Lowrance electronic GlobalMap 4800M - Manual (Page 76)

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Menus for changing Com Port settings.
For connectors and wiring information for another device, see page 16.
For assistance in configuring the unit to communicate with another
device, consult the factory; customer service phone numbers are in the
back of this manual. Also see the entries below for Configure DGPS and
Configure NMEA. To set Com Port Configuration:
1. Press MENU | MENU |
↓ to
S
YSTEM
S
ETUP
| ENT .
2. Press
↓ to
C
OMMUNICATIONS
P
ORT
| ENT .
Configure DGPS
This unit will recognize Starlink

, Magnavox

and Lowrance DGPS
receivers.
1. Press MENU | MENU |
↓ to
S
YSTEM
S
ETUP
| ENT .
2. Press
↓ to
C
OMMUNICATIONS
P
ORT
| ENT .
A. If you have a Magnavox receiver, press
↓ to
M
AGNAVOX
| ENT .
B. If you have a Lowrance or Starlink receiver, press
↓ to
S
TARLINK
| ENT .
C. If you have a Magnavox or Starlink, press EXIT | EXIT | EXIT . This is
the only setup necessary. If you have a Lowrance receiver or another
Magnavox- or Starlink- compatible brand, continue with these steps:
3. Press
↓ to
C
ONFIGURE
DGPS | ENT .
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.