HP Neoware e140 Thin Client - Manual (Page 168)

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Setup Menus
Attributes Cleared
Factory default: Unselected
The setting of this option determines the effect of an erase command on character
attributes.
When selected, both attributes and characters will be cleared from display memory
when an erase command is issued.
When this option is unselected, all video attributes currently used will remain in
display memory when an erase command is issued. This will result in new characters
being displayed with the video attributes associated with their positions on the display.
Protect From Host
Factory default: Unselected
The setting of this option determines whether or not the host can overwrite protected
characters.