HP Elite X3 User Manual
Page 28
Connect the lap dock to external AC power under any of the following conditions:
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When charging or calibrating a battery
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When updating the firmware
When you connect the lap dock to external AC power, the following events occur:
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The battery begins to charge.
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If the lap dock is turned on, the battery charge level lights blink.
When you disconnect external AC power, the following events occur:
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The lap dock switches to battery power.
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The display brightness is automatically decreased to save battery life.
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Chapter 6 Power management