6
GPS OPERATION (ADVANCED)
6-39
GPS items
GPS Sentence
(Default: GGA)
[MENU] > GPS > GPS TX Mode > NMEA >
GPS Sentence
Selects sentences to be transmitted in the GPS mode
to transmit position data� Set to between RMC, GGA,
GLL, VTG, GSA, and GSV�
NOTE:
Set the GSV sentence to OFF when
sending the GPS message to conventional digital
transceivers� (p� 6-4)
The GSV sentence is incompatible with them�
L
Information
• 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 position has been manually set�
GPS Message
[MENU] > GPS > GPS TX Mode > NMEA >
GPS Message
Enter a GPS message of up to 20 alphanumeric
characters� (p� 6-21)
NOTE:
When you do not want to send a message,
delete the entered message�
GPS Information
[MENU] > GPS >
GPS Information
Displays the GPS satellite direction, elevation angle,
satellite number, and receiving status� (p� 6-11)
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)