub9 DSub9

TCU P/N 5302007 6H (Marked “Com” on the controller

GPS holder)

TCU
(alternative
connection)

P/N 53004007 6H (Marked “Com” on the controller

GPS holder)

DSub9

7OS

28 SPSx50 Modular GPS Receiver User Guide

CHAPTER

4

Setup Guidelines 4

In this chapter:

Q Base station operation guidelines

Q Rover operation guidelines

GPS Real-Time Kinematic (RTK) operation
provides centimeter-level accuracy by
eliminating errors that are present in the GPS
system. For all RTK operations, you require both
a base station and a rover receiver.

This chapter introduces the concepts of base
station and rover operation, provides
information to help you identify good setup
locations, describes best practices for setting up
the equipment, and outlines the precautions that
you need to take to protect the equipment.

Note – This chapter provides setup information for
all the receivers in the SPS GPS receiver family.

SPSx50 Modular GPS Receiver User Guide 29

4 Setup Guidelines

Base station operation guidelines

A base station consists of a receiver that is placed at a known (and fixed) position. The
receiver tracks the same satellites that are being tracked by the rover receiver, at the
same time that the rover is tracking them. Errors in the GPS system are monitored at
the fixed (and known) base station, and a series of position corrections are computed.
The corrections are sent through a radio link to the rover receiver, where they are used
to correct the real time positions of the rover.

Base station components

The base station has the following components:

• GPS receiver

• GPS antenna

• Base station radio

• Power supply

GPS receiver and GPS antenna

The base station GPS receiver can be one of following types:

• A Smart GPS antenna, such as the SPSx80, which incorporates a GPS receiver,

GPS antenna, power supply, and base station radio into a single compact unit. A
Smart GPS antenna can be rapidly set up on a tripod, fixed height tripod, or
T-Bar anywhere that is convenient on the jobsite.

• A Modular GPS receiver, such as the SPSx50, which incorporates a GPS receiver,

power supply, and base station radio in a single unit. The GPS antenna (and,
optionally, the base station radio antenna) is separate from the receiver. Because
the GPS antenna is separate, you can use the following optimized components:

– a geodetic antenna with large ground plane, to eliminate multipath (the

major source of GPS errors) at the base station

– a high gain or directional radio antenna, to increase broadcast range and to

provide maximum coverage

You can also place a modular GPS receiver in an easily accessible and secure
location, safe from theft and the weather, while the antennas are placed high on
a tower or building, clear of obstructions and able to deliver maximum
performance.

You can use either type of receiver in a permanent, semi-permanent, or daily quick
setup configuration. If semi-permanent or permanent operation is required, however,
the modular receiver delivers significant advantages.

30 SPSx50 Modular GPS Receiver User Guide