Operation Manual

2
1. Introduction
1.1 Overview
1.2 Features
The GR-271 provides a host of features that make it easy for integration and use.
z 20 parallel satellite-tracking channels for fast acquisition and reacquisition
z Built-in hardware tracking loop processor WAAS/EGNOS demodulator
z Low power consumption with starШ chipset
z Built-in rechargeable battery for memory and RTC backup and for fast time to first fix(TTFF)
z Support NMEA0183 v2.2 data protocol and SiRF binary code
z Enhanced algorithms-SnapLock and SnapStart provide superior navigation performance in urban,
canyon and foliage environments
z Support CF card type I connector suitable PDA, Hand Held PC or PC device