A-1 
A.1 
 OVERVIEW 
 
 
A.1.1 Overview  
 
Interswitch NQE-3141 is equipment that enables free changeover between radar display units installed on the 
bridge and antenna units having different characteristics.   
Up to 8 units can be changed over.   
When the connected scanner is changed, following setting values are automatically loaded. 
 
  Tune Adjustment   Section 7.1.3 “Tuning (Tune Adjustment)” 
    Bearing Adjustment    Section 7.1.5 “Bearing Adjustment” 
  Range Adjustment   Section 7.1.6 “Range Adjustment” 
    Antenna Height      Section 7.1.8 “Antenna Height Setting (Antenna Height)” 
    Antenna installation location    Section 7.1.9 “Setting of CCRP (CCRP Setting)” 
    Sector Blank      Section 7.2.1 “Sector Blank Setting (Sector Blank)” 
    Performance Monitor    Section 7.3.3 “Adjustment of Performance Monitor (MON)” 
    PRF Fine Tuning      Section 3.8.3 “Set Scanner Unit (TXRX Setting)” 
 
 
 
A.1.2 Interswitch Setup 
 
Connection modes can be changed simply by changing the interswitch connection (upper left of the display h 
on page 2-16). 
 
 
Note:
  A master display unit is always necessary for establishing a slave connection.   
  Before a slave display unit can be placed in transmission state, the master display unit must be placed 
in transmission state.