Comtech EF Data XTRT-400C-BUC Operation And Installation Manual page 70

Figure 6 - Standby Mode
Standby Mode
In this mode, there are no faults and the TWT is ready for high voltage to be applied.
Figure 7 - Adjusting Attenuator in Standby Mode
Adjusting attenuator in Standby Mode
In this mode, the RF attenuator may be adjusted to for example: reduce the gain of the
amplifier upon initial turn-on not to overdrive the TWT.
MNC-0400-071
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To adjust Attenuation
Touch STANDBY
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Operation
Revision 4