Omron NT620S Operation Manual page 144

Screen Display
132
To stop the buzzer by using the screen operation, create a
touch switch.
• History attribute
When a screen for which this attribute is set is displayed, the screen number of
the displayed screen, the day minute and second of display, the number of dis-
play events, and a message, is recorded as display history record data.
The display history record data can be read either in the maintenance mode or
by using the support tool. It is also possible to display this data by calling
screen numbers 1997 and 1998 (see page 120).
• Numeral setting attribute
Select whether the numeric keys or control keys are automatically displayed or
the numeric keys are created at arbitrary positions on the numeral setting
screen. The following two numeral setting attributes are used.
System: The numeric keys or control keys registered to the system are auto-
matically displayed.
User: The numeric keys or control keys can be created at any arbitrary
positions.
• Back col (NT620C only)
Screens for which this attribute has been set are automatically displayed with
the set background color extending over the entire screen.
Section 4-3
control key as a