Garmin Fishfinder 340C Owner's Manual page 47

To mark an underwater waypoint:
1. Make sure that your Garmin GPS or compatible NMEA
navigation device is properly attached and the
NMEA Input/Output is On (see
2. From a Sonar Page, press and hold PAUSE to enter Pointer
mode and pause the screen movement.
3. Use the ROCKER to move the cursor onto the target (for
example, an underwater drop off or stump) that you want to
mark. Data appears with the GPS coordinates, depth, and
surface temperature for that location.
4. Press ENTER. The New Waypoint Window appears with
a default four-digit name and the pointer's coordinates
automatically filled in.
Fishfinder 340C Owner's Manual
page 32).
U F
SING THE ISHFINDER
5. To change the name, highlight the name field, and press
ENTER.
6. Make your changes using the ROCKER. (Alphabetic and
numeric characters are available.) Press ENTER when you
are finished.
7. Use the ROCKER to move the field highlight to OK, and
press ENTER. The Fishfinder then sends a NMEA WPL
sentence to an attached GPS unit or NMEA navigational
device.
340C > M W
ARKING A AYPOINT
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