User's Manual

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JMA-9172-SA Instruction Manual > 5.OPERATION OF TARGET TRACKING AND AIS > 5.1 PREPARATION

b. Setting of AIS Target Symbol Display

This function switches the AIS target symbol display between on and off.

Procedures

1) Left-click the button in the Target Information located at the

upper right of the display.

The AIS target symbol display will be set to on or off.

5.1.3 Radar Display

5.1.3.1 Vector Display

A vector to represent a target’s predicted position can be presented in the True

vector or Relative vector mode. In each mode, a vector length can be freely

changed for a time interval of 1 to 60 minutes.

To switch between the true vector mode and relative vector mode, press the [T/R

VECT] key.

5.1.3.2 Vector Mode Selection

[1] True Vector Mode

In the true vector mode, the direction of a target vector indicates the true course of

the target and its vector length is proportional to its speed.

In this mode, own ship's vector is displayed as shown Fig 5-4.

In this mode, the movements of other ships around own ship can be accurately and

easily monitored.

However, CPA Ring cannot appear in this mode.

Fig 5-4: True Vector

The relative vector is

not displayed

True vector

Own ship’s position