Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Holux GR-271
Summary of Contents for Holux GR-271
- Page 1 GR-271 CF GPS Receiver User’s Guide Aug 17, 2006...
-
Page 4: Table Of Contents
TABLE OF CONTENTS 1. Introduction ……………………………………………………………………………………….. 1.1 Overview …………………………………………………………………………………….. 1.2 Features …………………………………………………………………………………….. 2. Brief Information ……………………………………………………………….………………… 2.1 Hardware Interface …………………………………………………………………………… 2.2 Software Interface …………………………………………………………………………… 3. Functional Test ………………………………………………………………………….…… 4. Trouble Shooting …………………………………………………………………………….… 5. Specifications ………………………………………………………………………………………. 6. Warranty ………………………………………………………………………………………………... -
Page 5: Introduction
1. Introduction 1.1 Overview 1.2 Features The GR-271 provides a host of features that make it easy for integration and use. 20 parallel satellite-tracking channels for fast acquisition and reacquisition Built-in hardware tracking loop processor WAAS/EGNOS demodulator Low power consumption with starШ chipset Built-in rechargeable battery for memory and RTC backup and for fast time to first fix(TTFF) Support NMEA0183 v2.2 data protocol and SiRF binary code... -
Page 6: Brief Information
2. Brief Information 2.1 Hardware Interface 2.1.1 GR-271 Dimension 93.5 (L) x 43 (W) x 11 (H) mm 2.1.2 Hardware Interface External Antenna Connector... - Page 7 A. Link to PDA B. Link to NoteBook...
-
Page 8: Software Interface
GR-271 CF GPS Receiver Signal Position Fixed. ◆ External Antenna Connector (MCX)…..Optional As using GR-271 CF GPS Receiver in a RV car, truck or bus, it might receive poor signals through limited view to the sky. Replace the foldable antenna with the active one to get better satellite signals. - Page 9 MSL Altitude Meters Units Meters Geoid Separation Meters Units Meters Age of Diff. Corr. second Null fields when DGPS is not used Diff. Ref. Station ID 0000 Checksum <CR> <LF> End of message termination Table 2-3 Position Fix Indicator Value Description 0 Fix not available or invalid GPS SPS Mode, fix valid...
-
Page 10: Rtcm Received Data
The default communication parameters for DGPS Input are 9600 baud, 8 data bits, stop bit, and no parity. Position accuracy of less than 5 meters can be achieved with the GR-271 by using Differential GPS (DGPS) real-time pseudo-range correction data in RTCM SC-104 format, with message types 1,2, or 9. As using DGPS receiver with different... -
Page 11: Functional Test
GR-271 may decode the data correctly to generate accurate messages and save them in battery-back SRAM for later computing. 3. Functional Test ◆ Install Guide： 1. Install GPSViewer.exe from PC to your PDA(Microsoft Pocket PC OS or alike). - Page 12 2. Push “Start”→”programs” bottom→“ GPS Viewer” 3. Push “Scan” bottom to scan your Com Port. Select your Com Port (COM 1〜COM 10)， then push “Open GPS” bottom.
- Page 13 4. Select “GPS Status” to show the satellite diagram like below.
-
Page 14: Trouble Shooting
Reason Solution Connect an external antenna which locate as a Weak or no GPS signal can be received at the open space to your GR-271 CF GPS and then No position place of GR-271 CF GPS press Reset Button output but timer... -
Page 15: Specifications
5. Specifications Tracks up to 20 satellites. Receiver: L1, C/A code LED function: Snap Start: <3 sec(at < 25 minutes off power On/Off and Navigation period). Update Indication Update rate: 1 HZ. Operation Temperature: Acquisition time to +70 Reacquisition 0.1sec.averaged Store Temperature: Hot start 8 sec., averaged... -
Page 16: Warranty
6. Warranty The GR-271 is warranted to be free from defects in material and functions for one year from the date of purchase. Any failure of this product within this period under normal conditions will be replaced at no charge to the customers.
Need help?
Do you have a question about the GR-271 and is the answer not in the manual?
Questions and answers