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1. Press
MENU|MENU|↓ to SYSTEM SETUP|ENT.
2. Press ↓ to
COM PORT|ENT|↓ to CONFIGURE NMEA|ENT.
3. A menu appears showing the prefixes of the available NMEA sen-
tences. A check mark next to a prefix means the prefix is in use. Use ↑
↓ → ← to select a prefix, then press
ENT to turn off the prefix. (Press
ENT again to check the box and turn a prefix on.)
Configure NMEA menu, showing all prefixes turned on (checked).
NOTE:
The names of the NMEA sentences are abbreviated in this menu.
These are the functions of the various selectable prefixes:
• GLL transmits latitude and longitude of present position, time of
position fix, and status.
• RMC and RMB transmits navigation information messages.
• APB transmits autopilot information.
• GGA transmits time, position, and fix related data.
• GSA and GSV transmits fix mode, DOP values, and satellites in
view information.
4. When the desired prefixes are checked or unchecked, press
EXIT|EXIT|EXIT|EXIT to return to the previous page.
Coordinate System Selection
The Coordinate System Menu lets you select the coordinate system to
use when displaying and entering position coordinates.
