Page 2 - Contents
Contents Xperia™ Tablet Z User guide......................................................5Getting started..............................................................................6 Device overview.................................................................................6Assembly............
Page 5 - XperiaTM Tablet Z User guide
Xperia™ Tablet Z User guide 5 This is an Internet version of this publication. © Print only for private use.
Page 6 - Getting started; Device overview
Getting started Device overview 1 Light sensor 2 Front camera 3 Speaker A 4 Speaker B 5 Charging dock connector 6 Volume key 7 Notification light 8 Power key 9 Headset jack 10 Microphone 11 Infrared sensor 12 Main camera 13 Speaker B (same as 4) 14 Port for charger/USB cable 15 Hole for attaching th...
Page 7 - Assembly; To insert the memory card; To remove the memory card; Turning the device on and off; To turn on the device
Assembly To insert the memory card 1 Insert a fingernail into the gap between the memory card cover and the bottom side of the device, then detach the memory card cover. 2 Place the memory card in the memory card slot, with the gold-colored contacts facing down, then push the memory card all the way...
Page 8 - To force the device to shut down; Setup guide; To access the setup guide manually; Locking and unlocking the screen
1 Press and hold down the power key until the notification light flashes once. 2 If your screen goes dark, briefly press the power key to activate the screen. 3 To unlock the screen, drag up or drag down. 4 Wait a while for the device to start. To turn off the device 1 Press and hold down the power ...
Page 9 - To activate the screen; To unlock the screen; To lock the screen; Accounts and services; GoogleTM account; Multiple user accounts
To activate the screen • Briefly press the power key . • If Tap to wake up mode is enabled, double-tap the screen. To enable Tap to wake up mode, go to the Home screen, then tap > Settings > Display > Tap to wake up . To unlock the screen • Place a finger on the screen and swipe up or down....
Page 10 - Using multiple user accounts; To add a new user; Different behaviors for settings
Using multiple user accounts To add a new user 1 Make sure you are logged in as the owner, that is, the user who set up the device for the first time. 2 Drag the status bar downwards, then tap . 3 Find and tap Users > Add user or profile > User . 4 Tap OK > Set up now . An icon representing...
Page 11 - Getting to know your device; Using the keys; Your device has an embedded battery.; Charging the battery; overnight, does not damage the battery or the device.
Getting to know your device Using the keys Back • Go back to the previous screen • Close the on-screen keypad, a dialog box, an options menu, the Notification panel, or an application Home • Go to the Home screen Task • Tap to open a window showing your most recently used applications and a small ap...
Page 12 - Battery notification light status; To check the battery level; Improving battery performance; To access the battery usage menu; Using the STAMINA mode feature
1 Plug the charger into a power outlet. 2 Plug one end of the USB cable into the charger (or into the USB port of a computer). 3 Plug the other end of the cable into the micro USB port on your device, with the USB symbol facing up. The notification light lights up when charging starts. 4 When the no...
Page 13 - Estimating the standby time of your device; Using Low battery mode
up an applications list to allow some applications to keep running when your screen is inactive. Once the screen becomes active again, all paused functions are resumed. If you are using a device with multiple users, you may need to log in as the owner, that is, the primary user, to activate or deact...
Page 14 - Using the touchscreen; To open or highlight an item; Marking options; To mark or unmark options; Zooming
To change the settings for Low battery mode 1 From your Home screen, tap . 2 Find and tap Settings > Power management . 3 To open the settings menu, tap Low battery mode . 4 Adjust the settings as desired. 5 When you're finished, tap . Using the touchscreen A protective plastic sheet is already a...
Page 15 - To zoom; Scrolling; also scroll to the sides.; To scroll
To zoom • Place two fingers on the screen at once and pinch them together (to zoom out) or spread them apart (to zoom in). When you use two fingers on the screen to zoom, it is only possible to zoom if both fingers are within the zoomable area. If you, for example, want to zoom in on a photo, make s...
Page 16 - To flick; Sensors; Lock screen; To add a widget to the lock screen; Home screen
To flick • To scroll more quickly, flick your finger in the direction you want to go on the screen. You can wait for the scrolling movement to stop by itself, or you can stop it immediately by tapping the screen. Sensors Your device has a sensor that detects light. The light sensor detects the ambie...
Page 17 - Widgets
To go to the Home screen • Press . To browse the Home screen • Flick right or left. To set a pane as the main Home screen pane 1 Touch and hold an empty area on your Home screen. 2 Flick left or right to browse to the pane that you want to set as your main Home screen pane, then tap . To add a pane ...
