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8.3  PERFORMANCE CHECK 
 
 
Make operational check on the radar equipment regularly and if any problem is found, investigate it 
immediately.    Pay special attention to the high voltage sections in checking and take full care that no trouble is 
caused by any error or carelessness in measurement.    Take note of the results of checking, which can be used 
effectively in the next check work. 
Operational check shall be made in accordance with Table 8-1 Function Check List in the order as specified in 
it. 
 
Table 8-1    Check List 
 
Equipment  Item to be checked  Criteria  Remarks 
Transmitter-receiver 
Unit 
Tuning LED of Receiver 
The LED is lighting during 
operation 
48NM range 
Display Unit 
Video and echoes on the screen 
Sensitivity 
LCD brilliance can be controlled 
correctly   
Var io u s mark e r s  
Various numerical indications   
Lighting 
Can be correctly controlled   
Safety Switch 
Various Currents and Voltages 
Refer to [II] in Section 8.3.1.1   
Communications Lines  Refer to [III] in Section 8.3.1.1   
Memory  Refer to [I] in Section 8.3.1.1   
Panel  Refer to Section 8.3.1.3   
Monitor  Refer to Section 8.3.1.2   
TT  Refer to Section 5.2.7   
Magnetron current  Refer to Section 8.3.1.7   
Performance Monitor  Refer to Section 8.3.1.4   
Error Logging Display  Refer to Section 8.3.1.5   
System Information Display  Refer to Section 8.3.1.6