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Backlight
When powered with batteries, the backlight of the monitor is available only between 6:00 p.m. and 8:00
a.m. when there is key operation.
On the other hand, when the monitor is powered by the external power adapter, the display backlight goes
on whenever there is a key operation.
Histogram
The purpose of the histogram (on the default display screen) is to demonstrate the energy consumption
tendency for the week. The number of bars displayed on the histogram for each day can range between
zero (meaning no energy consumption) to five (5). The bars appear once the value has reached more than
1/3 of the real value.
Depending of the energy consumption, if the highest consumption is equal to or
below 10kWh, the full scale of the histogram will be displayed as 10kWh. This means
that each bar in the histogram has a value of 2kWh or (10kWh/5 = 2kWh)
If the highest daily energy consumption is between 10kWh and 100kWh, the scale on
the histogram will be displayed as 100kWh. This means that the value of each bar is
20kWh.
If the highest daily energy consumption exceeds 100kWh, the scale on the histogram
will be displayed as 1000kWh. This means each bar has a value of 200kWh.
Note: The histogram will appear once sufficient data has been gathered.
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