XT55 AVL User’s Guide
Confidential/Released
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XT55_avl_ug_V03
Page 27 of 37
28.06.2004
$PSRF103,
Msg,Mode,Rate,
CecksumEnable,
*XX
This command is used to control the output of standard NMEA messages GGA,
GLL, GSA, GSV, RMC and VTG. Using this command message, the standard
NMEA messages may be polled once, or setup for periodic output. Checksums
may also be enabled or disabled depending on the needs of the receiving
program. The NMEA message settings are saved in backup memory (as long as
the module is supplied with power) each entry when the message is accepted.
(Detailed information are available in [3])
Parameters description:
Msg:
// Configure the required message.
Defined values
00
// GGS message
01
// GLL message
02
// GSA message
03
// GSV message
04
// RMC message
05
// VTG message
Mode
// input values for required configuration
Defined values
00
// enables the rate parameter settings
01
// query the given message
Rate
// Setup the required update rate (unit is second)
Defined values
00…255
// Set the periodic rate in second on which a given
message has to be output
CecksumEnable
// Enable/disable the checksum
Defined values
00
// Disable Checksum
01
// Enable checksum
*XX
// CheckSum has to be calculated.
This command can be sent either from a directly connected XT55 or from one
communicating via a data line.
Example 1:
$PSRF103,00,01,00,01*25
Query the GGA message with checksum enabled
Example 2:
$PSRF103,05,00,01,01*20
Enable VTG message for a 1 Hz constant output with checksum enabled
Example 3:
$PSRF103,05,00,00,01*21
Disable VTG message
