Garmin GPS 25 LP Technical Specification

Garmin GPS 25 LP Technical Specification Manual pdf 37 page image

33Appendix CGPS 25LP Evaluation KitsGPS 25LP evaluation materials kit (part number 010-10197-00) is available fromGARMIN international. This kit includes two DB-9 connectors with solder pots, GA27AGPS antenna with various mounting brackets, two 12 inch 12 conductor connectors,technical specification, and software to monitor the GPS 25LP outputs and configurethe receiver.To install the evaluation and configuration software run the program, setup, by usingthe FILE - RUN command in Windows.The NMEAVWR.EXE program in the GARMIN program group can accept NMEA datafrom either the com1 or com2 PC serial port at 1200, 2400, 4800, 9600 or 19200 baud.The default settings are com1 at 4800 baud. NMEAVWR receives NMEA sentencesand displays sentence information in a formatted display on the screen. The topportion of the screen displays the 5 character identifier of sentences received, the agein seconds since the last transmission, and a count of the number of times thesentence has been received. The middle portion of the screen displays the mostrecently received data in the sentence with the selected NMEA identifier (highlighted inthe top portion of the screen using the arrow keys). The lower portion contains aformatted presentation of the currently selected sentence. In addition to receiving datathe program will also upload NMEA sentences to the sensor board. The ALT-U keysequence will upload the file NMEA.TXT in the current directory to the unit. Receiveddata can also be logged to a file. NMEAVWR can be invoked from a DOS prompt:nmeavwr [/b:] [] [log_file.txt]where:[ ] brackets indicate optional parameters DOS path to nmeavwr.exe if not in current directory baud rate PC communications portlog_file.txt ASCII log file of all received sentencesExample:c:\garmin>nmeavwr /b:9600 com2 log_file.txtIf no options are used, the defaults are 4800 baud, com1, and no data logging.The configuration program GPSCFG.EXE will configure the sensor boards based onuser selected parameters. Some program features include the ability to downloadsensor board configuration, maintain different configurations in files, and performsensor board configurations quickly with the use of one function key. Online programhelp is available.