367426-xx1.book Page 1 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.
367426-xx1.book Page 2 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Component Description 1 fn+f3 Initiates Standby. 2 Power/standby switch When the tablet PC is ■ Off, slide to the left and release to turn on the tablet PC. ■ In Standby, slide to the right or left and release to exit Standby. ■ In Hibernation, slide to the right or left and release to exit Hibernation. ■ On, slide to the right and release to enter Standby.
67426-xx1.book Page 3 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Component Description 4 Standby light Blinking green: The tablet PC is in Standby mode. 5 Power/standby light Green: The tablet PC is on. Blinking green: The tablet PC is in Standby mode. 6 Battery light Amber: A battery pack is charging. Green: A battery pack is close to full charge capacity.
367426-xx1.book Page 4 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Selecting a Power Source The tablet PC can run on internal or external AC power. The following table indicates the best power sources for common tasks.
367426-xx1.book Page 5 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Standby and Hibernation Standby and Hibernation are energy-saving features that conserve power and reduce startup time. They can be initiated by you or by the system. Refer to the “Initiating Standby, Hibernation or Shutdown” section in this chapter for details about when to use each setting.
367426-xx1.book Page 6 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Hibernation is enabled, select Start > Control Panel > Power Options > Hibernate tab. Make sure that the Enable hibernate support check box is selected. Ä CAUTION: If the configuration of the tablet PC is changed during Hibernation, resuming from Hibernation may not be possible. When the tablet PC is in Hibernation: ■ Do not dock or undock the tablet PC in a docking device.
367426-xx1.book Page 7 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power When the Power Supply Is Uncertain Make sure that Hibernation remains enabled, especially if you are operating the tablet PC on battery power and do not have access to an external power supply. If the battery pack fails, Hibernation saves your work to a hibernation file and shuts down the tablet PC.
367426-xx1.book Page 8 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Using the Default Power Settings The following tables describe the factory power settings on the tablet PC. You can change many of these settings according to your preference. For more information on changing power settings, refer to the “Managing Power Options” section in this chapter. Turning the Tablet PC or Display On or Off Task Procedure Result Turn on the tablet PC.
367426-xx1.book Page 9 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Initiating or Restoring from Hibernation Task Procedure Result Initiate Hibernation. ■ Select Start > Shut Down> Hibernate > OK. (If the Hibernate option is not displayed, press and hold the shift key.) ■ The power light and power/standby light are turned off. ■ If Hibernation has been configured, slide the power/standby switch to the right or left. ■ The screen clears.
367426-xx1.book Page 10 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Initiating or Resuming from Standby Task Procedure Result Initiate Standby. ■ Slide the power/standby switch to the right. ■ ■ With the tablet PC on, press fn+f3. The power light and power/standby light blink. ■ The screen clears. ■ The standby light and power/standby light blink. ■ The screen clears. ■ The standby light and power/standby light are turned off.
367426-xx1.book Page 11 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Using Emergency Shutdown Procedures Ä CAUTION: Emergency shutdown procedures result in the loss of unsaved data. If the tablet PC is unresponsive and you are unable to use normal Windows shutdown procedures, try the following emergency procedures, in the sequence provided: ■ Press ctrl+alt+delete. Select Shut Down.
367426-xx1.book Page 12 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Accessing the Power Options Window To access the Power Options window, double-click the Power Meter icon on the taskbar, or select Start > Control Panel > Power Options. Displaying the Power Meter Icon The Power Meter icon is on your taskbar by default. The icon changes shape to indicate whether the tablet PC is running on a battery pack or external power.
367426-xx1.book Page 13 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power To set a power scheme: 1. Access the Power Options window, and then select the Power Schemes tab. 2. Select the power scheme you wish to modify, and adjust options in the lists on the screen. 3. Select Apply. Using a Security Password You can add a security feature that prompts you for a password when the tablet PC is turned on or restores from Standby or Hibernation.
367426-xx1.book Page 14 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power The power scheme you select determines how the processor performs when the tablet PC is connected to external power or is running on battery power. Each power scheme for external power or battery power sets a specific processor state. Different states may be used, depending on whether the tablet PC is running on external or battery power.
367426-xx1.book Page 15 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Processor Performance While on External Power Processor Performance While on Battery Power Always On Always runs at the highest performance state. Always runs at the highest performance state. Minimal Power Management Performance state is determined based on CPU demand. Performance state is determined based on CPU demand.
367426-xx1.book Page 16 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power However, battery packs in the tablet PC slowly discharge when the tablet PC is turned off. For this reason, the primary battery pack is not shipped inside the tablet PC and must be inserted before the tablet PC can run on battery power.
367426-xx1.book Page 17 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power 3. Press the battery pack 2 into the tablet PC.
