Locosys GT-31 Owner's Manual page 37

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Log Switch
Min Speed
NMEA Items
File Size
When the card is
correctly inserted
Format Card
Remove Card
Highlighted items are being activated.
SBN format is mutually exclusive with other NMEA items.
NMEA-0183 sentences:
GGA: Global Positioning System fixed data
GLL: Geographic position - latitude/longitude
GSA: GNSS DOP and active satellites
GSV: GNSS satellites in view
RMC: Recommended minimum specific GNSS data
VTG: Course over ground and ground speed
ZDA: Date and time
SBN: SiRF binary logging (non-NMEA)
Please refer to NMEA 0183 format for further details.
NMEA-0183 format is defined by the National Marine Electronics Association (NMEA),
Standard for Interfacing Marine Electronic Devices, Version 2.20, January 1, 1997.
Memory Card
(continued)
GGA is being set to
log at 1-second rate.
GLL is being set not
to log.
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