Vector Sensor Reference Manual 57
instance and vice versa). The $JASC NMEA message discussed in Chapter 6 in details allows you
to turn messages on and off as you require.
4.4.1 This Port and the Other Port
The NMEA interface for both Vector Sensor serial ports use ‘This’ and ‘other’ terminology. When
interfacing to either port for the sake of turning data messages on or off, on that same port, the
port is referred to as ‘This’ port. If you wish to turn a data message on the opposite port, on or
off, that port is referred to as the ‘Other’ port.
For example, if you are communicating with the Vector Sensor Port B, and wish to turn the
GPGGA message on at an update rate of 5 Hz on Port A, the following command would be used.
$JASC,GPGGA,5,OTHER<CR><LF>
If you wish to turn the GPGGA message on at 5 Hz on Port B, you would issue the following
command.
$JASC,GPGGA,5<CR><LF>
When turning a message on or off on ‘This’ port, you do not need to indicate ‘This’ at the end of
the message. Consult Chapter 6 for more information on NMEA messages.
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