Page 2
Bluetooth is a trademark owned by its common to most models. Some features otherwise using any software product proprietor and used by Hewlett-Packard may not be available on your computer. preinstalled on this computer, you agree to Company under license. Intel is a be bound by the terms of the HP End User trademark of Intel Corporation in the U.S.
Page 3
Safety warning notice WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block airflow.
Table of contents 1 Starting right ..............................1 Best practices ............................1 Fun things to do ............................ 2 More HP resources ..........................3 2 Getting to know your computer ........................4 Finding your hardware and software information ................. 4 Locating hardware ....................... 4 Locating software .........................
Page 6
Protecting your WLAN ..................21 Connecting to a WLAN ..................21 Using Bluetooth wireless devices ..................22 Connecting to a wired network ......................23 Connecting to a local area network (LAN) ................. 23 4 Enjoying entertainment features ......................... 24 Using the webcam ..........................26 Using audio ............................
Page 7
Using the integrated numeric keypad ................41 6 Managing power ............................42 Initiating Sleep and Hibernation ......................43 Intel Rapid Start Technology (select models only) ............43 Initiating and exiting Sleep ....................44 Enabling and exiting user-initiated hibernation ..............44 Setting password protection on wakeup ................
Page 8
8 Maintaining your computer .......................... 62 Improving performance ........................62 Handling drives ........................62 Replacing a hard drive ....................... 63 Using HP 3D DriveGuard ....................65 Using Disk Defragmenter ....................65 Using Disk Cleanup ......................65 Adding or replacing memory modules ................66 Updating programs and drivers ......................
Page 9
11 Backing up, restoring, and recovering ..................... 81 Creating recovery media and backups ....................82 Creating HP Recovery media .................... 83 Restore and recovery ......................... 84 Using Windows Refresh for quick and easy recovery ............85 Remove everything and reinstall Windows ................ 85 Recovering using HP Recovery Manager ................
Starting right This computer is a powerful tool designed to enhance your work and entertainment. To get the most out of your computer, read this chapter to learn about best practices after setup, fun things to do with your computer, and where to go to get more HP resources. Best practices To get the most out of your smart investment, after you set up and register the computer, we recommend the following step...
Fun things to do ● You know you can watch a YouTube video on the computer. But did you know that you can also connect your computer to a TV or gaming console? For more information, see Connecting an HDMI device on page ●...
North America: Hewlett-Packard, MS POD, 11311 Chinden Blvd., Boise, ID 83714, USA ● Europe, Middle East, Africa: Hewlett-Packard, POD, Via G. Di Vittorio, 9, 20063, Cernusco s/Naviglio (MI), Italy ● Asia Pacific: Hewlett-Packard, POD, P.O. Box 200, Alexandra Post Office, Singapore 911507 When you request a printed copy of your warranty, please include your product number, warranty period (found on your service label), name, and postal address.
Getting to know your computer Finding your hardware and software information Locating hardware To find out what hardware is installed on your computer: From the Start screen, type c, and then select Control Panel. Select System and Security, and then in the System area, click Device Manager. A list displays all the devices installed in your computer.
Right side Component Description ● Power light White: The computer is on. ● Blinking white: The computer is in the Sleep state, which is an energy-saving mode. The computer shuts off power to the display and other unneeded components. ● Off: The computer is off or in Hibernation.
Page 16
Component Description ● AC adapter light White: The AC adapter is connected and the battery is charged. ● Amber: The AC adapter is connected and the battery is charging. ● Off: The computer is using DC power. Power connector Connects an AC adapter. (10) Security cable slot Attaches an optional security cable to the computer.
Left side Component Description Vent Enables airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. External monitor port Connects an external VGA monitor or projector.
Rear Component Description Vent Enables airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. Chapter 2 Getting to know your computer...
Display Component Description WLAN antennas (2)* Send and receive wireless signals to communicate with wireless local area networks (WLANs). Internal microphones (2) Record sound. HP TrueVision HD Webcam Records video, captures still photographs, allows video conferences and online chat by means of streaming video. To use the webcam, from the Start screen, type c, and then select CyberLink YouCam.
