Vector Sensor Reference Manual 74
The Vector Sensor will reply with the following response.
$>
6.4.2 $JAGE,age
This command allows you to choose the maximum allowable age for correction data. The default
setting for the Vector Sensor is 1800 seconds, however, you may change this value as you feel
appropriate. This setting inherently defines how long a receiver should coast using the COAST
feature.
Using COAST, the Vector Sensor is able to use old correction data for extended periods of time.
If you choose to use a maximum correction age older than 1800 seconds, we recommend that
you consider testing the receiver to ensure that the new setting meets your requirements as
accuracy will slowly drift with increasing time.
This command has the following structure.
$JAGE,age<CR><LF>
Where maximum differential age timeout variable, ‘age’, may be a value from 6 to 8100 seconds.
The Vector Sensor will reply with the following response.
$>
6.4.3 $JOFF
This command allows you to turn off all data messages being output through the current or other
port, including any binary messages.
This command has the following definition.
$JOFF[,OTHER]<CR><LF>
When the ‘,OTHER’ data field is specified (without the square brackets), this command will turn
on the four NMEA messages on the other port.
There are no variable data fields for this message. The Vector Sensor will reply with the following
response.
$>
6.4.4 $JMASK
This command allows you to change the elevation cutoff mask angle for the GPS engine. Any
satellites below this mask angle will be ignored, even if available. The default angle is 5 degrees, as
satellites available below this angle will have significant tropospheric refraction errors.
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