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3 Getting started
3.1 Software installation
The latest version of u-center is needed for the examples and procedures described in this document. Internet
access is also required during the software installation to ensure that the most up-to-date components are
installed on your system. After installation, the u-center application can be found in the"u-blox" folder in the
Start->Program menu.
3.2 NEO-M8P and radio modem firmware
Before starting evaluation, check that the application boards are using the latest firmware for both the NEO-M8P
and radio modem modules.
If you have received C94-M8P-E PCB variants these units will have the latest HPG1.40 firmware on the NEO-M8P
and the latest production radio modem firmware. If you are intending to use a wired RTCM3 serial connection,
the radio firmware will not need updating.
The following points describe the update rates possible using wireless or wired connection modes.
The NEO-M8P used in wireless connection mode will operate at up to 4 Hz (GPS only), 3 Hz (Dual
constellation) for standard RTK operation and 1 Hz for the moving baseline (MB) modes. However, the
maximum rate the radio can transmit is range and environment dependent. It is recommended in
standard RTK mode that the Base is run at 1 Hz while the Rover is run at a higher rate if needed.
The NEO-M8P used in wired connection mode will operate at up to 5 Hz (Dual constellation) and 8 Hz
(GPS only) in standard RTK mode. For moving baseline mode with M8P firmware HPG1.40, this reduces
to 4 Hz (Dual constellation and GPS only).
The latest NEO-M8P firmware is available on the u-blox web site. To find the NEO-M8P firmware variant use the
MON-VER message as shown in section 5.2.6 (Figure 25) of the u-center User Guide [4]. For updating the M8P
firmware, follow the steps described in section 8.1 in the u-center User Guide [4].
Note the following points when updating the NEO-M8P firmware:
All the changes in the M8P configuration are lost when the firmware is updated. The Base and Rover
must be re-configured after updating.
Do not have more than one application board connected to your computer while updating
The M8P UART baud rate and the radio modem baud rate will need to be matched if the C94 radio
firmware is updated from the earlier delivered radio modem firmware. The current production radio
modem firmware defaults to 19200 Baud and the M8P UART speed will need this setting and not 9600
baud as used in the earlier radio modem firmware. Use the M8P CFG-PRT UART command as shown in
section 4.2.4.
The radio modem firmware needs to be the current production firmware for the C94 variant used. To see if the
C94 radio modem needs a firmware update, check your C94 PCB version and the delivered M8P firmware
version shown in the Table 8 and Table 9.
You can verify the radio modem firmware version by using the AT 'I' command when connected to the radio
modem through the standard 9 Pin D-type serial connector J1. See Appendix B Radio communication link
configuration.
For updating the radio modem firmware, see Appendix C.
UBX-15031066 - R07
Early Production Information
C94-M8P - User Guide
Getting started
Page 9 of 47
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