iSXblue/SXBlue II GNSS Series Technical Reference Manual
79
Configuration (Command)
Setting
Elevation Mask ($JMASK)
5
Residual Limit ($JLIMIT)
10
Altitude Aiding ($JALT)
None
Age of Differential ($JAGE)
45 minutes
Air Mode ($JAIR)
Auto
Differential Type ($JDIFF)
Default for Application
NMEA Precision ($JNP)
5 decimals
COG Smoothing ($JTAU,COG)
None
Speed Smoothing ($JTAU,SPEED)
None
The board-level defaults are different than the factory default settings. The configuration files for factory
default settings are found as Utilities in the supplied CD-ROM.
This message has the following format:
$JRESET<CR><LF>
$JRESET,ALL<CR><LF>
does everything $JRESET does, plus it clears almanacs.
$JRESET,BOOT<CR><LF>
does everything $JRESET,ALL does, plus the following:
• Clears use of the Real-Time clock at startup
• Clears use of backed-up ephemeris and almanacs
• Re-boots the receiver when done
When the ‘,ALL’ field is present (without the square brackets), the almanac is also defaulted. Issuing this
command with this optional data field is not usually necessary.
5.2.14
$JSAVE
Sending this command is required after making changes to the configuration of the iSXBlue/SXBlue II
GNSS receiver.
This command has the following structure:
$JSAVE<CR><LF>
The iSXBlue/SXBlue II GNSS will reply with the following two messages. Ensure that the receiver
indicates that the save process is complete before turning the receiver off or changing the configuration
further.
$> Saving Configuration. Please Wait...
$> Save Complete