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Compact Design and Low Power Consumption 
 
Since an LCD has been implemented as the display device, the weight of the display is greatly 
reduced and the power consumption is lowered in comparison with the conventional radar equipment. 
 
 
 
Self-diagnostic Program Incorporated 
 
The Self-diagnostic program always monitors all the functions of the system. If any function 
deteriorates, an alarm message will appear on the radar display and an alarm sounds at the same 
time. Even when the system is operating, the functionality test can be carried out. (except on some 
functions) 
 
 
 
Performance Monitor 
 
The radar performance (transmitted output power and receiving sensitivity) can appear on the radar 
display. 
 
 
 
Easy Inter switch Operation (Option) 
 
If an inter switch unit (option) is connected, up to eight JMA-900B/JMA-9100 radars can be switched 
over by performing simple operation. 
Up to 2 radars  : NQA-3141-2A is needed in JMA-9100 Display Unit. 
Up to 4 radars  : NQA-3141-4A is needed separately. 
Up to 8 radars  : NQA-3141-8A is needed separately. 
 
 
Various Functions 
 
• RADAR Trails (Other ship’s track display) 
•  TM (True Motion) display 
• Head-up/North-up/Course-up display 
•  Own ship’s track display 
•  Auto-acquisition Zone function