______________________________________________HARRIS
888-9058-001
WARNING: Disconnect and lockout AC primary power prior to servicing
101
Section 4 4
Operation
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4.1 Introduction
4.1.1 Graphical User Interface
There are several levels of control in this transmitter, the top level is the Graphical User
Interface, GUI. This interface utilizes a computer with a liquid crystal display. This
computer can be networked or connections to other computers enabling them to control
the transmitter with the same graphical user interface. The GUI is a control interface,
the transmitter control system will continue to function even if the GUI is not
functioning.
4.1.2 376 Micro Controller
The intermediate level of control is the 376 micro module. This controller board is
responsible for:
• Transmitter ON/OFF functions
• PA cabinet interface
• Basic transmitter control using the front panel controls
• Transmitter fault protection; monitoring forward, reflected and reject power
• Back up power metering using the front panel display
• Interface with APEX and CD1A exciters for power control and VSWR foldback
• Parallel remote control and external interlock
Extended status and control is available through the GUI display computer.
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