8.3    PERFORMANCE CHECK 
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8.3.1.4    MON Display 
 
The performance monitor status is shown. 
*  A performance monitor unit is required. 
 
Transmitter System  Check attenuation in the transmitter system 
  Attenuation Value 
 
Receiver System  Check attenuation in the receiver system 
  MON Pattern Range 
  Attenuation Value 
 
 
[I] Check the Transmitter 
 
When the performance of magnetron is degraded, the attenuation will be strong. 
 
  Procedure    1  Press [4] key while Test Menu is open. 
 
MON Display menu opens. 
 
 
 
 
 
 
 
 
 
 
 
 
 
2  Check the attenuation value. 
 
* Transmitter System   
    (Initial value : 8.0) 
    Attenuation Value     Normal operating range : -6.9dB to +2.0dB 
        Performance degradation range : -15.0dB to -7.0dB 
 
Note:  About one minute after opening this menu item, check the transmitter attenuation value.