TouchPad Component Description TouchPad on/off button Turns the TouchPad on or off. ● TouchPad light On: The TouchPad is off. ● Off: The TouchPad is on. TouchPad zone Moves the on-screen pointer and selects or activates items on the screen. Left TouchPad button Functions like the left button on an external mouse.
Lights Component Description ● Power light White: The computer is on. ● Blinking white: The computer is in the Sleep state, which is an energy-saving mode. The computer shuts off power to the display and other unneeded components. ● Off: The computer is off or in Hibernation. Hibernation is an energy-saving mode that uses the least amount of power.
Buttons, speakers, and fingerprint reader Component Description ● Power button When the computer is off, press the button to turn on the computer. ● When the computer is in the Sleep state, press the button briefly to exit Sleep. ● When the computer is in Hibernation, press the button briefly to exit Hibernation.
Page 23
Component Description Speakers (2) Produce sound. Fingerprint reader Allows a fingerprint logon to Windows, instead of a password logon.
Keys Component Description Displays system information when pressed in combination with the key. Executes frequently used system functions when pressed in combination with the key or the key. Windows logo key Displays the Desktop or the Start screen. Enables or disables Beats Audio when pressed in combination with the key.
Page 25
Component Description num lock Controls the function of the integrated numeric keypad. Press the key to alternate between the standard numeric function of an external keypad (selected at the factory) and the navigational function (indicated by the directional arrows on the keys). NOTE: The keypad function that is active when the computer is turned off is reinstated when the computer is...
Bottom Component Description Integrated subwoofer Provides superior bass sound. Battery bay Holds the battery. Battery release latch Releases the battery from the battery bay and opens the service door. Vents (3) Enable airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating.
Labels The labels affixed to the computer provide information you may need when you troubleshoot system problems or travel internationally with the computer. The labels are in easily accessible locations. ● Service label—Provides important information, including the following: Component Product name Serial number Product part number Warranty period...
Connecting to a network Your computer can travel with you wherever you go. But even at home, you can explore the globe and access information from millions of websites using your computer and a wired or wireless network connection. This chapter will help you get connected to that world. Connecting to a wireless network Wireless technology transfers data across radio waves instead of wires.
Using the wireless button The computer has a wireless button, one or more wireless devices, and one or two wireless lights, depending on the model. All of the wireless devices on your computer are enabled at the factory, so the wireless light is on (white) when you turn on the computer. The wireless light indicates the overall power state of your wireless devices, not the status of individual devices.
Using an Internet service provider When you are setting up Internet access in your home, you must establish an account with an Internet service provider (ISP). To purchase Internet service and a modem, contact a local ISP. The ISP will help set up the modem, install a network cable to connect your wireless router to the modem, and test the Internet service.
Protecting your WLAN When you set up a WLAN or access an existing WLAN, always enable security features to protect your network from unauthorized access. WLANs in public areas (hotspots) like coffee shops and airports may not provide any security. If you are concerned about the security of your computer when connected to a hotspot, limit your network activities to email that is not confidential and basic Internet surfing.
Using Bluetooth wireless devices A Bluetooth device provides short-range wireless communications that replace the physical cable connections that traditionally link electronic devices such as the following: ● Computers (desktop, notebook, PDA) ● Phones (cellular, cordless, smart phone) ● Imaging devices (printer, camera) ●...
Connecting to a wired network There are 2 kinds of wired connections: local area network (LAN) and modem connection. A LAN connection uses a network cable and is much faster than a modem connection, which uses a telephone cable. Both cables are sold separately. WARNING! To reduce the risk of electric shock, fire, or damage to the equipment, do not plug a modem cable or telephone cable into an RJ-45 (network) jack.
Enjoying entertainment features Use your HP computer as an entertainment hub to socialize via the webcam, enjoy and manage your music, and download and watch movies. Or, to make your computer an even more powerful entertainment center, connect external devices like speakers, headphones, monitor, projector, TV, and, on select models, high-definition devices.
Page 35
Component Description Webcam light On: The webcam is in use. Speakers (4) Produce sound. Optical drive Reads and writes (select models only) to an optical disc. USB 2.0 port Connects an optional USB device. NOTE: For details about different types of USB ports, see Using a USB device on page USB 3.0 ports (3)
Using the webcam Your computer has an integrated webcam, a powerful social networking tool that allows you to communicate up close with friends and colleagues next door or on the other side of the world. With the webcam, you can stream video with your instant messaging software, capture and share video, and take still photos.
