E14877 First Edition / February 2019 E-Manual
COPYRIGHT INFORMATION No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).
Table of Contents About this manual......................................................................................................7 Conventions used in this manual.............................................................................. 8 Typography........................................................................................................................ 8 Safety precautions......................................................................................................
Chapter 3: Working with Chromebook Starting for the first time..........................................................................................38 Sign-in area...................................................................................................................39 Browse as Guest............................................................................................................... 39 User account.....................................................................................
Tips and FAQs Useful tips for your Chromebook..........................................................................70 Hardware FAQs............................................................................................................71 Software FAQs..............................................................................................................73 Appendices Internal Modem Compliancy...................................................................................... 76 Overview.....
UL Safety Notices............................................................................................................. 84 Power Safety Requirement........................................................................................... 85 TV Notices.......................................................................................................................... 85 REACH..........................................................................................................................
About this manual This manual provides information about the hardware and software features of your Chromebook, organized through the following chapters: Chapter 1: Hardware Setup This chapter details the hardware components of your Chromebook. Chapter 2: Using your Chromebook This chapter shows you how to use the different parts of your Chromebook. Chapter 3: Working with Chromebook This chapter provides an overview of using the Chromebook.
Conventions used in this manual To highlight key information in this manual, some text are presented as follows: IMPORTANT! This message contains vital information that must be followed to complete a task. NOTE: This message contains additional information and tips that can help complete tasks. WARNING! This message contains important information that must be followed to keep you safe while performing tasks and prevent damage to your Chromebook's data and components.
Safety precautions Using your Chromebook This Chromebook should only be used in environments with ambient temperatures between 5°C (41°F) and 35°C (95°F). Refer to the rating label on the bottom of your Chromebook and ensure that your power adapter complies with this rating. Do not leave your Chromebook on your lap or near any part of your body to prevent discomfort or injury from heat exposure. Do not use damaged power cords, accessories, and other peripherals with your Chromebook.
Caring for your Chromebook Disconnect the AC power and remove the battery pack (if applicable) before cleaning your Chromebook. Use a clean cellulose sponge or chamois cloth dampened with a solution of nonabrasive detergent and a few drops of warm water. Remove any extra moisture from your Chromebook using a dry cloth. Do not use strong solvents such as thinners, benzene, or other chemicals on or near your Chromebook. Do not place objects on top of your Chromebook.
Proper disposal Do not throw your Chromebook in municipal waste. This product has been designed to enable proper reuse of parts and recycling. The symbol of the crossed out wheeled bin indicates that the product (electrical, electronic equipment and mercurycontaining button cell battery) should not be placed in municipal waste. Check local regulations for disposal of electronic products. Do not throw the battery in municipal waste.
Chromebook E-Manual
Chapter 1: Hardware Setup Chromebook E-Manual 13
Getting to know your Chromebook Top View NOTE: The keyboard's layout may vary per region or country. The top view may also vary in appearance depending on the Chromebook model.
360º-adjustable touch screen panel Your Chromebook’s touch screen panel can be adjusted all the way into a 360º angle. This feature allows you to quickly turn your device from a Notebook PC into a touch-enabled tablet PC. This high-definition touch screen panel provides excellent viewing features for photos, videos, and other multimedia files on your Chromebook. It also allows you to operate it using touch screen gestures.
Bottom NOTE: The bottom side may vary in appearance depending on model. WARNING! The bottom of the Chromebook can get warm to hot while in use or while charging the battery pack. When working on your Chromebook, do not place it on surfaces that can block the vents. IMPORTANT! 16 • Battery time varies by usage and by the specifications for this Chromebook. The battery pack cannot be disassembled. • Purchase components from authorized retailers to ensure maximum compatibility and reliability.
Audio speakers The built-in audio speakers allow you to hear audio straight from your Chromebook. Audio features are software-controlled.
Right Side MicroSD card slot This built-in memory card reader slot supports microSD card formats. USB 3.1 Gen 1 Type-C™/DisplayPort/ Power (DC) input combo port The USB 3.1 (Universal Serial Bus 3.1) Gen 1 Type-C™ port provides a transfer rate of up to 5 Gbit/s and is backward compatible to USB 2.0. Use a USB Type-C™ adapter to connect your Chromebook to an external display. Insert the bundled power adapter into this port to charge the battery pack and supply power to your Chromebook.
