Furuno GP-3500 - Manual (Page 147)

9. CUSTOMIZING YOUR UNIT
9-35
NMEA FORMAT
Select NMEA0183 version 1.5 or 2.0 depending on the navigator connected.
TLL OUTPUT
Select ON to output L/L data to the navigator connected at the moment a mark is
entered.
L/L FORMAT
Selects the number minute places to shown in latitude and longitude position,
from hundredth, thousandth or ten thousandth.
OUTPUT DESTINATION
Select ON to output the WPL and RTE sentences to the navigator connected
when setting a route as destination.
SELECT OUTPUT SENTENCE
Selects sentences to output.
1. Rotate the [ENTER] knob to select SELECT OUTPUT SENTENCE.
2. Press the [1] key to select “1. ON” to show the NMEA SENTENCES LIST.
3. Rotate the [ENTER] knob to select a sentence.
4. Press the [ENTER] knob to display ON or OFF as appropriate.
5. Repeat step 3 and 4 for other sentences.
6. Press [MENU] key to return to I/O PORT SETUP menu.