Enabling and Disabling Beats Audio ▲ To enable or disable Beats Audio, press the key in combination with the key. Checking the sound To check the audio functions on your computer, follow these steps: From the Start screen, type c, and then select Control Panel from the list of apps. Select Hardware and Sound >...
Using video Your HP computer is a powerful video device that enables you to watch streaming video from your favorite websites and download video and movies to watch on your computer, without needing to access a network. To enhance your viewing enjoyment, use one of the video ports on the computer to connect an external monitor, projector, or TV.
Page 39
NOTE: Adjust the screen resolution of the external device, especially if you choose the “Extend” option. From the Start screen, type c, and then select Control Panel from the list of apps. Select Appearance and Personalization. Under Display, select Adjust screen resolution for best results.
Connecting an HDMI device To see the computer screen image on a high-definition TV or monitor, connect the high-definition device according to the following instructions. To connect an HDMI device to your computer, you need an HDMI cable, sold separately. To connect a high-definition TV or monitor to your computer: Connect one end of the HDMI cable to the HDMI port on the computer.
Configuring audio settings (with HDMI TV) HDMI is the only video interface that supports high-definition video and audio. After you connect an HDMI TV to the computer, you can then turn on HDMI audio by following these steps: On the Desktop, right-click the Speaker icon in the notification area, at the far right of the taskbar, and then click Playback devices.
Navigating using touch gestures, pointing devices and the keyboard Your computer allows navigation using touch gestures (select models only) in addition to the keyboard and mouse. Touch gestures can be used on your computer TouchPad or on a touch screen (select models only).
Using the TouchPad The TouchPad allows you to navigate the computer with simple finger movements. You can customize the touch gestures by changing settings, button configurations, click speed, and pointer options. From the Start screen, type c to display the Apps list. Select Control Panel, and then select Hardware and Sound.
Using TouchPad gestures A TouchPad allows you to control the pointing device on the screen using your fingers. TIP: Use the left and right buttons on the TouchPad as you would use the corresponding buttons on a external mouse. NOTE: TouchPad gestures are not supported in all apps.
Scrolling Scrolling is useful for moving up, down, or sideways on a page or image. ● Place two fingers slightly apart on the TouchPad zone and then drag them up, down, left, or right. Pinching/zooming Pinching and zooming allow you to zoom in or out on images or text. ●...
Rotating (select models only) Rotating allows you to turn items such as photos. ● Point to an object, then anchor the forefinger of your left hand in the TouchPad zone. Using your right hand, slide your forefinger in a sweeping motion from 12 o’clock to 3 o’clock. To reverse the rotation, move your forefinger from 3 o’clock to 12 o’clock.
Flicking (select models only) Flicking allows you to navigate through screens or quickly scroll through documents. ● Place three fingers on the TouchPad zone and flick your fingers in a light, quick motion up, down, left or right. Edge swipes Edge swipes allow you to perform tasks such as changing settings and finding or using apps.
Top-edge swipe The top-edge swipe allows you to open apps available on the Start screen. IMPORTANT: When an app is active, the top-edge gesture varies depending on the app. ● Slide your finger gently from the top edge to display available apps. Left-edge swipe The left-edge swipe reveals thumbnails of your open apps so that you can switch to them quickly.
Using the keyboard and mouse The keyboard and mouse allow you to type, select items, scroll and to perform the same functions as you do by using touch gestures. The keyboard also allows you to use action keys and hot keys to perform specific functions.
Icon Description Turns the radiance backlight keyboard feature off or on. NOTE: To conserve battery power, turn off this feature. Plays the previous track of an audio CD or the previous section of a DVD or a BD. Begins, pauses, or resumes playback of an audio CD, a DVD, or a BD. Plays the next track of an audio CD or the next section of a DVD or a BD.
Using the hot keys A hot key is a combination of the key and the key, the key, or the spacebar. To use a hot key: ▲ Briefly press the key, and then briefly press the second key of the combination. Function Hot key Description...
Managing power Your computer can operate on either battery power or external power. When the computer is only running on battery power and an AC power source is not available to charge the battery, it is important to monitor and conserve the battery charge. Your computer supports power plans to manage how your computer uses and conserves power so that you can balance computer performance with power conservation.
