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NMEA Manual based on MediaTek chipset - Manual

3 Query commands

These commands are for querying the settings on the receiver.

3.1 PMTK400 API Q FIX CTL

Command purpose:

Query Position fix interval.

Command number: 400

DataField: None

Return:

$PMTK500,1000,0,0,0.0,0.0*1A

Example:

$PMTK400*36<CR><LF>

3.2 PMTK401 API Q DGPS MODE

Command purpose:

Query DGPS mode.

Command number: 401

DataField: None

Return:

$PMTK501,2*28

Example:

$PMTK401*37<CR><LF>

3.3 PMTK413 API Q SBAS ENABLED

Command purpose:

Query SBAS status.

Command number: 413

DataField: None

Return:

$PMTK513,1*28

Example:

$PMTK413*34<CR><LF>

3.4 PMTK414 API Q NMEA OUTPUT

Command purpose:

Query current NMEA sentence output frequencies.

Command number: 414

DataField: None

Return:

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Cayman Systems 2E-H-W Bedienungsanleitung Seite 29