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12
r PLOTTER MODEq DGPS
The DGPS is a newly established system intended to improve the positioning
precision of the GPS. (Optional RD-200 is needed to use the DGPS).
This chapter describes how to correct the positioning data using DGPS data, select
the beacon station, and set the baud rate.
Using the DGPS data allows correction of the positioning data received by
the supplied GPS receiver.
q Press the [MENU] key.
The Main Menu screen will appear.
w Select “Positioning Menu” using the [UP] or [DOWN] key and press the [SET]
key.
The Positioning Menu screen will appear.
e Select “DGPS” using the [UP] or [DOWN] key and press the [SET] key.
The DGPS screen will appear.
r Select “Using DGPS” using the [UP] or [DOWN] key and press the [SET] key.
The selected item turns blue.
t Select “ON” using the [LEFT] or [RIGHT] key and press the [SET] key.
The selection is now saved.
y When you finish setting, press the [MENU] key.
You will return to the previous screen.
To set the beacon station, proceed as follows.
q Press the [MENU] key.
The Main Menu screen will appear.
w Select “Positioning Menu” using the [UP] or [DOWN] key and press the [SET]
key.
The Positioning Menu screen will appear.
e Select “DGPS” using the [UP] or [DOWN] key and press the [SET] key.
The DGPS screen will appear.
r Select “Beacon Frequency” using the [UP] or [DOWN] key and press the [SET]
key.
The selected item turns blue.
t Select the frequency field or “Auto”.
When you select the frequency field, proceed with step y.
When you select “Auto”, press the [SET] key.
When “Auto” is selected, a beacon station having the highest signal intensity is
automatically selected. If the system fails to synchronize with this beacon sta-
tion for one minute, it automatically selects a beacon station having the second
highest signal intensity.
y Set the frequency using the [UP] or [DOWN] key and press the [SET] key.
* Set the frequency of the beacon station nearest to the current ship position.
u When you finish setting the beacon station, press the [MENU] key.
You will return to the previous screen.
(12)-1 DGPS
(12)-2 Using the DGPS
(12)-3 Setting the beacon
station
DGPS
USING DGPS
ON OFF
BEACON FREQUENCY
283.5kHz AUTO
BEACON BAUD RATE
100 200
80.0FT
5
CLR
SET
SET
CANC
SEL
H
0
10
20
30
40
DGPS
USING DGPS
ON OFF
BEACON FREQUENCY
283.5kHz AUTO
BEACON BAUD RATE
100 200
80.0FT
5
CLR
SET
SET
CANC
H
0
10
20
30
40
ADJ SEL