Initiating Sleep and Hibernation Microsoft® Windows has two power-saving states, Sleep and Hibernation. ● Sleep–The Sleep state is automatically initiated after a period of inactivity when running on battery power or on external power. Your work is saved to memory, allowing you to resume your work very quickly.
Initiating and exiting Sleep With the computer on, you can initiate Sleep in any of the following ways: ● Close the display. ● From the Start screen, point to the upper-right or lower-right corner of the screen. When the charms list opens, click Settings, click the Power icon, and then click Sleep. To exit Sleep: ●...
Setting password protection on wakeup To set the computer to prompt for a password when the computer exits Sleep or Hibernation, follow these steps: From the Start screen, type power, select Settings, and then select Power Options. In the left pane, click Require a password on wakeup. Click Change Settings that are currently unavailable.
Using the power meter and power settings The power meter is located on the Desktop. The power meter allows you to quickly access power settings and view the remaining battery charge. ● To display the percentage of remaining battery charge and the current power plan, on the Windows Desktop, point over the power meter icon.
Running on battery power When a charged battery is in the computer and the computer is not plugged into external power, the computer runs on battery power. If the computer has a charged battery installed and the AC adapter is disconnected from the computer, the computer automatically switches to battery power and the display brightness decreases to conserve battery life.
Finding battery information To monitor the status of your battery, or if the battery is no longer holding a charge, run Battery Check in HP Support Assistant. To access battery information, select the HP Support Assistant app on the Start screen, and then select Battery and performance. HP Support Assistant provides the following tools and information about the battery: ●...
Resolving a low battery level Resolving a low battery level when external power is available ● Connect an AC adapter. ● Connect an optional docking or expansion device. ● Connect an optional power adapter purchased as an accessory from HP. Resolving a low battery level when no power source is available Save your work and shut down the computer.
Running on external AC power For information on connecting to AC power, refer to the Setup Instructions poster provided in the computer box. The computer does not use battery power when the computer is connected to AC external power with an approved AC adapter or an optional docking/expansion device.
Troubleshooting power problems Test the AC adapter if the computer exhibits any of the following symptoms when it is connected to AC power: ● The computer does not turn on. ● The display does not turn on. ● The power lights are off. To test the AC adapter: Shut down the computer.
HP CoolSense (select models only) HP CoolSense automatically detects when the computer is not in a stationary position and adjusts performance and fan settings to keep the surface temperature of your computer at the optimum level of comfort. When HP CoolSense is off, the position of the computer is not detected and the performance and fan options remain at the factory setting.
Shutting down (turning off) the computer CAUTION: Unsaved information is lost when the computer shuts down. Be sure to save your work before shutting down the computer. The Shut down command closes all open programs, including the operating system, and then turns off the display and computer.
Managing and sharing information Drives are digital storage devices that help you store, manage, share, and access information. Your computer has an internal hard drive or a solid state drive that stores your computer's software, operating system, and also provides storage for all of your personal files. Some computers have a built-in optical drive that allows you to read or write to a CD, DVD, or (on select models) Blu-ray Disc (BD).
Using a USB device Most computers have more than one USB port, because this versatile interface allows you to connect to numerous kinds of external devices to your computer, such as a USB keyboard, mouse, external drive, printer, scanner, or USB hub. Your computer has more than one type of USB port.
Removing a USB device CAUTION: To reduce the risk of damage to a USB connector, do not pull on the cable to remove the USB device. CAUTION: To reduce the risk of loss of information or an unresponsive system, use the following procedure to safely remove the USB device.
Inserting and removing a digital storage card To insert a digital storage card: CAUTION: To reduce the risk of damage to the digital card connectors, use minimal force to insert a digital card. Hold the card label-side up, with the connectors facing the computer. Insert the card into the digital storage slot, and then press in on the card until it is firmly seated.
Using optical drives An optical disc drive uses laser light to read or store large amounts of information. Some drives can only read information, but others can also write (burn) information onto a blank disc. Use these tips for best performance of your optical drive: ●...
such a BD movie release is inserted in the drive. Follow the on-screen instructions to install the update. ● If lines appear on the display when viewing a BD, they may be caused by interference from the wireless network. To resolve the issue, close any open applications and turn off your wireless feature.