Left Side USB 3.1 Gen 1 Type-C™/DisplayPort/ Power (DC) input combo port The USB 3.1 (Universal Serial Bus 3.1) Gen 1 Type-C™ port provides a transfer rate of up to 5 Gbit/s and is backward compatible to USB 2.0. Use a USB Type-C™ adapter to connect your Chromebook to an external display. Insert the bundled power adapter into this port to charge the battery pack and supply power to your Chromebook. NOTE: Transfer rate of this port may vary per model.
Two-color battery charge indicator The two-color LED provides a visual indication of the battery’s charge status. Refer to the following table for details: Color Status Solid Green The Chromebook is plugged to a power source and the battery power is between 95% and 100%. Solid Orange The Chromebook is plugged to a power source, charging its battery, and the battery power is less than 95%. Solid Green The Chromebook is running on battery mode. USB 3.1 Gen 1 port The USB 3.1 (Universal Serial Bus 3.
Headphone/Headset jack This port allows you to connect amplified speakers or headphones. You can also use this port to connect your headset. NOTE: This port does not support three-conductor 3.5 mm microphones. Volume button This button turns the volume up or down on your Chromebook. Power button Press the power button to turn your Chromebook on or off. You can also use the power button to put your Chromebook to sleep or hibernate mode and wake it up from sleep or hibernate mode.
Chromebook E-Manual
Chapter 2: Using your Chromebook Chromebook E-Manual 23
Getting started Charge your Chromebook A. Connect the DC power connector into your Chromebook’s power (DC) input port. B. Plug the AC power adapter into a 100V~240V power source. Charge the Chromebook for 3 hours before using it in battery mode for the first time. NOTE: The power adapter may vary in appearance, depending on models and your region.
IMPORTANT! • Locate the input/output rating label on your Chromebook and ensure that it matches the input/output rating information on your power adapter. Some Chromebook models may have multiple rating output currents based on the available SKU. • Ensure that your Chromebook is connected to the power adapter before turning it on for the first time. We strongly recommend that you use a grounded wall socket while using your Chromebook on power adapter mode.
Lift to open the display panel and your Chromebook will turn on automatically NOTE: You can also press the power button to turn your Chromebook on or off.
Gestures for the touch screen panel and touchpad Gestures allow you to launch programs and access the settings of your Chromebook. Refer to the following illustrations when using hand gestures on your touch screen panel and touchpad. NOTE: • The following screenshots are for reference only. The touch screen panel’s appearance may vary depending on model. • The touch screen panel is available on selected models.
Tap and hold Slide to the right or left Tap and hold an item until a menu appears (if available), and you may tap to select an action from the menu. Slide to the right or left to go backward or forward through your web browsing history. Bottom edge swipe Pinch or stretch Slide your fingertip upward from the bottom edge of the screen to toggle on and off the auto-hide shelf. Use two of your fingertips to pinch or stretch on the screen to zoom out or zoom in.
Using the touchpad Moving the pointer You can tap anywhere on the touchpad to activate its pointer, then slide your finger on the touchpad to move the pointer onscreen.
One-finger gestures Tap/Double-tap • Tap an app to select it. • Double-tap an app to launch it. • Double-tap on an active screen to minimize or maximize it on your display panel. Drag and drop Tap on an active screen then slide the same finger without lifting it off the touchpad. To drop the screen to its new location, lift your finger from the touchpad.
Two-finger gestures Tap Tap two fingers on the touchpad to simulate the right-click function. Two-finger scroll (up/down) Two-finger scroll (left/right) Slide two fingers to scroll up or down. Slide two fingers to scroll left or right.
Drag and drop Select an item then press and hold the touchpad. Using your other finger, slide on the touchpad to drag the item, lift your finger off the button to drop the item.
Three-finger gestures Swipe left/Swipe right If you opened multiple tabs on your web browser, swipe three fingers left or right to switch between these tabs. Swipe up Swipe up to see an overview of all the screens currently opened on Chromebook.
