Display panel rules
Scope
This set of common rules or practices will apply specifically to the LCD display to be used on the OP30. It
is the objective of this section of the user interface to create a common method for selecting and editing
fields, saving data, etc. The goal is to ensure that all screens and functions used on the OP30 panel
operate in a logical and consistent manner. In those cases where there are exceptions to the rules, these
are specific to certain screens and are highlighted with comments on the screen.
General rules
1. The four (4) arrow buttons on the OP30 panel have a repeat function. If you press the button,
the button's function will be repeated 3-5 times per second until the button is released. The
repeat function starts after 0.5-1.0 sec.
2. The ¼ VGA screen will be refreshed 2 times per second.
3. When scrolling in a list, the highlighted field is inverted and displayed in a different color than the
original. The colors are determined by CS.
4. When a character is flashing (during editing), it switches between the normal and inverted
mode.
Softkey buttons
1. There are five (5) program buttons along the bottom of the LCD screen. The buttons use a small
(8x10 pixel) font and have two rows with up to seven (7) characters. The buttons are centered
and have (1) or two (2) pixel buttons in 3D.
2. The buttons are displayed in the same place. For example, if the HOME function is active in a
screen, it will always be displayed in location No. 2.
3. From the main processing screen, which is standard, use the buttons to move to the display
menus and select a function.
Fixed buttons
1. There are five (5) fixed function buttons on the OP30 panel. The fixed buttons are four (4) cursor
direction buttons (up, down, left and right) and the ENTER button.
2. Even if they are not specifically associated with the display being used on the OP30 panel, there
are several fixed buttons for various functions.
Page 23 of 166
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