Cayman Systems 2E-H-W Manual de usuario descargar pdf (Pagina 39)

NMEA Manual based on MediaTek chipset - Manual

Revision history

Revision Date Name Status / Comments

1.0 02.June.2009 kkai Initial release

1.1 09.Jun.2009 kkai

Added chapters 2.9.1 and 2.92. Fixed some typos. Added notes to

2.14.2 and 2.14.3.

1.2 15.Sep.2009 kkai

Added numbering into command title. Removed chapter 2.14.2 and

2.14.3.

1.3 09.Oct.2009 kkai Added description of default output messages.

1.4 20.Nov.2009 kkai Some changes to command 300 text.

1.5 17.Feb.2010 kkai Addition to GGA message status field.

Added clear EPO and query EPO status commands.

Integrated reply messages to configuration commands.

1.6 18.Apr.2010 kkai GGA message fix valid indicator values updated.

Note for enabling SBAS with PMTK313.

Added note about supported NMEA messages.

1.7 21.Jul.2010 kkai Added datums. Fixed PMTK30x responses.

1.8 31.Aug.2011 kkai PMTK390: modified msg support.

Changed lockbit to zero on example.

Added message descriptions:

GLL – Geographic position

VTG – Course and speed

ZDA – Time and date

1.9 23.Feb.2012 kkai Added support to IT530 specific commands and messages.

PMTK010 added two items.

PMTK127 Clear EPO file.

PMTK161 Enter standby mode.

PMTK120 Clear Flash aid.

PMTK225 Set Periodic Mode.

PMTK286 Enable AIC.

PMTK300 Set Fix Interval.

PMTK352 Set QZSS support.

PMTK183 LOCUS query logging status.

PMTK184 LOCUS erase flash.

PMTK185 LOCUS stop logger.

PMTK186 LOCUS log now.

PMTK869 Enable or disable EASY

2.0 kkai

Some notes added to PMTK225 Set Periodic Mode. Notes added on

messages

that are not supported in all IT500 series receivers. Corrected

checksum on examples.

Added messages:

PMTK223 SET AL DEE CFG

PMTK351 SET support for QZSS NMEA format

PMTK352 SET QZSS SUPPORT

PMTK353 API SET GNSS SEARCH MODE

PMTK386 API SET STATIC NAV THD MT333X

PMTK740 SET UTC TIME

PMTK741 SET INITIAL POSITION AND TIME

2.1 kkai Added GNSS message support to default output messages.

A 31.Jan.2013 julu Converted to u-blox version

A1 11.Jun.2013 julu

Update format of satellites number in GGA message. Update some

return messages of PMTK commands.

A2 05.Aug.2013 julu

Corrected checksum of To Disable EASY command (PMTK869),

corrected PMTK352 command description.

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