Campbell CR800 Specifikace stáhnout pdf (Strana 265)

Section 10. Custom Keyboard Display Menus

10-3

Parameter

& Data Type

Enter

MenuName

Text

The text that will be shown as the heading for the custom menu. The string is

limited to 20 characters, and it should be enclosed in quotation marks.

AddtoSystem

Constant

This constant determines if the custom menu is a sub menu or replaces the

standard menu..

Value Result

0 Standard menu is submenu of Custom

≠0 Custom menu is submenu of Standard

DisplayValue ("MenuItemName", Source)

The DisplayValue instruction is used to define the menu text and associated

Variable or Data Table field to be displayed in the custom menu.

The MenuItemName parameter is the text that will appear on the left of the line

in the custom menu. Up to 10 characters will be displayed along with the value

of the source. The name should be enclosed in quotation marks. The source

must be a variable or a field from a data table. Values displayed using

DisplayValue cannot be edited.

Note: DisplayValue does not allow the keyboard operator to change the value.

Use MenuItem to display a variable and allow the operator to change the value.

Parameter

& Data Type

Enter

MenuItemName

Text

The text that will be shown as the heading for the custom menu. The

string is limited to 20 characters, and it should be enclosed in quotation

marks.

Source

Variable or

TableName.Field

The source of the value to display to the right of the text

“MenuItemName” The source must be a variable or a field from a data

table. Values displayed using DisplayValue cannot be edited.

MenuItem ("MenuItemName", Source)

The MenuItem instruction is used to display the value of a variable and allow

the user to change the value. Text can be displayed in place of a numeric value

if MenuPick is used to create a pick list of constants. The constants must be

defined in the program.

The MenuItemName parameter is the text that appear on the left of the line in

the custom menu. The name is limited to 20 characters, but only 10 characters

will be displayed when the variable value is shown (the entire 20 characters

will be shown when the value is edited). MenuItemName should be enclosed

in quotation marks.

The Variable parameter is the variable name of the value to be displayed.

Values displayed using MenuItem can be edited, either by typing in a value

directly or by creating a pick list of values using MenuPick.

Note: Use DisplayValue to display variable values without allowing them to be

changed.

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