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[II] Check the Receiver System
When the performance of receive unit is degraded, the attenuation will be strong.
Procedure 1 Press [4] key while Test Menu is open.
MON Display menu opens.
2 Turn [VRM] control to slide the VRM to
the end of the performance monitor
pattern.
Attenuation in the receiver system is displayed in
Attenuation Value of Receiver System.
3 Check the attenuation value.
* Receiver System
MON Pattern Range (Initial value : 18.0NM)
Attenuation Value Normal operating range : -2.9dB to +3.5dB
Performance degradation range : -15.0dB to -3.0dB
Note: If Receiver System Attenuation Value display is under -3 dB or Transmitter System Attenuation Value
display is under -7 dB with the the performance monitor test, radar should be checked by service
engineer. This means that the TX/RX unit may be faulty. Consult with the near-by dealer or our
sales department.
Exit 1 Press [RADAR MENU] key.
The menu will be closed.
Performance Monitor Pattern
(When the performance of receiver unit is
degraded, the pattern distance will be
shorter.)
Adjust the VRM to the farthest point of the
erformance monitor pattern.
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