GSM/GPRS/GNSS Module Series
MC90-TE-A User Guide
MC90-TE-A_User_Guide 17 / 21
(3) Insert the plug of the 5V power adapter. Turn the S202 switch to
ON
state on the EVB. The LED D503
on the EVB will be lighted.
(4) Send
AT+QGNSSC=1
command via main UART to turn on the GNSS part, and the LED D102 on
MC90-TE-A will be lighted. For details of the corresponding AT commands, please refer to
document
[1]
.
(5) NMEA data will be received via UART3 and PMTK commands can be sent via UART3.
(6) The PowerGPS tool can be used to view the status of GPS&GLONASS receiver conveniently. When
the tool is opened, the user interface shown as below will be displayed.
Figure 11: User Interface of PowerGPS Tool
5.4. Firmware Upgrade through Main UART Port
(1) Switch the S101 and S102 on MC90-TE-A to
ON
state.
Figure 12: Switch S101/S102 to ON State
