3
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26
ST50 PLUS RADAR Operation and Installation Handbook
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POSITION
The POSITION display can be selected from present position
L/
L
(Latitude/Longitude), TD (Time Differencel,WPT(way point
Lat/
Long) or OFF. L/L or
TO
data can only be displayed if you are
connected properly to a Loran C or GPS Receiver with proper data
output, or to Seatalk. This information appears at the lower left
corner of the display.
(c) BEARING
When connected to a navigator such as a Loran-C or GPS, this
radar has three bearing modes available. They are “Relative”,
“Magnetic” and “True”.
The “Relative” mode allows the operator to determine bearing to
objects displayed on the radar screen relative to own ship’s
heading. These bearings are taken by utilizing the EBL or the
cursor. All of the bearing data acquired in the relative mode is
referenced to the
“SHM”
(Ships Heading Marker).
When planning to plot information from the radar display to a
chart, it will be helpful to have the bearing information readouts
be in degrees True or Magnetic. This bearing data may be
obtained directly from the radar by selecting “MAGNETIC” or
“TRUE”. The “MAGNETIC” and “TRUE” modes all depend on
having a NAVAID or a magnetic flux sensor with proper data
format connected to the radar system. In “MAGNETIC” mode,
EBL, CURSOR and course bearings are indicated in magnetic
bearing as determined by the NAVAID input or optional magnetic
flux sensor input. The character
“M”
will be displayed to the right
of the EBL and Cursor characters to indicate the type of bearing
input. In “TRUE” mode, EBL, CURSOR and course bearings are
indicated in True bearing as determined by the NAVAID input
(i.e.
no magnetic variation).
The character
“T”
will be displayed to the right of the EBL and
Cursor characters to indicate the type of bearing input.
Magnetic bearing data is the best when inputted from the optional
magnetic flux sensor.
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Section 3. Operation
3-27
(d)
OPER. PROMPTS
The OPERATION PROMPTS can be displayed by setting this MENU
item to “ON”, and can be turned off by setting to “OFF”. The
OPERATION PROMPTS are helpful for radar operation, and are
generally recommended to REMAIN ON.
(e)
SIMULATOR
The SIMULATOR mode enables a sample radar picture on the
display when set to “ON”. This mode is used to practice becoming
familiar with the various features and modes of the-display unit.
When active, the word “SIMULATION” is displayed at the top of the
LCD screen.
The SIMULATOR mode is shut off by setting the MENU item to
‘OFF’.
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LANGUAGE
The radar menus can be displayed in one of 6 LANGUAGES. They
are English, Spanish, French, German, Norwegian and Italian.
After selecting any language, MENU and OPERATION PROMTS will
change to the selected language. A master reset will default the
unit back to English.
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