Using the keyboard The following shortcut keys on your Chromebook’s keyboard can be used to launch programs and functions while using your Chromebook.
Rotating the display panel Your Chromebook’s display panel is adjustable up to 360 degrees. You may adjust the display panel as shown below.
Stand mode Tent mode Tablet mode NOTE: Rotating the screen to Stand, Tent and Tablet mode will disable the keyboard and touchpad.
Chapter 3: Working with Chromebook Chromebook E-Manual 37
Starting for the first time When you start your Chromebook for the first time, please follow the series of following steps to configure your Chromebook: 1. Press the power button on your Chromebook. Wait until the setup screen appears. 2. From the setup screen, select your preferred option from the drop-down button beside the following items: • Select your language • Select your keyboard Once finished, click/tap Let’s go. 3. Select a network then click/tap Next. 4.
Sign-in area After turning on your Chromebook, the sign-in screen appears so you can choose to work on Chromebook using either of the following options: IMPORTANT! Ensure you have Internet connection before choosing any of the following sign-in options. Browse as Guest This option is recommended if you simply want to browse online or let others use your Chromebook. Downloaded files, browser history, and cookies are not stored once you sign out as guest.
User account Use this option to access apps and other programs offered in Chromebook and save downloaded files, apps, and browser histories right into your user account. Signing in to your user account Select the user account you want to use then type your password on the Password field. Adding a user account Refer to the following steps if you want to add a new user account: 1. Click/Tap Add Person on the bottom part of the sign-in area. 2.
Using your desktop Apps list Start working on your Chromebook by launching apps that can be accessed after signing in to your user account. These apps enable a variety of functions that can help you maximize the features of your Chromebook. To launch the apps list, click/tap Apps launcher icon Chromebook E-Manual on the launcher.
Adding apps on the launcher To add more apps on the launcher: 1. Click/Tap . 2. Right-click on the apps you want to add on the launcher then select Pin to shelf. Deleting apps from the launcher To delete any of the apps you currently have on the launcher: 1. Right-click on the apps you want to delete. 2. Select Unpin.
Status area At a glance, the status area displays an overview of your Google user account information. It also allows you to change the settings of your Chromebook and your current user account. Status area Click/Tap to launch the status area Launching the status area To launch the status area, click/tap anywhere on the status area box on the lower right corner of your desktop screen.
Inside the status area User account This shows the currently used Google user account. Network Click/Tap this option to view your current network connection, available network connections, and the network settings. Night Light Click/Tap this option to turn the night light on or off. Volume Drag the volume slider to the left or to the right to turn the volume up or down on your Chromebook.
Brightness Drag the brightness slider to the left or to the right to adjust brightness. Date and time Click/Tap this option if you want to adjust the date and time settings of your Chromebook. Battery status This shows the current battery life percentage of your Chromebook. It also calculates the remaining time before your battery becomes discharged or fully-charged again. Sign out Click/Tap this option to sign out from the current user account.
Connecting to the Internet Internet connection is a must for you to work on Chromebook. Connect to the Internet wirelessly using a Wi-Fi connection. Enabling your Wi-Fi connection To enable your Wi-Fi connection: 1. Launch the status area. 2. Select No networks to automatically enable your Wi-Fi connection. Switching to a new Wi-Fi network connection By default, your Chromebook uses the Wi-Fi network you chose during the setup process when you used your device for the first time.
Adding a network connection To add a new network connection to your list of networks: 1. Launch the status area. 2. Click/Tap 3. Under Network, select Add connection. .
4. Choose Add Wi-Fi... then input the necessary details to setup your new network connection. 5. Click/Tap Connect to start connecting to the Internet using this new network connection.
Google Chrome The Chrome browser is your main tool to go online. Aside from the Internet, Chrome also displays most of the applications launched in the Chromebook. To launch Chrome, click/tap on the launcher. Inside Chrome Previous and next web page icons Press these icons to go back to the previous page or go to the next web page. Reload Click/Tap this to reload the current web page.
Tab The tab allows you to launch multiple sites or applications on Chrome. Close Click/Tap this option to close the current tab. New tab Click/Tap this option to launch a new tab on Chrome. Address bar The address bar displays the current file path or website address of the tab you are viewing. You may also use the address bar to search the web by typing down your search word then press . Bookmark Click/Tap this to bookmark the current web page you are viewing.
