Changing a Time Horizon
- 
            Select 
			 Datasets > Properties
			 
			            
. 
		  
            The Dataset properties dialog box is displayed. - Select the CTH/Periods tab.
 - On Changeable Time Horizon, click Define.
 - 
            On Time Horizon, select the forecast to change then specify
               this information:
            
- Name
 - Specify the name of the time horizon.
 - Mode
 - Specify the mode of the time horizon.
 - Scope
 - Specify the scope of the time horizon.
 - From/To Period
 - Specify the period range.
 
 - Click Save.
 - Optionally, click Time mark to change the time marks.
 
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