3-6 Operation Series XT-50, XT-80, and XT-100 Amplifiers
2. High Voltage OFF, heater in standby mode. If the TWTA is to be shut down
for a few hours and quick turn ON is required, disconnect Pin F from Pin w
and connect Pin J to Pin W. This places the TWTA is heater standby mode.
3. TWTA OFF. If the TWTA is to be shut down for an extended period,
disconnect Pin a from Pin W. This will totally deactivate the TWT and allow
the TWT heater to cool.
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