Procedures 1 Tracking a target for which ground fixed.
2 Put the cursor on the tracked target, and press the [CLR / INFO] key.
The cursor mode list will appear.
3 Press the [8] key.
The Property will appear.
4 Press the [3] key.
The reference target function will be set to on or off.
On :A reference target is set.
Off :The reference target is canceled.
5 Put the cursor on the speed sensor switching (Own ship information
â‘¡ on page 2-22), press the [ENT] key, and select REF. .
The speed of own ship calculated from the reference target will be displayed.
When a reference target is set, the symbol display is changed to "
R
".
Only one target can be set as a reference target.
When a new reference target is set, the previously set reference target is canceled.
Note: If AIS function is set to on, the reference target function cannot be used.
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