Garmin GPSMAP 182C User Manual

Page 81

GPSMAP 182/182C Owner’s Manual

AIN

ENU

OMM

To restore the Serial Data Format settings back to the

default Garmin Data Transfer:

From the

Comm tab, press MENU, highlight Defaults, and

press

ENTER.

If Garmin DGPS or RTCM In/NMEA Out format is selected,

additional ﬁelds are provided to control a Garmin differential

beacon receiver directly from your GPSMAP 182/182C. The

unit can automatically scan for the DGPS beacon signal, or you

can enter the beacon frequency and bit rate on the unit and the

information is used to tune the beacon receiver.

To have the unit automatically scan for a frequency:

1. With the unit set to

Garmin DGPS or RTCM In/NMEA Out,

use the

ROCKER to highlight the Beacon ﬁeld, and press

ENTER.

2. Highlight

Scan, and press ENTER. The numbers in the

Frequency ﬁeld change as the unit scans from 284 kHz to

325 kHz, 200 bit rate, then 100 at 6-second intervals.

Status Field

SNR and

Distance shows

data when signal

is received.

NOTE: The DGPS beacon transmitters are operated by

the U.S. Coast Guard (or similar government agency in

other countries), and are responsible for their accuracy and

maintenance. For DGPS transmitter problems or to ﬁnd the

most updated list of frequencies and coverage areas, contact

your local USCG, or see their Web site at

http://www.uscg.mil/.

To restart the scan:

Press

MENU, highlight Restart Scan, and press ENTER.