12-40
12. GPS OPERATION (ADVANCED)
GPS SET
»
GPS > GPS TX Mode > NMEA
GPS Sentence (Default: GGA)
Selects sentences to be transmitted in the GPS
mode to transmit position data. The selectable
sentences are RMC, GGA, GLL, VTG, GSA, and
GSV.
NOTE: Set the GSV sentence to OFF when
sending the GPS message to conventional
digital transceivers. (p. 12-1)
The GSV sentence is incompatible with them.
LInformation
• Up to 4 GPS sentences can be set at a time.
• Displays “✓” when the sentence is set to ON.
• “VTG,” “GSA,” and “GSV” sentences are not
transmitted when your location has been manually
set.
GPS Message
Enter a GPS message of up to 20 alphanumeric
characters. (p. 12-18)
NOTE: When you do not want to send a
message, delete the entered message.
»
GPS
GPS Information
Displays the GPS satellite direction, elevation
angle, satellite number, and receiving status.
(p. 12-7)
TIP: Contents of GPS sentence
The Time Stamp is displayed based on the UTC (Universal Time Coordinated) time.
Sentence Lon/Lat Alt
GPS Time
Stamp
(UTC)
Date
(UTC)
Status 2D/3D
COG
(True)
SOG
(knot)
RMC
✔ ✔ ✔ ✔ ✔ ✔
GGA
✔ ✔ ✔ ✔
GLL
✔ ✔ ✔
VTG
✔ ✔
GSA
✔ ✔
GSV
Sentence Others
RMC Magnetic variation, Mode Indicator
GGA
Number of satellites in use, HDOP, Geoidal separation, Age of Differential GPS data,
Differential reference station ID
GLL Mode Indicator
VTG COG (Magnetic north), SOG (km/h), Mode Indicator
GSA PRN number of satellites used in solution, PDOP, HDOP, VDOP
GSV
Total number of sentences, Sentence number, Total number of satellites in view,
Satellite information (ID, Elevation, Azimuth, S/N)
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