3ņ3 
  Procedure    1  Check that the ship’s mains are turned on. 
 
2  Press [STBY] key. 
 
The system is turned on, and the preheating time is displayed. 
  PREHEAT    is indicated at the upper left of the radar display. 
 
3  Wait until the preheating time is over. 
 
When the preheating time is over, the preheating time screen disappears, and    PREHEAT   
at the upper left of the radar display changes to    STANDBY . 
 
4  Press [TX/PRF] key. 
 
The radar will start transmission and the antenna will start rotating. 
  STANDBY    at the upper left of the radar display changes to    TRANSMIT . 
 
 
Note:  The radar does not start transmission if you press [TX/PRF] key while    PREHEAT    is 
indicated. 
 
 
 
3.1.2    Observe and Adjust Video 
 
 
  Procedure    1  Press [RANGE+] key or [RANGE-] key to set the range to the scale 
required for target observation. 
 
2  Turn the controls [AUTO-GAIN], [AUTO-SEA], and [RAIN] to obtain the 
clearest targets. 
 
Refer to   
[GAIN]ЍSection 3.4.5 “Control Sensitivity [GAIN/PL]” 
[SEA]ЍSection 3.4.6 “Suppress Sea Clutter [AUTO-SEA]” 
[RAIN]ЍSection 3.4.7 “Suppress Rain/Snow Clutter [AUTO-RAIN]” 
for how to use each control.