Si-tex SNS-1100, User Manual, Page: 22 / 114

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- User Manual
Moving around the Chart and Changing Chart Scale
Use the cursor key to move around the chart. Also use [ZOOM IN] and [ZOOM OUT] to change
the chart scale so that a smaller or larger area is shown on the chart. Now it is possible to
change smoothly the zoom level avoiding the big jump between levels.
Finding Your Boat Position
The most common use of the chart plotter is to show your ship's current location.
You can home the cursor to the ship using:
[CLEAR]
The Home function locks the cursor to the ship and updates the display as the ship moves.
To release the cursor from the Home Mode, use the cursor key to move the cursor away from
the ship's current position.
Selecting Screen Amplifier
In Home mode the Screen Amplifier function sets up the charts on the navigation direction
(course) in order to display more map details in front of the vessel's position.
[CLEAR] + [MENU] + "Display Options" + [ENTER] + "Screen Amplifier" + [ENTER] + "On" +
[ENTER]
Selecting Map Orientation
To select the orientation of your chart according to:
[MENU] + "Map Options" + [ENTER] + "Map Orientation" + [ENTER]
The available choices are North Up (the map is shown with North upwards), Head Up (the map
is shown with the ship's current heading upwards) and Track Up (the map is shown with the
currently selected course leg upwards).
[MENU] + "Map Options" + [ENTER] + "Map Orientation" + [ENTER] + "Head Up" or "Track Up"
+ [ENTER] + use cursor to insert [ENTER]
The Resolution angle, which may be selected in the range [5 – 60] degrees, defines the maximum
variation of the reference angle after which the map changes its orientation.
1.11 NAVIGATION TO A SINGLE DESTINATION
To place the destination at cursor coordinates and activates navigation to it:
Place the cursor on location to navigate to + [ENTER] + “GOTO” + [ENTER]
You are now navigating to the destination drawn as a Mark with a circle around it, labelled
“DEST”. A straight line is shown on the screen connecting the destination with the ship’s position.
All navigation data is referred to this destination.
SNS 1100
Place the cursor on location to navigate to + [GOTO]
1.12 A-B FUNCTION
The A-B function allows to measure the Lat/Lon coordinates between two points on the Chart page.
Inserting A-B
[ENTER] + “A-B” + [ENTER]
The “A” point is positioned on the cursor position. Use the cursor key to move the cursor in the desired
place and then to place the “B” point press:
[ENTER] + “A-B” + [ENTER]
A straight line connects the two points “A” and “B”. A window containing the distance and bearing
values is shown.
Deleting A-B