ZED-F9R - Application note
UBX-22035176 - R01 Contents Page 8 of 30
C1-Public
The receiver firmware can be updated via the firmware update utility in u-center:
1. Open u-center and connect it to the receiver.
2. Open the firmware update utility from Tools > Firmware Update.
3. Select the target firmware image file in the Firmware image field.
4. If connected through UART, check the Use this baudrate for update box and select a higher
baudrate to make the update faster. The receiver does not need to be configured separately for
this step.
5. Press the green Go button in the bottom left corner to start the update process.
6. The receiver is ready to be used once the console output states that the update completed
successfully.
7. The new firmware version can be confirmed with the UBX-MON-VER message.
Figure 2: u-center firmware update
2.3 Storing configuration settings
ZED-F9R is fully configurable with UBX configuration interface messages. The configuration
database in the receiver's RAM holds the current configuration that is used by the receiver at run-
time. It is constructed on start-up of the receiver from several sources of configuration. The
configuration interface and the available keys are described in the F9 HPS 1.30 Interface description
[2].
Memory layer Description
RAM The configuration settings stored in RAM remain effective until power-down or reset
BBR (battery-backed RAM) The configuration settings are stored as long as the backup battery supply remains
Flash memory Permanent storage of configuration settings
Table 1 Memory layers for storing configuration settings