5-5  Section 5 Basic Operation of the Radar 
 
 
 
APP A 
APP B 
 
5.3.3  Adjusting tune 
 
 
Normally, use the automatic tune mode. 
If you use the manual tuning mode, an accident may be caused by fluctuation of 
transmission and reception. 
Use 
the manual tune mode only when best tuning is not possible in the automatic 
tune mode due to deterioration of magnetron. 
 
This equipment has the automatic tuning mode that performs tuning of the transmission frequency and 
the reception frequency by automatic control, and the manual tuning mode in which the user performs 
tuning.  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 tuning mode currently being used is displayed on the Tuning Mode button in Radar system 
information. 
 
This function is effective when a magnetron radar antenna is connected. 
 
When using the automatic tune mode 
1 
Click on the tune mode button. 
[AUTO] (automatic) is displayed on the tune mode button. 
Whenever the button is clicked on, the mode is switched between [AUTO] (automatic) and 
[MAN] (manual). 
 
Using the manual tune mode 
1 
Click on the tune mode button. 
[MAN] (manual) is displayed on the tune mode button. Each time this button is clicked on, the 
display switches between [AUTO] (automatic) and [MAN] (manual). 
2  Move the fine tuning slider to the left and right sides. 
The tuning status is displayed on the tuning bar according to the movement of the fine tuning 
slider. Make adjustments so that the display on the tuning bar indicates the maximum (the state 
in which the tuning bar is positioned at the most right). 
 
   
This bar indicates the tuning state. 
Tuning indication peak line   
Indicates the maximum point of tuning.