Lowrance electronic LMS-337C DF - Manual (Page 160)

152
Configure NMEA
You can configure the unit to use specific NMEA sentences.
1. Press MENU | MENU |
↓ to
S
YSTEM
S
ETUP
| ENT .
2. Press
↓ to
C OMMUNICATIONS P ORT
| ENT |
↓ to
C ONFIGURE 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.)
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.
Menus for changing coordinate system used to display positions.
To get to Coordinate System Selection:
1. Press
MENU | MENU |
↓ to
GPS S ETUP
| ENT .
2. Press
↓ to
C
OORDINATE
S
YSTEM
| ENT .
This unit can show a position in degrees (36.14952°); degrees, minutes
and thousandths of a minute (36° 28.700'); or degrees, minutes, seconds
and tenths of a second (36° 28' 40.9"). It can also show position in: UTM
(Universal Transverse Mercator) projection; MGRS (Standard); MGRS
(Standard + 10); Map Fix; Loran TD; British, Irish, Finnish, German,
New Zealand, Swedish, Swiss, Taiwan and Greek.
UTM's are marked on USGS topographic charts. This system divides
the Earth into 60 zones, each 6 degrees wide in longitude.