GPSMAP 495 Owner’s Manual 117
Main Menu > Setup Tab
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.
Interface tab of the Setup tab with GARMIN DGPS selected
Highlight Scan,
and press
Enter
Shows the
status of the
scan
The Status field shows one of the following:
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 DGPS
receiver.
To restart the scan:
1. Press MENU.
2. Highlight Restart Scan, and press ENTER.
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