Northrop Grumman Sperry Marine VisionMaster FT, User Manual

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Targets Radar/Chart Radar User Guide
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To select a target for echo reference, do the following:
1. Left click on AIS On button, and from the AIS Display window
uncheck Enable Input
2. Right click on the target to be selected
as an echo reference and left click on
Select for Echo Reference from the
semi-transparent window. R is
displayed adjacent to the reference
target, the target has its true vector
removed, and its speed is set to zero.
The ground stabilised sensor indicators
(COG and SOG ) at the top left of the
screen show the source as REF, see
Sensors Menu for information on sensor sources.
3. To change the echo reference to another target right click on the
target and highlight Select for Echo Reference again. The echo
reference is moved to the other target.
To cancel an echo referenced target:
1. Right click on either the COG or SOG
ground stabilised sensor indicator and
select the sensor source. The sensor
source window opens with the selected
source folder displayed and the current
sensor source (REF) in highlight.
2. Change back to the original sensor
source (e.g. GPS) by clicking its radio
button. A confirmation window appears; click the
Yes button to
confirm the data change.