Updating the firmware
Steps:
Download the latest Piksi Multi firmware file from Sentera or Swift Navigation
Place the PiksiMulti-vX.X.X.bin file onto a thumb drive, ensure it is the only file on that drive
Place the thumb drive into the USB slot on the RTK Backpack
Install the payload into the PHX
Power on the PHX
Let the aircraft and Payload boot, then wait 5 minutes for the firmware to be updated
Reboot the aircraft
Verify the payload is able to obtain a GPS fix (RTK not required)