ter 7    INITIAL SETTINGS
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7.5    ANTENNA HEIGHT SET UP 
Set up the antenna height. 
This set up is related to sea clutter rejection control, 
At a short range, sea clutter level is proportion to the height of the scanner. 
So an optimum sea clutter rejection constant must be selected according with the height of antenna. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
7.6  NOISE LEVEL 
The noise level had been adjusted at the factory. 
When you adjust the noise level after installation, perform only fine-tuning within  ±5.