2-20
2 
2.3    Functions of Software Buttons
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Upper right of the display 
 
①:Cursor bearing numeric value display true / relative switching 
The bearing numeric value display    T   (true bearing) /  R  (relative bearing) of the cursor is switched 
whenever this button is clicked. 
 
②, ③, ④,and ⑤:EBL1 / 2 and VRM1 / 2 adjustment 
These functions set the    EBL1 ,    VRM1 ,    EBL2 , and    VRM2    acquire the operation right. 
When the button is clicked on, the operation right is acquired. Make adjustments by moving the track ball 
to the left and right    Determine the adjustment by left-clicking. 
 
⑥and ⑦:EBL1, EBL2 numeric value true / relative switching 
The EBL1 / 2 bearing numeric value display   T   (true bearing) /   R   (relative bearing) is switched 
whenever the button is clicked. 
When the button is clicked for 2 seconds, the EBL / Cursor Setting menu is displayed. 
 
⑧,⑨,⑩and ⑪:EBL1, VRM1, EBL2 and VRM2 display switching 
These functions set the    EBL1 ,    VRM1 ,    EBL2 , and    VRM2    displays to On / Off. 
When the button is clicked on, the operation right is acquired.