JRC JMA-5204 Instruction Manual page 298

Making an AIS filter (Make AIS Filter)
Procedure 1
[I] Setting a RANGE filter
2
[II] Setting a SECTOR filter
2
3
[III] Setting a ZONE filter
2
3
Press [2] key while the AIS Filter Setting
menu is open.
The Make AIS Filter screen will appear.
Turn the [VRM] key control to set a filter
range, and press [ENT] key.
The range of a RANGE filter will be set.
AIS targets in the set circle are displayed by
priority.
Turn the [EBL] key control to set the
bearing of the port side, and press [ENT] key.
Turn the [EBL] key control to set the bearing of the starboard, and press
[ENT] key.
A SECTOR filter will be set.
AIS targets in the area formed by the two set bearings are displayed by priority.
Turn the [EBL] key and [VRM] key controls to set the bearing and range
of the port side, and press [ENT] key.
Turn the [EBL] key and [VRM] key controls to set the bearing and range
of the starboard, and press [ENT] key.
A ZONE filter will be set.
AIS targets in the area formed by the two set bearings and ranges are displayed by priority.
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