Programming Manual 70
$JATT,MAGCLR<CR><LF>
Once the command has been issued, the vessel needs to rotate 360° three
to four times. The following command can be sent during the calibration
procedure to ‘ask’ the Vector if the calibration is complete and if so, to
automatically save it to memory for subsequent power cycles.
$JATT,MAGCAL<CR><LF>
If the Vector system is reinstalled in a different location, even on the same
vessel, you will need to clear the calibration table with the $JATT,MAGCLR
command and complete the new calibration.
Note - It is very important to perform the calibration only after
the installation of the Vector has been confirmed to be complete.
If the Vector’s location is changed, you will need to clear the
calibration and recalibrate. A valid GPS heading is required during
the calibration process.
8.5 $JATT,GYROAID
The Vector’s internal gyro is not used by default, however it can offer two
benefits. It will shorten reacquisition times when a GPS heading is lost, due
to obstruction of satellite signals, by reducing the search volume required for
solution of the RTK. It will also provide an accurate substitute heading for a
short period (depending on the roll and pitch of the vessel) ideally seeing the
system through to reacquisition.
Should you wish to use gyro-aiding, you will need to turn it on using the
following command.
$JATT,GYROAID,YES<CR><LF>
If you wish to turn this feature off, the use the following command.
$JATT,GYROAID,NO<CR><LF>
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