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6
Preface
The objective of The FV-25 User’s Guide is to help users to understand the properties
of FV-25 thoroughly and, therefore, obtain the maximum performance from the
module easily. This document describes and provides the useful information the
FV-25 module, which includes the functions of pins on the module, configuration
setting, utility, and evaluation kit. It will help users understand the capability of the
module and, therefore, successfully integrate the FV-25 into users’ GPS systems. Each
chapter is one of the pieces for the module and carries its own purpose. The following
summary for each chapter and appendix shall help a user to navigate the user’s guide
as easily and quickly as possible.
Chapter 1 Introduction
This chapter describes the main goal, features, and available supports for the FV-25
module.
Chapter 2 Start
This chapter depicts the definitions of pins on the module and gives an example
reference layout of peripheral connections around the module. The utility,
“Sanav_Demo.exe”, is used to display satellite and receiver information and set
configuration for FV-25. All the information about “Sanav_Demo.exe” is introduced
step-by-step.
Chapter 3 Alternative Start
This chapter suggests an alternative utility, HyperTerminal, for users to show satellite
and receiver information in terms of NMEA sentences. Also, HyperTerminal can be
used to save data in the host platform and set configuration to the module. Only the
basic operations for desired actions (display, save, and configuration setting) are
introduced.
Chapter 4 Navigation
This chapter describes all the information of GPS navigation data available from the
module and related issues, such as cold start, warm start, hot start, DGPS, and so on.
It also shows corresponding configuration settings for the issues in this chapter.
Chapter 5 Evaluation Kit
This chapter depicts the physical mechanism and functions of evaluation kit for
FV-25.
Chapter 6 Antennas
This chapter describes the pro and con for using passive and active antennas with the
module.