Printing documents Using the print feature of your Chromebook, you can save files in PDF format or create hard copies via Google Cloud Print. Saving PDF files To save your file in PDF format: 1. Open the file you want to print then press 2. Select the settings you want to modify then click/tap Next. Chromebook E-Manual .
3. In the next screen that appears, click/tap Save and select which location you want to save your file as a PDF then type in your preferred file name. 4. Click/Tap Save to create the PDF file into the location and exit.
Google Cloud Print If you need to create file printouts from your Chromebook, you may do so using the Google Cloud Print feature. Google Cloud Print allows you to create hard copies using these key ingredients: cloud-based technology, an active Internet connection, and a cloud print enabled printer. Refer to the following information for details on how to use this feature.
Connecting a classic printer to Google Cloud Print Classic printers are printers that do not automatically support Google Cloud Print and needs to be manually setup for use with Google. To use a classic printer with your Chromebook, you need to connect the said printer to Google Cloud Print via a compatible Windows® computer. IMPORTANT! 54 • Ensure that you are running a Windows® XP or higher on your computer. When using Windows® XP, ensure that the Windows XP Service Pack 3 (SP3) is already installed.
To connect classic printers to Google Cloud print: 1. Connect your preferred printer to your computer then turn on both devices. IMPORTANT! Ensure that your printer is already installed to your computer before proceeding with the next steps. 2. Connect your computer to the Internet then open Google Chrome. 3. Click/Tap > Settings. 4. Click/Tap Advanced. 5. Scroll down and then click/tap Google Cloud Print > Manage Cloud Print devices.
6. Under Classic printers, click Add printers. 7. Sign in using your Google account. 8. In the next screen, click the printer that you want to connect to Google Cloud Print then click Add printer(s). 9. The following screen appears when you have successfully set up your printer with Google Cloud Print.
Using Google Cloud Print to create printouts After successfully connecting your printer with Google Cloud Print, you can start printing files from your Chromebook using the following procedures: 1. Open the file you want to print then press 2. Under the Destination option, click/tap Change... 3. From the list of registered printers, select the printer you want to use. 4. Configure any additional print options you may want to use then click/tap Print. Chromebook E-Manual .
Managing your files Manage and store files on your Chromebook using the Files app and Google Drive app. Using these apps, you can store and edit various files such as documents, images, audios, and videos while working on your Chromebook. You may also save and access these files via Google Drive’s cloud storage system. Files app The Files app allows you to see all the files that have been downloaded to your Chromebook and those that are stored on your Google Drive.
File locations This column shows you the currently available file locations. This also shows all the external storage devices that are currently connected to your Chromebook. Search Click/Tap on the search button to enable the search box. To use the search box, type the file name you want to locate then press . Switch to list or grid Click/Tap this option to rearrange your files to a list or a grid view. Minimize/maximize Click/Tap this to maximize or minimize the Files app window.
Accessing files stored on your Chromebook The Downloads folder inside the Files app is where your Chromebook stores all types of files downloaded online or saved on your Chromebook. To access these files, simply launch the Files app then select the Downloads folder and click/tap the file you want to open. Moving files to another folder If you want to move files from one location to another inside the Files app, refer to the following procedures: 1.
Unmounting devices To ensure that your devices are safely disconnected from your Chromebook, unmount them first via Files app using the following steps: 1. Click/Tap > . 2. Select the device you want to unmount then click/tap . 3. Once the unmounted device no longer appears on the file locations column, you may remove the device from your Chromebook. Creating a new folder If you want to create a new folder inside any of the current file locations of your Chromebook, refer to the following steps: 1.
Google Drive Google Drive is a 15GB cloud storage system you can access on your Chromebook via your Google account. It allows you to sync and access your files across other devices such as mobile phones, tablet PCs, and other Chromebooks. There are two ways in which you can access Google Drive on your Chromebook: via the Files app or by launching the Google Drive app.