Page 18 - Apps; Folder name; Changing the background of your Home screen; Wallpapers
Rearranging your Home screen Customize the appearance of your Home screen and change the features you can access from it. Change the screen background, move items around, create folders, and add shortcuts and widgets. Customization options When you touch and hold an empty area of your Home screen, t...
Page 19 - Themes; Taking a screenshot; Application screen
To set a theme for your Home screen 1 Touch and hold an empty area on your Home screen. 2 Tap Themes , then select a theme. When you change a theme, the background also changes in some applications. Taking a screenshot You can capture still images of any screen on your device as a screenshot. Screen...
Page 20 - Recently used applications window
To close an application • Press . Some applications are paused when you press to exit, while other applications may continue to run in the background. In the first case, the next time you open the application, you can continue where you left off. Recently used applications window You can switch betw...
Page 21 - To add a widget as a small app; Application menu; To open a menu in an application; Rearranging your Application screen; To arrange applications on the Application screen; Status and notifications
To add a widget as a small app 1 To make the small apps bar appear, press . 2 Tap > > . 3 Select a widget. 4 Enter a name for the widget, if desired, then tap OK . Application menu You can open a menu at any time when you are using an application. The menu will look different depending on whic...
Page 22 - Checking notifications and ongoing activities; Clear; Setting your device from the Notification panel
Checking notifications and ongoing activities You can drag down the status bar to open the Notification panel and get more information. For example, you can use the panel to view a calendar event. You can also open some applications that run in the background, such as the music player. To open the N...
Page 23 - Customizing quick settings from the Notification panel; Personalization; Accessing settings; Settings; Typing text
To adjust sound settings from the Notification panel 1 Drag the status bar downwards. 2 Tap . To control the Bluetooth ® function from the Notification panel 1 Drag the status bar downward. 2 Tap . To control the Wi-Fi® function from the Notification panel 1 Drag the status bar downwards. 2 Tap . To...
Page 24 - Using the on-screen keyboard; Tap a text entry field.; When you enter text, turn the device sideways.
Using the on-screen keyboard 1 Delete a character before the cursor. 2 Enter a carriage return or confirm text input. 3 Change the character case and turn on the caps lock. For some languages, this key is used to access extra characters in the language. 4 Shift to the movable small keyboard. 5 Enter...
Page 25 - Application bar; Using the Gesture input function to write words
To enter numbers or symbols • When you enter text, tap . A keyboard with numbers and symbols appears. Tap to view more options. To enter common punctuation marks 1 When you finish entering a word, tap the space bar. 2 Select a punctuation mark from the candidate bar. The selected mark is inserted be...
Page 27 - Customizing your device; Adjusting the volume
To enter text using voice input 1 Make sure that the voice input function is enabled and that you have a working data connection. 2 When appears on your on-screen keyboard or Phonepad, tap it. When the input language key, for example, , appears, touch and hold it. 3 When appears, speak to enter text...
Page 28 - To set the time zone; Screen settings; To adjust the screen brightness; Language settings; To change the language; To turn on Airplane mode; Memory
To set the time zone 1 From your Home screen, tap . 2 Find and tap Settings > Date & time . 3 Tap Select time zone . 4 Select an option. Screen settings To adjust the screen brightness 1 From your Home screen, tap . 2 Find and tap Settings > Display > Brightness . 3 Unmark the Adapt to ...
Page 29 - Memory card; Safely removing the memory card; To unmount the memory card; Formatting the memory card; means that you erase all data on the card.; Using a headset
Memory card Your device supports a microSD™ memory card, which is used for storing content. This type of card can also be used as a portable memory card with other compatible devices. You may have to purchase a memory card separately. Safely removing the memory card You can safely remove the memory ...
Page 30 - Google PlayTM; Getting started with Google PlayTM; To set up a; To open Google PlayTM; Downloading from Google PlayTM; Before you download applications; To download a free application; Clearing your application data; To clear all cache for an application
Google Play™ Getting started with Google Play™ Open Google Play™ and enter a world of applications and games. You can browse these applications and games through different categories. You can also rate an application or game and send feedback on it.To use Google Play™, you need to have a Google™ acc...
Page 31 - To delete an installed application; Permissions; To view permissions of an application; Installing applications not from Google PlayTM; To allow the installation of applications not from Google PlayTM
To delete an installed application 1 From your Home screen, tap . 2 Find and tap Settings . 3 Tap Apps . 4 Select the application you want to delete. 5 Tap Uninstall . It is not possible to delete some preinstalled applications. Permissions Some applications may need to access data, settings, and va...
