iSXblue/SXBlue II GNSS Series Technical Reference Manual
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Table 5-2 General Commands
Message
Description
$JASC,Dx
Command to turn on diagnostic information.
$JAIR
This is a command to place the receiver into ‘AIR’ mode where the receiver will respond better to
the high dynamics associated with airborne applications.
$JASC,VIRTUAL
This command is used to output RTCM data fed into the other port, through the current port.
$JALT
This command is used to set the altitude aiding mode of the GPS inside the iSXBlue/SXBlue II
GNSS.
$JLIMIT
This command is used to set the threshold of estimated horizontal performance.
$JAPP
This command is used to query the current applications and also choose the current application.
$JBAUD
Baud rate change command for the iSXBlue/SXBlue II GNSS.
$JCONN
Virtual circuit command used to interface to communicate with the menu system microprocessor.
$JDIFF
This command is used to set the differential mode.
$JK
This command is used to subscribe certain features of use of the iSXBlue/SXBlue II GNSS.
$JPOS
This command is used to provide the iSXBlue/SXBlue II GNSS with a seed position to acquire a
SBAS signal more quickly upon start-up. This is not normally needed.
$JQUERY,GUIDE
This command is used to poll the iSXBlue/SXBlue II GNSS for its opinion on whether or not it is
providing suitable accuracy after the both SBAS and GPS have been acquired (up to 5 min)
$JRESET
This command is used to reset the configuration of the iSXBlue/SXBlue II GNSS.
$JSAVE
This command is used to save the configuration of the iSXBlue/SXBlue II GNSS.
$JSHOW
This command is used to query the iSXBlue/SXBlue II GNSS receiver for its configuration.
$JT
This command is used to poll the iSXBlue/SXBlue II GNSS for its receiver type.
$JBIN
This command is used to turn on the various binary messages supported by the receiver.
$JI
Command is used to get information from the receiver, such as serial number, activated
application and firmware version information.
$JBOOT
Allows you to reboot the receiver to drop the satellite to which it is currently locked.
The following subsections provide detailed information relating to the use of each command.
Note - Please ensure that you save any changes that you wish to survive beyond the current power-
up by using the $JSAVE command and wait for the ‘
$> Save Complete’
response.
5.2.1
$JASC,D1
This command allows you to adjust the output of the RD1 diagnostic information message from the
SXBlue II GPS receiver.
This command has the following structure:
$JASC,D1,r[,PORTx]<CR><LF>
Currently, only the RD1 message is defined, with x = 1. The message status variable ‘r’ may be one of
the following values:
r
Description
0*
OFF
1
ON
When the ‘,PORTy’ data field is specified (without the square brackets), this command will enact a
change in the RD1 message on the specified PORTA, PORTB or PORTC.