Moving your downloads to Google Drive By default, all the files downloaded on your Chromebook are stored inside the Files app. You can move these files to your Google Drive using the following procedures: 1. Click/Tap > . 2. Click/Tap Downloads then select the Google docs, files, or folders that you want to move then drag and drop these selected items into Google Drive.
Inside the Google Drive app Create/Upload Click/Tap this option to create a new file that is automatically saved in your Google Drive or upload files or folders from another location into your Google Drive. File locations This column shows you the currently available file locations inside your Google Drive. Search Click/Tap this button to start searching for the indicated file name.
Search box Type the name of the file, folder, or Google document that you want to find inside Google Drive then press or click/tap . Settings Click/Tap this button to customize the settings of your Google Drive. Switch to list or grid Click/Tap this option to rearrange your files to a list or a grid view. Details and activity Click/Tap this option to show the activity log of your Google Drive account and the details of your My Drive file location.
Resetting your Chromebook In case you need to reset your Chromebook to its default settings, you may do so using Powerwash. Using Powerwash WARNING! • Backup all your data before performing this option. • All data stored locally in your Chromebook are deleted when using Powerwash. However, your Google Drive accounts and other data synchronized with these accounts are not going to be affected. 1. Launch the status area then select 2. Scroll down then click/tap Advanced. 66 .
3. Click/Tap Powerwash. 4. When prompted, click/tap Restart. 5. In the next window, click/tap Powerwash to proceed.
Turning your Chromebook off You can turn off your Chromebook by doing either of the following procedures: Using Chromebook 1. Launch the status area. 2. Click/Tap . Using the power button on your Chromebook You can also use this option to turn off your Chromebook in case it becomes unresponsive. IMPORTANT! Save your files before performing this option to prevent loss of important data. To do this, press the power button on your Chromebook for at least four (4) seconds until your Chromebook turns off.
Tips and FAQs Chromebook E-Manual 69
Useful tips for your Chromebook To help you maximize the use of your Chromebook, maintain its system performance, and ensure all your data are kept secured, here are some useful tips that you can follow: • Use an anti-virus software to protect your data and keep this updated too. • Unless absolutely necessary, refrain from using force shutdown to turn off your Chromebook. • Always backup your data and make it a point to create a backup data in an external storage drive.
Hardware FAQs 1. A black dot, or sometimes a colored dot, appears onscreen when I turn on the Chromebook. What should I do? Although these dots normally appear onscreen, they will not affect your system. If the incident continues and subsequently affects system performance, consult an authorized ASUS service center. 2. My display panel has an uneven color and brightness.
4. 5. My battery charge indicator does not light up. What’s wrong? • Check whether the power adapter or battery pack is attached correctly. You may also disconnect the power adapter or battery pack, wait for a minute, then reconnect them again to the power outlet and Chromebook. • If the problem still exists, contact your local ASUS service center for assistance.
Software FAQs 1. When I turn on my Chromebook, the power indicator lights up but nothing appears on my screen. What can I do to fix this? You can try doing any of the following suggestions: 2. • Force shutdown your Chromebook by pressing the power button for at least four (4) seconds. Check if the power adapter and battery pack are inserted correctly then turn on your Chromebook. • If the problem still exists, contact your local ASUS service center for assistance.
4. My Chromebook does not boot up. How can I fix this? You can try doing any of the following suggestions: 5. 74 • Remove all connected devices to your Chromebook then restart your system. • If the problem still exists, contact your local ASUS service center for assistance. Why can’t my Chromebook wake up from sleep mode? • You need to press the power button to resume your last working state. • Your system might have completely used up its battery power.
Appendices Chromebook E-Manual 75
Internal Modem Compliancy The Chromebook with internal modem model complies with JATE (Japan), FCC (US, Canada, Korea, Taiwan), and CTR21. The internal modem has been approved in accordance with Council Decision 98/482/EC for pan-European single terminal connection to the public switched telephone network (PSTN).
Network Compatibility Declaration Statement to be made by the manufacturer to the Notified Body and the vendor: “This declaration will indicate the networks with which the equipment is designed to work and any notified networks with which the equipment may have interworking difficulties.
This table shows the countries currently under the CTR21 standard.
