USGlobalsat EM-506 - Manual (Page 16)

EM-506
High Performance GPS Module
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Format:
＄PSRF102,<Baud>,<DataBits>,<StopBits>,<Parity>*CKSUM<CR><LF>
<baud> 1200,2400,4800,9600,19200,38400
<DataBits> 8
<StopBits> 0,1
<Parity> 0=None, Odd=1,Even=2
Example: Set DGPS Port to be 9600,8,N,1
＄PSRF102,9600,8,1.0*12
D). Query/Rate Control ID: 103 Query standard NMEA message and/or set output rate
This command is used to control the output of standard NMEA message GGA, GLL, GSA, GSV,
RMC, VTG. Using this command message, standard NMEA message may be polled once, or
setup for periodic output. Checksums may also be enabled or disabled depending on the needs of
the receiving program. NMEA message settings are saved in battery backed memory for each
entry when the message is accepted.
Format:
＄PSRF103,<msg>,<mode>,<rate>,<cksumEnable>*CKSUM<CR><LF>
<msg> 0=GGA,
1=GLL,
2=GSA,
3=GSV,
4=RMC,
5=VTG
6=MSS(if internal beacon is supported)
7=Not defined
8=ZDA(if 1PPS output supported)
9=Not defined
<mode> 0=SetRate
1=Query
2=ABP On
3=ABP Off
<rate> Output every <rate>seconds, off=0,max=255
<cksumEnable> 0=disable Checksum,1=Enable checksum for specified message
Example 1: Query the GGA message with checksum enabled
＄PSRF103,00,01,00,01*25
Example 2: Enable VTG message for a 1Hz constant output with checksum enabled