Altina GGM308U User Manual

 

 

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. 

 

  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. 

 

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  Differential capability utilizes real-time RTCM corrections to provide 1-5 meter 

precise position accuracy.