5  Operation Common to Target 
Tracking and AIS 
 
5.1 Setting Up Vectors 
 
5.1.1   Setting Up the Vector Mode 
1  Click the Vector/Past Position True/Relative changeover button. 
 
 
 
 
Every time this button is clicked, the TT/AIS vector mode is switched between "T" and "R". 
 
 
5.1.2   Setting Up the Vector Length 
Set up the vector length in a range between 1 and 120 min in units of 1 min. 
1  Click the Vector Length entry box. 
 
 
 
 
The software keyboard is displayed. 
2  Enter the vector length. 
For the input method, please see "6.2 Operating with the Software Keyboard". 
 
True/Relative selection 
button 
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