Chapter 2 Basic Function Description; Front Panel - Dawn CONTROL-1500A Manual

CONTROL-1500A Single Axis Antenna Controller
Chapter 2 Basic Function Description 3
Chapter 2 BASIC FUNCTION DESCRIPTION
This chapter describes the controller's front panel layout, user interface and basic operation.
When the user has completed this chapter, he or she should have an understanding of the
various operating modes of the unit, and be able to use the keyboard and liquid crystal display
(LCD) to navigate through those modes.
2.1

Front Panel

The front panel (figure 2.1) of the CONTROL-1500 contains an ON/OFF switch, a 2 row by 16 column
backlit LCD, and a 4 by 4 matrix keypad with tactile feedback. The controller's back panel is
described in chapter 3.
Figure 2.1 CONTROL-1500A Front Panel
The legend above the top row of the LCD defines the POS, POL, and SS fields. The POS field
is the current antenna position. POL defines the polarization field. SS is the signal strength
field. The three character field in the lower right hand corner of the LCD (above the MODE
label) is reserved for the display of the current controller mode. The various modes are
introduced in the following section. If an error condition is active, an error message will
periodically flash across the bottom row of the display. Error messages are discussed in
chapter 6. Chapter 4 explains the contents of every field on the display for all of the various
controller modes.
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