Battery Operation
4 EPM-P Battery Operation
Charging Times The battery charges automatically when the power meter is connected
to an ac source. From an empty state, the battery is fully charged in
approximately 3 hours.
Backlight Working with the backlight off reduces the drain on the battery and
increases the operating time. When you are operating the power meter
under battery power you can turn the display backlight off or on, or set
it to timed mode. In timed mode the display backlight turns off 10
minutes after the last key press - the display can be turned on again by
pressing any key.
The display can be comfortably read in ambient daylight with the
backlight off.
To access the backlight menu press , , . Use the
softkeys on the menu to select either , , or .
NOTE When the power meter is connected to an ac power source the
backlight menu is greyed out and backlighting is on.
System More
Battery
On
Off
Timed
battery-operation.fm Page 4 Thursday, May 30, 2002 4:54 PM
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