Dell S500WI manual LED Indicator on Interactive Pen, Docking Charger Specification Power Supply

LED Indicator on Interactive Pen

Amber LED Solid	The Amber LED will turn solid ON during the charge
On	process.
Amber LED Off	Once battery is fully charged, the LED will turn OFF
	indicating "Charge Complete".
Amber LED	If the Amber LED starts FLASHING (0.4sec ON, 0.6sec
Flashing	OFF, 1sec per flashing cycle), it indicates no charging takes
	place. Charger error or bad battery is identified.
Docking Charger Specification (Power Supply)
Model:		Interactive Projector Pen Charging Station
Power Supply:		Input AC 100-240 V, 50-60 Hz, 0.2 A
		Output DC 5 V/1 A
Maximum temperature:		40 ºC

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Using Your Projector