Garmin GPSMAP 276C Owner's Manual page 95

The Status field shows one of the following:
COM 1 sub tab wth GARMIN DGPS selected
• Tuning—the unit is attempting to tune to the specified
frequency and bit rate.
• Scanning—the unit is automatically scanning through the
frequencies and bit rates.
• Receiving—the unit is receiving DGPS signal and ready for
operation.
• Check Wiring—the unit is not making connection with the
DGPS receiver.
GPSMAP 276C Owner's Manual
To restart the scan:
1. Press MENU.
Status of the
2. Highlight Restart Scan, and press ENTER.
scan
To manually enter a frequency and bit rate:
1. With the unit set to GARMIN DGPS or RTCM In/NMEA Out,
2. Highlight User, and press ENTER.
3. Highlight the Frequency or Bit Rate field, and press ENTER.
4. Enter a frequency or bit rate. Press ENTER when finished.
When the unit is receiving a DGPS signal, the Signal to Noise Ratio
(SNR) and Distance fields show data. The SNR range is 0 dB to
30 dB, with 30 being the best. The Distance field might or might not
show data, depending on the signal being broadcast from the DGPS
site.
The DGPS beacon transmitters are operated by the United States
Coast Guard (or similar government agency in other countries),
which is 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
www.navcen.uscg.mil/.
use the ROCKER to highlight the Beacon field, and press
ENTER.
M M > s t
AIn enu etuP Ab
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