Drop-down list properties - General tab
Provide the drop-down list/list field with a title here.
for more information about defining titles.
Display title in control
The title will be displayed in the edit field in the browser.
The drop-down list becomes a mandatory field
First entry on list is blank
This setting will insert an empty entry in front of the other entries.
Display as slider
The drop-down list will be displayed as a slider in the end device. In so doing, the values
that have been defined on the Entries tab will be
used for the scale of the controller.