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.