367426-xx1.book Page 18 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power To remove a primary battery pack: 1. Turn the tablet PC upside down with the battery bay toward you. 2. Press the battery release latch 1 to the right. 3. Slide the battery pack 2 out of the tablet PC. Attaching or Detaching an Optional Travel Battery To attach an optional travel battery: 1. Turn the tablet PC upside down with the primary battery bay toward you.
367426-xx1.book Page 19 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power 2. Open the travel battery connector on the bottom of the tablet PC by sliding the cover to the right.
367426-xx1.book Page 20 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power 3. Insert the tabs on the travel battery caddy into the recesses on the bottom of the tablet PC 1. 4. Press the travel battery caddy onto the tablet PC until it snaps into place 2. 5. Slide the locking latch 3.
367426-xx1.book Page 21 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power To detach an optional travel battery: 1. Unlock the travel battery from the tablet PC by sliding the locking switch 1. 2. Press the release latch 2. 3. Lift the travel battery 3 up and away from the tablet PC. Charging Battery Packs Multiple battery packs in the system charge and discharge in a preset sequence: ■ Charge sequence: 1. Primary battery in the tablet PC battery bay 2.
367426-xx1.book Page 22 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power While a battery pack is charging, the battery light on the tablet PC is on. The light is turned off when all battery packs are fully charged. packs can also be charged in the optional HP Universal ✎ Battery Charger.
367426-xx1.book Page 23 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power ■ Optional 90W Air/Auto/AC Combo Adapter optional Aircraft Power Adapter can run the tablet PC, but it ✎ An cannot charge a battery pack. Charging an Optional Travel Battery The battery pack in the travel battery charges when it is attached to the tablet PC and the tablet PC is connected to external power.
367426-xx1.book Page 24 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power ■ Allow a battery pack to discharge to 10 percent of a full charge through normal use before charging it. ■ When you charge a battery pack, charge it fully. Monitoring the Charge of a Battery Pack This section explains several ways you can determine the amount of charge in your battery pack.
367426-xx1.book Page 25 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Viewing Charge Displays To view information about the status of any battery pack in the tablet PC: ■ Select the Power Meter icon on the taskbar. -or- ■ Select Start > Control Panel > Power Options > Power Meter tab. Interpreting Charge Displays Most charge displays report battery status as both a percentage and as the number of minutes of charge remaining.
367426-xx1.book Page 26 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Identifying Low-Battery Conditions This section explains how to identify low and critical low-battery conditions. Low-Battery Condition When a battery pack that is the only power source for the tablet PC reaches a low-battery condition, the battery light blinks.
367426-xx1.book Page 27 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power When External Power Is Available To resolve a low-battery condition when external power is available, do one of the following: ■ Connect the AC adapter. ■ Plug an optional Automobile Power Adapter/Charger into the tablet PC and into a vehicle cigarette lighter receptacle.
367426-xx1.book Page 28 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power 2. Exit Hibernation by pressing the power/standby switch to the right or left. Calibrating a Battery Pack This section describes when and how to calibrate a battery pack. When to Calibrate Even if a battery pack is heavily used, it should not be necessary to calibrate it more than once a month. It is not necessary to calibrate a new battery pack before first use.
367426-xx1.book Page 29 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Discharging the Battery Pack Before you begin a full discharge, disable Hibernation. To disable Hibernation: 1. Select Start > Control Panel > Power Options > Hibernate tab. 2. Clear the Enable Hibernation check box. 3. Select Apply. The tablet PC must remain on while the battery pack is being discharged.
367426-xx1.book Page 30 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power 4. Select OK. 5. Disconnect the tablet PC from the external power source, but do not turn off the tablet PC. 6. Run the tablet PC on battery power until the battery pack is fully discharged. The battery light begins to blink when the battery pack has discharged to a low-battery condition.
367426-xx1.book Page 31 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Conserving Battery Power Using the battery conservation procedures and settings described in this section extends the time that a battery pack can run the tablet PC from a single charge. Conserving Power As You Work To conserve power as you use the tablet PC: ■ Turn off wireless and local area network (LAN) connections and exit modem applications when you are not using them.
367426-xx1.book Page 32 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Selecting Power Conservation Settings To set the tablet PC to conserve power: ■ Select a short wait for the screen saver and select a screen saver with minimal graphics and motion. To access screen saver settings, select Start > Control Panel > Display > Screen Saver tab. ■ Select a Power Scheme with low-power-use settings through the operating system.
367426-xx1.book Page 33 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.fm PN: HP-367186-001 Power Disposing of a Used Battery Pack Å WARNING: There is a risk of fire and chemical burn if a battery pack is handled improperly. Do not disassemble, crush, or puncture a battery pack or short the contacts on a battery pack. Do not expose a battery pack to temperatures higher than 60°C (140°F), or dispose of a battery pack in water or fire.
367426-xx1.book Page 34 Tuesday, August 24, 2004 4:02 PM DRAFT Revised: 8/24/04 File: Chap2.
