Vector Sensor Reference Manual 113
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8.5 Power, Communication, and Configuration
Q - My Vector Sensor doesn’t appear to be communicating, what do I do?
A - This could be one of a few issues:
1. Examine the power cable and its connector for signs of damage.
2. Ensure that you are properly powering the system with the correct voltage by measuring
the voltage at the receiver end of the power cable when the cable is connected to the
power source.
3. Since you’re required to terminate the power input with your choice of connector, ensure
that you have made a good connection to the power supply.
4. Consult the troubleshooting section of the other devices reference manual to determine if
there may be a problem with that equipment.
Q - Am I able to configure the two serial ports with different baud rates?
A - Yes, the ports are independent. For instance, you may have one port set to 4800 and the
other to 19,200, or vice versa.
Q - Am I able to have the Vector Sensor output different NMEA messages through the two ports?
A - Yes, you may have different NMEA messages turns on for the two serial ports. Further, these
NMEA messages may also be at different update rates.
Q - How can I determine what the current configuration of the Vector Sensor is?
A - The $JSHOW<CR><LF> command will request the configuration information from the
Vector Sensor’s internal GPS engine. The response will be similar to the following output and is
described in detail in Chapter 6.
$>JSHOW,BAUD,19200
$>JSHOW,BIN,1,5.0
$>JSHOW,BAUD,4800,OTHER
$>JSHOW,ASC,GPGGA,1.0,OTHER
$>JSHOW,ASC,GPVTG,1.0,OTHER
$>JSHOW,ASC,GPGSA,1.0,OTHER
$>JSHOW,ASC,GPZDA,1.0,OTHER
You should also query each heading feature of the Vector Sensor to determine their settings, such as the
magnetic and tilt aiding using their associated commands.
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