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Garmin GPSMAP 396 User Manual

Page 130

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22

GPSMAP 396 Owner’s Manual

M

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standard RTCM format.
rtCM in/nMEa out—allows Differential GPS (DGPS)

input using a standard RTCM format and also provides

NMEA 0183 version 3.01 output.
rtCM in/text out—allows Differential GPS (DGPS) input

using a standard RTCM format and also outputs simple text

data that includes, data, time, location, and velocity.
text out—allows the unit to output simple text data that

includes, data, time, location, and velocity. The Baud can be

set to 1200, 2400, 4800, or 9600.
none—provides no interfacing capabilities.

If you select GARMIN DGPS or RTCM In/NMEA Out format,

you can control a differential beacon receiver directly from your

GPSMAP 396 using the Interface sub tab. You can have the unit

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. If you use a DGPS receiver, WAAS

capability is automatically turned off.

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