User's Manual

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Table Of Contents

USER GUIDE
Legal Notices
Safety Information
- Regulations and safety
- Type approval
- Exposure to radio frequency radiation
- Installing antennas
- Battery safety
Contents
Introduction
- About the SPSx80 Smart GPS antenna
- About the SPSx81 Smart GPS antenna
- Related Information
- Technical Support
- Your Comments
Features and Functions
- Overview
- SPS780 Smart GPS antenna features
- SPS781 Smart GPS antenna standard features
- SPS880 Extreme Smart GPS antenna standard features
- SPS881 Extreme Smart GPS antenna standard features
- Use and care
- COCOM limits
- Parts of the receiver
  - Front panel
  - Lower housing
- Button functions
- LED behavior
  - LED flash patterns
Batteries and Power
- External power
- Battery safety
- Battery performance
- Charging the Lithium-ion batteries
- Storing the Lithium-ion battery
- Disposing of the rechargeable Lithium-ion battery
Setup Guidelines
- Base station operation guidelines
  - Base station components
  - Base station setup guidelines
- Rover operation guidelines
  - Rover receiver components
  - Rover receiver setup guidelines
- Cellular modem and external radio
Setting up the Receiver
- Connecting the receiver to external devices
  - Trimble controller with SCS900 Site Controller software
  - External radio-modems
- Common ways to set up a base station
- Common ways to set up a rover receiver
Configuring the Receiver Settings
- Using the SCS900 Site Controller software to configure the base station, the rover, and the radios
- Configuring the receiver to log data for postprocessing
- Configuring the receiver in real time
- Configuring the receiver using application files
- Creating and editing the configuration files that control the receiver
AutoBase Feature
- Setting Up a Base Station
  - Best practice
  - Antenna type
- Scenarios
- AutoBase process
Default Settings
- Default receiver settings
- Resetting the receiver to factory defaults
- Default behavior
- Power up settings
- Logging data
  - Logging data after a power loss
Specifications
- General specifications
- Physical specifications
- Electrical specifications
- Communication specifications
- GPS satellite signal tracking
- Integrated radio options
- Variable configuration options
NMEA-0183 Output
- NMEA-0183 message overview
- Common message elements
  - Message values
- NMEA messages
- ADV
- GGA
- GSA
- GST
- GSV
- HDT
- PTNL,AVR
- PTNL,GGK
- PTNL,PJK
- PTNL,VGK
- PTNL,VHD
- RMC
- ROT
- VTG
- ZDA
GSOF Messages
- Supported message types
- General Serial Output Format
- Reading binary values
  - INTEGER data types
- GSOF message definitions
Adding Internal Radio Frequencies
- Adding receive frequencies for the 450 MHz internal radio
Real-Time Data and Services
- RT17 Streamed Data service
- Login authentication
Upgrading the Receiver Firmware
- The WinFlash utility
  - Installing the WinFlash utility
- Upgrading the receiver firmware
Data Logging and Postprocessed Measurement Operations
- Connecting to the office computer
- Transferring files directly from a CompactFlash card
- Deleting files in the receiver
- Supported file types
Troubleshooting
- LED conditions
- Receiver issues
- Base station setup and static measurement problems
Glossary

G Troubleshooting

126 SPSx80 and SPSx81 Smart GPS Antennas User Guide

Base station setup and static measurement problems

This section describes some possible station setup and static measurement issues,

possible causes, and how to solve them.

Trimble recommends that you use the SCS900 software to restart or configure base

and rover receivers. The SCS900 software sets up all radio and receiver operating

parameters, and is the most likely route to a successful problem resolution once you

have checked all connections, cables, and batteries.

The receiver is not

responding.

Receiver needs a soft reset. Turn off the receiver and then turn it

back on again.

Receiver needs a full reset. Press

for 30 seconds.

Note – To retain data files,

download the files (SPS780) first.

Issue Possible cause Solution

Base station is not

broadcasting.

Port settings between base

receiver and external radio

are incorrect.

Note – The Smart GPS

antenna has the option for an

integrated Tx radio that

allows it to be used without

an external radio at the base

and rover location. The Smart

GPS antenna can also be

connected to an external high

power radio in certain

countries.

Using the Trimble SCS900 Site

Controller software connect to the

radio through the receiver. If no

connection is made, connect directly

to the radio and change the port

settings. Try to connect through the

receiver again to ensure that they

are communicating.

Note – The SCS900 software does

not support direct connection to the

external radio; it only allows

configuration through the receiver.

The TRIMMARK 3 and SNB900 radios

can be configured directly using the

keypad and display. The Trimble PDL

or Trimble HPB radios can be

configured using the accompanying

configuration software through a

laptop computer.

Faulty cable between receiver

and external radio

• Try a different cable

• Examine the ports for missing

pins

• Use a multimeter to check the

pins

No power to radio If the radio has its own power

supply, check the charge and

connections.

No Bluetooth connections Make sure that the radio and

receiver are within Bluetooth range

of each other and that the Bluetooth

antennas are visible to each other.

Issue Possible cause Solution