NMEA Manual based on MediaTek chipset - Manual
FTX-HW-13002-A
Preliminary
Page 23 of 39
2.29
PMTK335 API SET RTC TIME
Command purpose:
This command sets RTC UTC time.
The command doesn’t update the GPS time, which is maintained by GPS receiver. After setting, the RTC
UTC time finally may be updated by GPS receiver with more accurate time after 60 seconds.
Command number:
335
DataField:
PMTK335,Year,Month,Day,Hour,Min,Sec
Year: Year
Month: 1 ~ 12
Day: 1 ~ 31
Hour: 0 ~ 23
Min: 0 ~ 59
Sec: 0 ~ 59
Example:
$PMTK335,2007,1,1,0,0,0*02<CR><LF>
Reply:
$PMTK001,335,3*35<CR><LF>
2.30
PMTK351 SET QZSS NMEA FORMAT
Command purpose:
The receiver supports the new NMEA format for QZSS. The command allows the user to enable or disable QZSS
NMEA format. Default is to disable QZSS NMEA format (use NMEA 0183|V3.01).
Command number:
351
DataField:
PMTK351,Enabled
Enabled:
‘0’: Disable
‘1’: Enable
Example:
$PMTK351,0*29: Disable QZSS NMEA format
$PMTK351,1*28: Enable QZSS NMEA format
Reply:
$PMTK001,351,3*37<CR><LF>
This message applies only for MT333X based receivers IT530, IT530M, UC530 and UC530M.
2.31
PMTK352 SET QZSS SUPPORT
Command purpose:
Since QZSS is a regional positioning service, the command allows the user to enable or disable the QZSS
function.
Default is to enable the QZSS function.
Command number:
352
