Altina GGM308U manual Overview, Product Feature

1 OVERVIEW

Congratulation on your purchase of Altina, which manufacture and provide various GPS applications. Altina’s GGM308U GPS Receiver provides you various applications such as car navigation, marine navigation, mapping, surveying, security, agriculture and so on. It communicates with device (such as PocketPC or notebook) via compatible dual-channel through RS-232 or TTL and saves satellite data by built–in backup memory. Low power consumption technology enables GGM308U and your device to save more operating power. Furthermore, GGM308U can track up to 12 satellites at a time, re-acquire satellite signals in 100ms and update position data every second. Trickle-Power allows the unit to operate a fraction of the time, and Push-to-Fix permits user to have a quicker position fix even though the receiver stays off.

2 PRODUCT FEATURE

SiRF Star Ⅱe/LP ”High Performance and Low Power Consumption Chipset

Integrated ARM7TDMI CPU

Cold Start : within 45 seconds.

A rechargeable battery sustains internal clock and memory and can be recharged during normal operation.

All-in-View 12-channel parallel processing.

Support NMEA 0183 V2.2 command

Optional communication levels, RS-232 and TTL

Reacquisition Time: 0.1 seconds

Support Accurate 1PPS Output Signal Aligned with GPS Timing

Water proof design enable receiver to continuously operate for 4 days under 1meter water deep.

Built-in hardware Tracking Loop Processor WAAS/EGNOS Demodulator and NDGPS/U.S. Coast Guard Beacon support

Obvious LED display status: LED provides users visible positioning status. LED

“ON” : power connected; “BLINKING”: positioned.

Differential capability utilizes real-time RTCM corrections to provide 1-5 meter precise position accuracy.

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