Icom IC-9700 - Transmitting NMEA Data; D Setting the GPS Data Sentence

8-19
8. GPS OPERATION (ADVANCED)
Transmitting NMEA data
Set a GPS sentence to transmit GPS data in the DV
mode.
D Setting the GPS data sentence
1. Open the NMEA SET screen.
MENU
» GPS > GPS TX Mode > NMEA
2. Touch “GPS Sentence.”
3. Select the GPS sentence.
• Displays “✓” when the sentence is set to ON.
L The selectable GPS sentences are RMC, GGA,
GLL, VTG, GSA, and GSV. The GGA sentence is set
to ON as the default GPS sentence.
L Pushing
QUICK
and touching “Default” returns to the
default setting.
4. Repeat step 3 to set the GPS sentence.
L Up to 4 GPS sentences can be set at a time.
5. To close the NMEA SET screen, push
EXIT
several times.
• Returns to the standby screen, then is
displayed.
NOTE:
• Set GSV Sentence to “OFF” when sending
the GPS message to a conventional digital
transceivers.
• If GPS Select is set to “Manual,” the transceiver
automatically sets the NMEA sentence, and
transmits it along with the manually entered
position data in Manual Position.
MENU
» GPS > GPS Set > GPS Select
MENU
» GPS > GPS Set > Manual Position
• Note that if GPS Auto TX is set to any other
option than “OFF,” data is automatically
transmitted according to the set time.
MENU
» GPS > GPS Auto TX
L If GPS Select is set to “OFF” or “Manual,” the GPS
Automatic Transmission function is not activated.
Contents of GPS sentence
Sentence Lon/Lat Alt UTC
Date
(UTC)
Status
2D
/3D
COG
(True)
SOG
(knot)
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)