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4.7.1 TOUCHSCREEN SOFT KEYS
INDICATOR
FUNCTION
Fault :
The FLT RST illuminates Red when either the Helix or the Collector
Power Supplies deviate from the design parameters. The Amplifier will
revert to AMP OFF mode. It also illuminates when either a Thermal or
Airflow condition occurs outside design parameters. Should an
excessive temperature condition occur while monitoring the TWT
temperature of the Heatsink, the Amplifier will revert to AMP OFF
mode. The Touchscreen will indicate which fault had occurred.
TOTAL/OPRT HOUR
Elapsed time Indication on the Touchscreen, presents total hours that
the TWT Filament or Beam has been energized.
LOC RMT
The LOC / RMT indicates, when illuminated Green, that the amplifier
is in the remote-control mode of operation via any Remote Control.
GPIB
(xx)
The address selection can be done through the front panel using the
touchscreen display. Holding the GPIB softkey will change the address
BAND 1/BAND 2 (OPT129) This optional feature allows the use of an Harmonic Filter to the limit
the TWT Harmonics. Band 1 is the default through Band and Band 2 is
filtered Band.
ALC ON/OFF
(OPTIONAL)
The ALC ON/ OFF is for Automatic Leveling Control this Optional
Feature levels the Power Based on the FWD Power Indication. The unit
must Have the Gain Control Feature in order for the ALC to function
4.7.2 CONTROLS
CONTROL
FUNCTION
Power ON / OFF
Circuit Breaker to turn ON/OFF main prime power to the Amplifier.
OFF/ON
The Touchscreen OFF/ON softkey is a momentary switch which, when
pressed to ON position, Filament and Collector supplies are energized
after the Filament time out.
STBY / OPRT
When set to OPERATE mode it turns TWT Beam ON, when
set to STBY it turns TWT Beam OFF.
FLT/RST
When a Fault occurs the touchscreen button FLT/RST will turn Red.
Pressing this will reset the fault
