Section 14 Adjusting and Setting up Equipment (for Services)
  14-10 
 
14.2.4  Setting sector blank 
The sector blank is an area that has been set up by specifying a fan-shaped range (sector), stopping 
the transmission in that bearing, and hiding radar echoes. The sector blank runs in the relative bearing 
using the ship's heading as reference.   
Three types of sectors can be set up (sector blanks 1/2/3). 
Set sector blank by using the [Sector Blank] dialogue. 
[Operation procedure] 
Open the sector blank setting screen by performing the following menu operations. 
[Menu] button → Service → Adjustment → Sector Blank 
 
14.2.4.1  Setting sector blank 
 
Memo 
This function is disabled when the interswtich is in slave mode.   
 
1  Select the [Use Sector 1/2/3] check box and select a sector blank to be set.   
2  Click on the [Make Sector 1/2/3] button corresponding to the sector blank number that 
was selected in Step 1.   
3  Draw sector blank with the cursor. 
The following information items are displayed regarding the sector blank that is being created. 
Start Angle: Sector blank starting angle 
End Angle: Sector blank ending angle