Rev 1.2 Nov.18
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3
3: Function Testing
Preparation for Power and Data
Communication
1.
Connect USB cable between the PC and UART port of USB port of the Devel-
opment Kit.
·
The PC supplies power for the development kit and transmits data.
·
Make sure the Power LED Indicator (LED1) is lit.
2.
The 1PPS LED Indicator (LED2) indicates fix status:
·
1PPS LED Indicator is off: no fix status
·
1PPS LED Indicator is blinking (with a green light): 3D fix status
Figure 3-1: Power is On and Module is Ready for Data Connection
3.
Push button SW2 to power reset the development kit.
4.
Push button SW3/SW4 to wake the module up from sleep mode.
5.
Use the Boot ROM to upgrade firmware on the GNSS module. Refer to the
following steps:
a.
Push SW1/SW5 until the module is powered on.
b.
Connect the USB cable to the UART port. (The USB cable supplies power
and transmits data. Make sure that the Power LED Indicator, LED1, is on.)
c.
Release SW1/SW5.
d.
Use the GNSS Tool to upgrade the firmware.
