38
14
r PLOTTER MODEq DOP AS A POSITIONING PRECISION INDICATOR
To set the baud rate (transmission speed) of 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 Baud Rate” using the [UP] or [DOWN] key and press the [SET]
key.
The selected item turns blue.
t Select “100” or “200” using the [LEFT] or [RIGHT] key and press the [SET] key.
The baud rate of the beacon station will be set as you selected.
y When you finish setting the baud rate, press the [MENU] key.
You will return to the previous screen.
* If the frequency of the beacon station has been set to “Auto” in section (12)-3,
the baud rate of the beacon station is also set automatically.
In this case, manual baud rate setting is ignored.
To access the Positioning Information screen where information on the
DGPS/GPS in use is displayed, 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 “Positioning Info” using the [UP] or [DOWN] key and press the [SET] key.
The Positioning Information screen will appear.
r Press the [MENU] key to return to the previous screen.
The DOP (Dilution Of Precision) is a positioning precision indicator which
represents the geometrical arrangement of the navigational satellites and the
ship.
The DOP ranges from “0.00” (best arrangement) to “99.99” (worst arrangement).
Note that the positioning error of the GPS may increase depending on policies of
the U.S. Department of Defense.
(12)-4 Setting the baud rate of
the beacon station
(13) Access to Positioning
Information screen
(14) DOP as a Positioning
Precision Indicator