This information was copied from CETECOM and is supplied without liability. For updates to this table, you may visit http://www.cetecom.de/technologies/ctr_21.html. 1 National requirements will apply only if the equipment may use pulse dialling (manufacturers may state in the user guide that the equipment is only intended to support DTMF signalling, which would make any additional testing superfluous). In The Netherlands additional testing is required for series connection and caller ID facilities.
Federal Communications Commission Interference Statement This device complies with FCC Rules Part 15. Operation is subject to the following two conditions: • This device may not cause harmful interference. • This device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to Part 15 of the Federal Communications Commission (FCC) rules.
FCC Radio Frequency (RF) Exposure Caution Statement WARNING! Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. To maintain compliance with FCC RF exposure compliance requirements, please avoid direct contact to the transmitting antenna during transmitting.
Compliance Statement of Innovation, Science and Economic Development Canada (ISED) This device complies with Innovation, Science and Economic Development Canada license exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
Radio Frequency (RF) Exposure Information The radiated output power of the Wireless Device is below the Industry Canada (IC) radio frequency exposure limits. The Wireless Device should be used in such a manner such that the potential for human contact during normal operation is minimized. This device has been evaluated for and shown compliant with the IC Specific Absorption Rate (“SAR”) limits when operated in portable exposure conditions.
UL Safety Notices Required for UL 1459 covering telecommunications (telephone) equipment intended to be electrically connected to a telecommunication network that has an operating voltage to ground that does not exceed 200V peak, 300V peak-to-peak, and 105V rms, and installed or used in accordance with the National Electrical Code (NFPA 70).
Power Safety Requirement Products with electrical current ratings up to 6A and weighing more than 3Kg must use approved power cords greater than or equal to: H05VV-F, 3G, 0.75mm2 or H05VV-F, 2G, 0.75mm2. TV Notices Note to CATV System Installer—Cable distribution system should be grounded (earthed) in accordance with ANSI/NFPA 70, the National Electrical Code (NEC), in particular Section 820.
Nordic Lithium Cautions (for lithium-ion batteries) CAUTION! Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer’s instructions. (English) ATTENZIONE! Rischio di esplosione della batteria se sostituita in modo errato. Sostituire la batteria con un una di tipo uguale o equivalente consigliata dalla fabbrica. Non disperdere le batterie nell’ambiente.
CTR 21 Approval (for Chromebook with built-in Modem) Danish Dutch English Finnish French Chromebook E-Manual 87
German Greek Italian Portuguese Spanish Swedish 88 Chromebook E-Manual
ENERGY STAR complied product ENERGY STAR is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy helping us all save money and protect the environment through energy efficient products and practices. All ASUS products with the ENERGY STAR logo comply with the ENERGY STAR standard, and the power management feature is enabled by default. The monitor and computer are automatically set to sleep within 10 and 30 minutes of user inactivity.
ASUS Recycling/Takeback Services ASUS recycling and takeback programs come from our commitment to the highest standards for protecting our environment. We believe in providing solutions for you to be able to responsibly recycle our products, batteries, other components as well as the packaging materials. Please go to http://csr.asus.com/english/Takeback.htm for detailed recycling information in different regions.
Regional notice for India This product complies with the “India E-Waste (Management) Rules, 2016” and prohibits use of lead, mercury, hexavalent chromium, polybrominated biphenyls (PBBs) and polybrominated diphenyl ethers (PBDEs) in concentrations exceeding 0.1% by weight in homogenous materials and 0.01% by weight in homogenous materials for cadmium, except for the exemptions listed in Schedule II of the Rule.
Simplified EU Declaration of Conformity ASUSTek Computer Inc. hereby declares that this device is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU. Full text of EU declaration of conformity is available at https://www.asus.com/support/. The maximum SAR value is 1.6 W/kg (body) and 2.0 W/kg (limbs) averaged over 10 gram of tissue.
RF Exposure Information (SAR) - CE This device meets the EU requirements (2014/53/EU) on the limitation of exposure of the general public to electromagnetic fields by way of health protection. The limits are part of extensive recommendations for the protection of the general public. These recommendations have been developed and checked by independent scientific organizations through regular and thorough evaluations of scientific studies.
Chromebook E-Manual
