User's Manual

5.3 AIS OPERATION

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Point Filter

AIS targets which are not displayed because they are outside the AIS filter or at low priority levels can be

activated by giving a higher priority to them.

Procedure 1 Press a few times the CURSOR button at the top right corner of the

screen to call up ACT AIS .

The cursor mode is set to AIS activation mode.

2 Place the cursor over the location where you wish to set a point filter,

and press the [ENT] key.

A point filter will be set at the cursor position.

If an AIS target is in the point filter, it will be activated.

When an AIS target is activated or an AIS target is not found within ten seconds, the point

filter will be cleared.