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4. AIS OPERATION
4-2
4.3 AIS Symbols
When the AIS is turned on, AIS targets are marked with appropriate AIS symbol as below.
AIS symbols
AIS symbols are momentarily erased after the screen is redrawn when the heading
is changed while using the head-up mode.
4.4 Activating, Sleeping Targets
When you convert a sleeping target to an activated target, that target's course and speed are
shown with a vector. You can easily judge target movement by monitoring the vector.
Appearance of an activated target
To activate a target: Place the cursor on the target and press the ENTER key.
To sleep a target: Place the cursor on the target and press the CANCEL HL/OFF key.
Sleeping target
Activated target Dangerous
target
Lost target Target selected
for data display
Note
Heading line
SOG (Speed Over Ground) and
Course over Ground (COG) vector
(If there is no heading data,
the line points in direction of COG.)
ROT
(Rate of Turn)