Removing an optical disc Press the release button (1) on the drive bezel to release the disc tray, and then gently pull out the tray (2) until it stops. Remove the disc (3) from the tray by gently pressing down on the spindle while lifting the outer edges of the disc.
Sharing data and drives and accessing software When your computer is part of a network, you are not limited to using only the information that is stored in your computer. Network computers can exchange software and data with each other. NOTE: When a disc like a DVD movie or game is copy-protected, it cannot be shared.
Maintaining your computer It is important to perform regular maintenance to keep your computer in optimal condition. This chapter provides information about improving the performance of your computer by running tools such as Disk Defragmenter and Disk Cleanup and by replacing a hard drive or adding memory. It also provides information about updating your programs and drivers, instructions for cleaning your computer, and tips for traveling with your computer.
● Do not type on the keyboard or move the computer while an optical drive is writing to a disc. The write process is sensitive to vibration. ● Before you move a computer that is connected to an external hard drive, initiate Sleep and allow the screen to clear, or properly disconnect the external hard drive.
Page 74
Slide the hard drive tab (3) to the left, and then lift the hard drive out of the hard drive bay. NOTE: After removing the hard drive from the computer, you must remove the hard drive bracket to access the hard drive itself. Remove the 4 screws (1) from the hard drive bracket.
Using HP 3D DriveGuard HP 3D DriveGuard protects a hard drive by parking the drive and halting data requests under either of the following conditions: ● You drop the computer. ● You move the computer with the display closed while the computer is running on battery power. A short time after the end of one of these events, HP 3D DriveGuard returns the hard drive to normal operation.
Adding or replacing memory modules Adding memory can help improve your computer's performance. Your computer is like your physical work area. The hard drive is the filing cabinet where you store your work and the memory is the desk where you work. When your memory isn’t big enough to hold all your work easily, like a desk overflowing with work, your productivity slows down.
Page 77
Grasp the edge of the memory module (2), and then gently pull the module out of the memory module slot. CAUTION: To prevent damage to the memory module, hold the memory module by the edges only. Do not touch the components on the memory module. To protect a memory module after removal, place it in an electrostatic-safe container.
Page 78
Replace the service door. Replace the battery. Turn the computer right-side up, and then reconnect external power and external devices. Turn on the computer. Chapter 8 Maintaining your computer...
Updating programs and drivers HP recommends that you update your programs and drivers on a regular basis to the latest versions. Updates can resolve issues and bring new features and options to your computer. Technology is always changing, and updating programs and drivers allows your computer to run the latest technology available.
Traveling with or shipping your computer If you have to travel with or ship your computer, here are some tips to keep in mind to keep your equipment safe. ● Prepare the computer for traveling or shipping: ◦ Back up your information to an external drive. ◦...
Securing your computer and information Computer security is essential for protecting the confidentiality, integrity, and availability of your information. Standard security solutions provided by the Windows operating system, HP apps, the non-Windows Setup Utility (BIOS), and other third-party software can help protect your computer from a variety of risks, such as viruses, worms, and other types of malicious code.
Using passwords A password is a group of characters that you choose to secure your computer information and to protect online transactions. Several types of passwords can be set. For example, when you set up your computer for the first time, you were asked to create a user password to secure your computer. Additional passwords can be set in Windows or in the HP Setup Utility (BIOS) that is preinstalled on your computer.
Setting Setup Utility (BIOS) passwords Password Function ● Administrator password Must be entered each time you access Setup Utility (BIOS). ● If you forget your administrator password, you cannot access Setup Utility (BIOS). NOTE: The administrator password can be used in place of the power-on password.
Using HP SimplePass (select models only) HP SimplePass provides an easy-to-use interface to help secure your computer and simplify the way you log on to your computer and password-protected websites. Use a registered fingerprint to: ● Log on to Windows. ●...
Using Internet security software When you use your computer to access email, a network, or the Internet, you potentially expose your computer to computer viruses, spyware, and other online threats. To help protect your computer, Internet security software that includes antivirus and firewall features may be preinstalled on your computer as a trial offer.
