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Chapter 1
General Operating Procedures
Definitions
Cursor is a field indicator used on data entry screens. There are four possible cursor types:
* represents a number field input
> represents a selectable field
“ represents a string field
X represents a hexadecimal field
The cursor shows the user which fields are changeable on a data entry screen.
Display Area is the part of the LCD display that shows system information. The display area will
vary in size depending on whether a large character or small character screen is being viewed.
Fields are places where the user enters control parameters.
Highlight is when the letters appear light on a dark background instead of dark on a light back-
ground. The highlighted area may flash from light to dark to stress its importance and to gain the
user’s immediate attention.
Hot Keys are the top-level system functions and menus. The hot keys are located in a column to the
left of the Display area.
Large Character Screens are screens that use large, double high characters and also contain the
title banner and hot keys.
Main Status Screen is a large character status screen, which is considered the main system status
screen. This screen will also contain the alarm status, mode, and state of the system.
Parameter is a system control value, which is displayed by the system or input by the user.
Examples are suction pressure and high suction pressure alarm setpoint.
Screen is a method of displaying information to the user. The system contains eight types of
possible screens: menu screens, data entry screens, status screens, confirmation screens, momen-
tary screens, information screens, access screens, and log screens
Small Character Screens utilize the entire LCD display and use small characters to show system
information. These screens do not display the system hot keys.
Toggle is the process of moving from one selectable choice to the next by using the ENTER key.
User is an individual or group of individuals who will use the system. A user is identified by a user
number ranging from 1 to 10. The user may also be referred to as the operator in this document.
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