CHAPTER 3: HancomMobileSheet 47Protection MarkCells can be set to be protected so that cells should not be randomly deletedor changed. Select [View-Protection Mark], then the Protected Cell will beindicated by a symbol in blue in the upper left corner. By selecting this menuonce it is activated and by selecting it twice it is deactivated.Grid lineThis determines whether the grid lines for cell division on the sheet is indicatedor not.Full screenDisplays the current window in full screen mode.ZoomTo enlarge or to reduce the size of view screen, can be modified from10%~400% or a user defined value.SplitThis function separates the current window into several windows and help theview of multi-tasks.Freeze panesFreeze Panes fix a certain location within a file. The fixed location does notmove even when scrolled down, only the remaining parts move up and down,left and right when scrolled. This is used when there is a substantial amountof data, and you need to check what kind of data is being input. FreezePanes freezes the upper row and left column to the fixed cell.˝ Select cell B2 as the pane to freeze.˞ When [View-Freeze panes] is selected a line appears and the pane is frozenaround that specific location.˟ You can cancel Freeze by selecting [View-Unfreeze panes].