Check Of The Performance Monitor (Mon Display) - JRC JMA-9133-SA Instruction Manual

>
JMA-9100 Instruction Manual 8.COUNTERMEASURE FOR TROUBLE ...
8.3.1.4

Check of the Performance Monitor (MON Display)

The radar system is equipped with an interswitch.
For checking the performance unit, set the interswitch connection to
straight, i.e. No.1 scanner is connected to No.1 display unit as the Master.
Procedures
1) Open the MON Display menu by performing the following menu
operation.
[1] Check the Transmitter System ( *including Magnetron )
Procedures
1) Check the attenuation value.
*Transmitter System
Main
→ 9. Test Menu
→
4. MON Display
Attenuation Value
About one minute after opening this menu item, check the
transmitter attenuation value.
8－ 10
>
8.3 PERFORMANCE CHECK
Initial value: 8.0 bar
Normal operating range: -6.9dB to +2.0dB
Performance degradation range: -15.0dB to -7.0dB