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To check the battery gauge • Locate the gauge on the back of the battery and press the button. The indicator lights show the remaining charge. Each light represents approximately 20% of the total charge. Press 36 Chapter 3 Using the system Charging the battery When the system is connected to AC power, the battery automatically charges until it reaches full charge, whether the unit is on or off. For information about the battery status light on the front of the unit, see “Status lights” on page 10. DANGER: To avoid injury, keep the battery within the recommended temperature range when charging it. If the battery has been subjected to extreme temperatures, wait until it cools to room temperature before recharging it. For more information, see the Safety and Regulatory Guide packaged with the system. Removing and replacing the battery Before you remove the battery, ensure that the tablet is plugged in, turned off, or in Hibernate (page 40), Standby (page 39), or Sleep mode (Vista) (page 38). To remove the battery 1. With the back of the unit facing you, slide and hold the battery latch. 2. Insert your finger under the finger grip and remove the battery from the battery compartment. To replace the battery 1. Place the tabbed end of the battery into the battery compartment. 2. Press the battery down until it locks in to place. 1 2 Swapping the battery You can swap the standard battery while the system is on, with or without having the system plugged in to AC power. To swap batteries 1. Put the tablet in Hibernate (page 40), Standby (page 39), or Sleep (Vista) (page 38) mode. • With Standby, the system will maintain your data for up to 30 seconds while you swap the battery. You may have less than 30 seconds if you have several applications running. • With Hibernate, you will have as long as you need to swap the battery. 2. Remove the battery (page 36). 3. Insert the new battery (page 36). Important: Use only Motion Computing batteries with the system. Long-term battery storage (not attached to tablet) Do not store any batteries with a full charge; this can cause a permanent loss of charging capacity. For long-term storage, ensure that the charge level is between 20% and 40% (two contiguous LEDs illuminated). You should check stored batteries every 90 days to determine the charge status. If only one LED or no LED is illuminated, recharge the batteries to a level between 20% and 40%. For optimum care, store the battery in a cool, dry environment. Never expose the battery to temperatures above 60.C (140.F). Note: In storage, the batteries will self-discharge at a rate of 10% of the total capacity per month. Battery and power management tips • To lengthen the battery’s usable life, use AC power when you can. The battery will charge automatically while you run on AC power, so leave the battery in the unit while you are working. • Use AC power when using a CD or DVD drive. • When running on battery power, place the system in Hibernate (page 40), Standby (page 39), or Sleep (page 38) mode if you are going to leave it unattended for more than a few minutes. • Remember that the display, processor, wireless cards, and accessory drives all draw on the battery, so adjust properties and disable unused accessories while running on battery power. Open the Motion Dashboard to change the power and device settings. • When running on battery power, adjust the display brightness to the dimmest setting you are comfortable with. See “Adjusting the display brightness” on page 25. Chapter 3 Using the system Disposing of used batteries A Lithium-ion (Li-ion) battery should be disposed of at a hazardous materials recycling center when it is no longer serviceable. Do not throw it in a waste receptacle because the battery could be deposited in a landfill. Using power management Windows XP and Windows Vista include a comprehensive suite of power management functions that can help you maximize your tablet’s performance or conserve power. To select a power plan 1. Open Motion Dashboard to the Power panel (page 20). 2. For Power plan or Power scheme, select the appropriate option. For more information, see the Dashboard Help. Power management on Windows Vista This section describes sleep and hibernate for tablets running Windows Vista. For information about creating and using power plans, see the Dashboard Help. For more information about power management settings, open Windows Help and Support and search for “power options”. Using Sleep Windows Vista offers a feature called Sleep that combines the benefits of Standby and Hibernate. When you put your tablet to sleep, your work is saved to the hard disk. When your tablet wakes, Windows restores your previous work session within seconds. You can put your tablet to sleep manually from the Start button, or you can set it up to go to sleep when you press the power switch. To set up the power switch to put the computer to sleep 1. Open Motion Dashboard to the Power panel (page 20). 2. Select one or b...
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