Section 10 - NMEA protocols
05/01/97 REV H
PAGE 49
Initiate self-test command ($PMCAG, 003)
This message requests a complete self-test of the GPS sensor. Test results
will be automatically output (output message
902
) on the primary out-
put port at completion of the self-test sequence:
$PMCAG,003*hh<CR><LF>
Example C: Request a complete self-test of the GPS
$PMCAG,003*47<CR><LF>
Request output message command ($PMCAG, 004)
This message asks the unit to output any NMEA data message one time
only:
$PMCAG,004,ccc*hh<CR><LF>
Valid message identifiers for
ccc
above are listed below in Table 27.
Example D: Request the approved sentence GPGGA
$PMCAG,004,GGA*2D<CR><LF>
Set output configuration command ($PMCAG, 005)
This message configures the output of the primary port. The message
contains the primary-port baud rate and the list of message identifiers
with the minimum time interval between consecutive transmissions.
Table 27: Output-configuration message identifiers
Longitude
1
°
33.48’ East
Altitude
35.35 m above mean sea level
Reserved
No character
Identifier
Description
900
Navigation status
GGA
GPS fix data
GLL
Geographic position (latitude/longitude)
GSA
GPS DOP and active satellites
GSV
GPS satellites in view
RMC
Recommended-minimum-specific GPS data
VTG
Track made good and ground speed
ZDA
UTC time and date
Data field
Contents
Summary of Contents for 8700
Page 2: ......
Page 10: ......
Page 16: ...Section 2 Introduction PAGE 6 05 01 97 REV H ...
Page 20: ...Section 3 Packaging PAGE 10 05 01 97 REV H ...
Page 32: ...Section 6 GPS beacon combination receivers PAGE 22 05 01 97 REV H ...
Page 46: ...Section 8 Input output configurations PAGE 36 05 01 97 REV H ...
Page 52: ...Section 9 Connector pinouts PAGE 42 05 01 97 REV H ...
Page 76: ...Section 12 8X00 engine monitor program PAGE 66 05 01 97 REV H ...
Page 78: ...Section 13 Glossary PAGE 68 05 01 97 REV H ...
Page 80: ...Section 14 Abbreviations and initialisms PAGE 70 05 01 97 REV H ...
Page 85: ...Index 05 01 97 REV H PAGE 75 ...