Installing software updates HP, Microsoft Windows, and third-party software installed on your computer should be regularly updated to correct security problems and improve software performance. For more information, see Updating programs and drivers on page Installing Windows updates Updates to the operating system and other software may have become available after the computer left the factory.
Securing your wireless network When you set up your wireless network, always enable security features. For more information, see Protecting your WLAN on page Backing up your software apps and information Regularly back up your software apps and information to protect them from being permanently lost or damaged through a virus attack or a software or hardware failure.
10 Using Setup Utility (BIOS) and System Diagnostics Setup Utility, or Basic Input/Output System (BIOS), controls communication between all the input and output devices on the system (such as disk drives, display, keyboard, mouse, and printer). Setup Utility (BIOS) includes settings for the types of devices installed, the startup sequence of the computer, and the amount of system and extended memory.
Downloading a BIOS update CAUTION: To reduce the risk of damage to the computer or an unsuccessful installation, download and install a BIOS update only when the computer is connected to reliable external power using the AC adapter. Do not download or install a BIOS update while the computer is running on battery power, docked in an optional docking device, or connected to an optional power source.
Using System Diagnostics System Diagnostics allows you to run diagnostic tests to determine if the computer hardware is functioning properly. To start System Diagnostics: Turn on or restart the computer, quickly press esc, and then press f2. Click the diagnostic test you want to run, and then follow the on-screen instructions. NOTE: If you need to stop a diagnostic test while it is running, press esc.
11 Backing up, restoring, and recovering Your computer includes tools provided by HP and the operating system to help you safeguard your information and retrieve it if you ever need to. These tools will help you return your computer to a proper working state or even back to the original factory state, all with simple steps.
Creating recovery media and backups Recovery after a system failure is only as good as your most recent backup. After you successfully set up the computer, create HP Recovery media. This step creates a backup of the HP Recovery partition on the computer. The backup can be used to reinstall the original operating system in cases where the hard drive is corrupted or has been replaced.
Creating HP Recovery media HP Recovery Manager is a software program that offers a way to create recovery media after you successfully set up the computer. HP Recovery media can be used to perform system recovery if the hard drive becomes corrupted. System recovery reinstalls the original operating system and the software programs installed at the factory, and then configures the settings for the programs.
Restore and recovery There are several options for recovering your system. Choose the method that best matches your situation and level of expertise: ● If you need to restore your personal files and data, you can use Windows File History to restore your information from the backups you created.
Using Windows Refresh for quick and easy recovery When your computer is not working properly and you need to regain system stability, the Windows Refresh option allows you to start fresh and keep what is important to you. IMPORTANT: Refresh removes any traditional applications that were not originally installed on the system at the factory.
Click Change PC settings in the bottom-right corner of the screen, and then select General from the PC settings screen. Under Remove everything and reinstall Windows, select Get started, and follow the on- screen instructions. Recovering using HP Recovery Manager HP Recovery Manager software allows you to recover the computer to its original factory state.
Using the HP Recovery partition to recover a minimized image (select models only) The HP Recovery partition (select models only) allows you to perform a minimized image recovery without the need for recovery discs or a recovery USB flash drive. This type of recovery can only be used if the hard drive is still working.
Removing the HP Recovery partition HP Recovery Manager software allows you to remove the HP Recovery partition to free up hard drive space. IMPORTANT: Removing the HP Recovery partition means you can no longer use Windows Refresh, the Windows Remove everything and reinstall Windows option, or the HP Recovery Manager option for minimized image recovery.
12 Specifications Input power The power information in this section may be helpful if you plan to travel internationally with the computer. The computer operates on DC power, which can be supplied by an AC or a DC power source. The AC power source must be rated at 100–240 V, 50–60 Hz.
Operating environment Factor Metric U.S. Temperature Operating 5°C to 35°C 41°F to 95°F Nonoperating -20°C to 85°C -4°F to 185°F Relative humidity (noncondensing) Operating 5% to 95% 5% to 95% Nonoperating 5% to 95% 5% to 95% Maximum altitude (unpressurized) Operating -15 m to 3,048 m -50 ft to 10,000 ft...
13 Electrostatic Discharge Electrostatic discharge is the release of static electricity when two objects come into contact—for example, the shock you receive when you walk across the carpet and touch a metal door knob. A discharge of static electricity from fingers or other electrostatic conductors may damage electronic components.