3-7 
CAUTION 
 
3.2.3   Tune 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
This radar system provides the automatic tune mode and the manual tune mode. The automatic tune 
mode automatically adjusts the tuning of the transmitting frequency and the receiving frequency, and the 
manual tune mode enables tuning to be adjusted by using the dial located on the operation panel. 
Normally use the automatic tune mode. Only when the best tuning is not possible by the automatic tune 
mode due to the deterioration of magnetron, use the manual tune mode. 
The currently used tune mode is displayed in the area at the lower left of the display. 
 
 
 
When using the automatic tune mode 
 
 
 Procedures   1  Press the [TUNE] dial to set the automatic tune mode. 
 
Tune adjustment is automatically conducted in the automatic tune mode. Tune is adjusted 
at the start of transmission, at the change of the range or pulse width. Tune adjustment is 
completed within several seconds. 
 
 
When using the manual tune mode 
 
 
 Procedures   1  Press the [TUNE] dial to set the manual tune mode. 
 
  2  Turn the [TUNE] dial to make adjustments so that the tuning bar is 
maximized. The tuning bar is displayed in the area at the upper left of 
the display. 
 
 
Normally, use the automatic tune mode. 
Use the manual tune mode only when best tuning is not 
possible in the automatic tune mode due to 
deterioration of magnetron.