NMEA Manual based on MediaTek chipset - Manual
FTX-HW-13002-A
Preliminary
Page 30 of 39
4
Firmware STATUS
4.1
PMTK605 QUERY FIRMWARE INFO
Command purpose:
Query the firmware release information.
Command number:
605
DataField:
NONE
Return:
PMTK705 DT RELEASE
Example:
$PMTK605*31<CR><LF>
Reply:
$PMTK705,AXN_1.50,1139,Fastrax IT500,*6C
4.2
PMTK607 QUERY EPO STATUS
Command purpose:
Query the status of EPO file loaded into flash memory.
Command number:
607
DataField:
‘0’ Status
Example:
$PMTK607,0*2F<CR><LF>
Reply:
PMTK707,56,1565,345600,1567,324000,1565,367200,1565,367200*1E
Explanation:
Receive: PMTK_DT_EPO_INFO
Number Epoch:56
First Epoch Week:1565
First Epoch TOW:345600
Final Epoch Week:1567
Final Epoch TOW:324000
Crnt Min Epoch Week:1565
Crnt Min Epoch TOW:388800
Crnt Max Epoch Week:1565
Crnt Max Epoch TOW:388800
4.3
PMTK660 Q AVAILABLE SV EPH
Command purpose:
Query valid ephemeris after specified interval.
Support PMTK660 which report valid ephemeris SV