User Guide

u-center-User Guide
UBX-13005250 - R18
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Production Information 10 Troubleshooting
Page 64 of 67
10 Troubleshooting
NMEA or UBX protocol is not available in the Messages View
u-center uses dynamic link libraries (DLL). The installation program will automatically install the required DLLs into
the u-center program directory. Should you try to copy a u-center installation from one location to another, make
sure you also copy the DLL files. Verify, the version of u-center matches the DLL version.
u-center doesn't display all messages
Make sure the baud rate is sufficient. If the bandwidth is insufficient, receivers will skip excessive messages. Some
serial port cards/adapters (i.e. USB to RS232 converter) frequently generate errors. If a communication error occurs
while u-center receives a message, the message will be discarded.
Some COM port are not shown in the port list
Only the COM ports that are available on your computer will show up in the COM port drop down list. If a COM
port is grayed out, another application in the computer is using it.
PC is very slow when u-center runs
If a high value of epochs is selected, the display in real-time cannot be guaranteed, especially when many graphical
views are open. u-center does not update minimized views and console in real-time. Close or minimize as many
of the graphical views and consoles as possible and u-center will run faster.
Log file/data are only partly displayed
The number of epochs displayed in u-center can be limited in order to allow an efficient analysis of larger logfiles.
When this limit is set then the oldest values will be discarded after the database reaches this limit size. Data stored
to a log file are not affected by the database limitation. Refer to Database limitations for instructions on how
to increase or remove this limit. When planning long-term observations, it's recommended to start recording a
log file before analysis begins.
Output messages are not updated in the Messages View
Make sure that the protocol you would like to receive is enabled. If so, double-click on the desired output message.
Double-clicking on an output message enables or disables the periodic message update if the respective protocol
is active. Alternatively, select the desired input or output message and press the "Poll" button. If you would like
to get UBX-INF-* messages in the log file, configure the receiver accordingly with the UBX-CFG-INF input
message.
No logfile is recorded
After a new logfile is created, logging will not automatically start but only after selecting the Record button in
the Player Toolbar.