If you select GARMIN DGPS or RTCM In/NMEA
Out format, you can control a differential beacon re-
ceiver directly from your 76CS Plus. 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 will be 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. Set the unit to
GARMIN DGPS
or
RTCM
In/NMEA Out
.
2. Highlight the
Beacon
field and press
ENTER
.
3. Highlight
Scan
and press
ENTER
. The numbers
in the
Freq
field change
as the unit scans from
284 kHz to 325 kHz, 200
bit rate, then 100, at 6-
second intervals.
The Status field displays 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 signals
and is ready for operation.
•
Check Wiring
—the unit is not making connec-
tion with the DGPS receiver.
To restart the scan:
1. Press
MENU
.
2. Highlight
Restart Scan
and press
ENTER
.
To manually enter a frequency and bit rate:
1. Set the unit to
GARMIN DGPS
or
RTCM
In/NMEA Out
, use the
Rocker
key to highlight
the
Beacon
field, and press
ENTER
.
2. Highlight
User
and press
ENTER
.
3. Highlight the
Frequency
or
Bit Rate
field,
press
ENTER,
and enter a frequency or bit
rate. Press
ENTER
when done.
86
76CS Plus Owner’s Manual
C
USTOMIZING
Y
OUR
76CS P
LUS
>
C
HANGING
THE
I
NTERFACE
F
ORMAT
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