[II]    Operating Variable Range Marker (VRM) 
 
 
 Procedures   1  Put the cursor on VRM1 or VRM2, and press the [ENT] key. 
 
When the cursor is moved to it,    VRM1    or    VRM2    is shown at the upper right 
of the cursor.    The VRM becomes operable when the [ENT] key is pressed. 
 
  2  Move the cursor to the range to be set. 
 
The VRM will move as the cursor moves. 
 
  3  Press the [ENT] key. 
 
The VRM will be fixed. 
 
 
 
[III]    Operating EBL and VRM Concurrently (EBL and VRM) 
 
 
 Procedures   1  Put the cursor on the intersection marker (  ○ or  ● ), and press 
the [ENT] key. 
 
When the cursor is moved to it,    EBL1 VRM1    or    EBL2 VRM2    is shown at the 
upper right of the cursor.    The EBL and VRM become operable when the [ENT] key 
is pressed. 
 
  2  Move the cursor to the bearing / range to be set. 
 
The EBL and VRM will move as the cursor moves. 
 
  3  Press the [ENT] key. 
 
The EBL and VRM will be fixed. 
 
 
 
[IV]    Operating Parallel Index Lines (PI) 
 
 
 
To change the direction of parallel index lines 
 
 
 Procedures   1  Put the cursor on near the center of line, and press the [ENT] key. 
 
When the cursor is moved there, it will turn into " " and    PI    will be displayed at 
the upper right of the cursor.    The parallel index lines become operable when the 
[ENT] key is pressed. 
 
  2  Move the cursor to the direction to be set. 
 
The parallel index lines will change the direction as the cursor moves. 
 
  3  Press the [ENT] key. 
 
The parallel index lines will be fixed. 
4-15