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7.3  Adjustment
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7.3 ADJUSTMENT 
 
 
This section describes the electrical adjustment procedures to be performed by service engineers during 
system installation. 
 
 
CAUTION 
Any adjustments must be made by specialized service 
personnel. 
Incorrect settings may result in unstable operation. 
Do not make any adjustments during navigation. Failure to 
comply may result in adverse effects on the radar function 
which may lead to accidents or equipment failure. 
 
 
7.3.1  Noise Level Adjustment (Noise Level) 
 
[I]  Noise Level Adjustment for Signal Processing 
 
 
  Procedures    1.  Open the Serviceman Menu. 
 
2.  Open the Echo Noise Level menu by performing the following menu 
operation. 
 
        9. SP/TT Initial Setup   
 → 1. Signal Processing   
 → 1. Echo Noise Level   
 
3.  Increase/decrease the noise level adjustment value. 
 
The noise level is factory-set. 
After system installation, a great change in the noise level adjustment value should be 
avoided; it should be fine adjusted within ±5.