User manual
Historical Views 
Your IHD presents your historical usage for the last 24 hours and for the last 30 days to enable you to detect 
trends in your usage patterns, and to provide feedback on your energy conservation efforts over a period of 
time. 
Last 24 Hour Historical Views 
Each of the 24 vertical bars represents one hour.  
As the day progresses, the graph adjusts so that the most recent  
24 hours of data is always displayed. When a new bar of data is  
added to the right side of the graph each  hour, the oldest data is  
removed from the left side. 
Daylight hours (6AM to 6PM) are identified by the sun icon and 
nighttime hours (6PM to 6AM) are identified by the moon icon. 
Press the mode button to switch between the cost ($)  or usage  
(kWh) views of your historical energy consumption. 
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In Cost Mode 
Each bar represents the cost of electricity used in one hour.  
The total cost of electricity for the past 24 hours is displayed on  
the bottom line of the screen. 
In Usage Mode 
Each bar represents the amount of electricity used in one hour.  
The total amount of electricity used for the past 24 hours is displayed  
on the bottom line of the screen. 
Last 24 Hour Detailed Summary 
If your home is billed on a time of use (TOU) rate, your IHD can provide 
additional  information  about when you consume electricity and 
insights about how your electricity usage impacts your total cost.  
The Last 24 Hour Detailed Summary presents how much electricity  
was consumed  in each electricity rate tier and the respective cost 
in each tier. 
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