Page 32 - Contacts; Transferring contacts using a computer; To transfer contacts to your new device using a computer; PC Companion; Synchronizing contacts with your device; Other methods for transferring contacts; To import contacts from a memory card; To receive contact data sent using Bluetooth
Contacts Transferring contacts using a computer Xperia™ Transfer and Contacts Setup are applications within the PC Companion and the Sony™ Bridge for Mac applications which help you to gather contacts from your old device and transfer them to your new device. The applications support several device ...
Page 33 - Avoiding duplicate entries in the Contacts application; To link contacts; Adding and editing contacts; To add a contact
1 Make sure you have the Bluetooth ® function turned on and your device set to visible. 2 When you are asked to confirm whether you want to receive the file, tap Accept . 3 Drag down the Notification panel and tap the file you received to import the contact data. Avoiding duplicate entries in the Co...
Page 34 - To delete contacts; Searching and viewing contacts
To edit a contact 1 From your Home screen, tap , then tap . 2 Tap the contact that you want to edit, then tap . 3 Edit the desired information. 4 When you are done, tap Done . Some synchronization services do not allow you to edit contact details. To associate a picture with a contact 1 From your Ho...
Page 37 - Email; Getting started with Email; Using email accounts; To set up an email account; To set an email account as your default account; GmailTM and other GoogleTM services
Email Getting started with Email You can handle several email accounts at the same time using the Email application, including corporate Microsoft Exchange Active Sync accounts. Emails you receive to your Gmail™ account can be accessed on your device from both the Email and the Gmail™ applications. ...
Page 40 - SocialifeTM; Using the SocialifeTM application; your friends’ faces to illustrate each story.; To open the SocialifeTM application
Socialife™ Using the Socialife™ application Use the Socialife™ application from Sony to get your favorite news, videos and social networking feeds in one place. The Socialife™ home screen gives a clear overview of friends’ Facebook and Twitter activity, plus news feeds that you have subscribed to. I...
Page 41 - Music; Transferring music to your device; directly into the file manager application on the computer. See; If the computer is an Apple® Mac®, you can use the SonyTM Bridge for Mac; Listening to music
Music Transferring music to your device There are different ways to get music from a computer to your device: • Connect the device and computer using a USB cable and drag and drop music files directly into the file manager application on the computer. See Connecting your device to a computer on page...
Page 42 - To find song-related information online; To adjust the audio volume; WALKMAN home screen
To play a song 1 From your Home screen, tap , then find and tap . 2 If the WALKMAN home screen is not displayed, tap . 3 Select a music category, for example, under Artists , Albums , or Songs , then browse to the song that you want to open. 4 Tap a song to play it. You might not be able to play cop...
Page 44 - Playlists; Sharing music; Sharing music on FacebookTM
Playlists On the WALKMAN home screen, you can create your own playlists from the music that is saved on your device. To create your own playlists 1 Open the WALKMAN home screen. 2 To add an artist, album, or a song to a playlist, touch and hold the name of the artist or the title of the album or son...
Page 45 - Recognizing music with TrackIDTM
To manage music from your friends 1 Open the WALKMAN home screen, then tap Friends' music > Recent . 2 Tap an item to open it, then work on it as desired. 3 Tap to show that you "Like" the song on Facebook™ . If desired, add a comment in the comments field. To view your shared music 1 Ope...
Page 46 - Music Unlimited online service
1 View TrackID options 2 View current music charts 3 View the search result history 4 Record and identify music The TrackID™ application and the TrackID™ service are not supported in all countries/regions, or by all networks and/or service providers in all areas. To identify music using TrackID™ tec...
Page 48 - FM radio; Listening to the radio; To listen to the FM radio
FM radio Listening to the radio The FM radio in your device works like any FM radio. For example, you can browse and listen to FM radio stations and save them as favorites. You must connect a wired headset or headphones to your device before you can use the radio. This is because the headset or head...
Page 49 - Favorite radio channels
To switch the radio sound to the speaker 1 When the radio is open, press . 2 Tap Play in speaker . To switch the sound back to the wired headset or headphones, press and tap Play in headphones . To identify a song on the FM radio using TrackID™ 1 While the song is playing on your device's FM radio, ...
Page 50 - Camera; Camera controls overview; To take a photo from the lock screen
Camera Camera controls overview 1 Front camera 2 View photos and videos 3 Take photos or record video clips 4 Camera setting icons 5 Go back a step or exit the camera 6 Display all settings 7 Zoom in or out 8 Main camera screen 9 Switch between front and main camera To take a photo from the lock scr...
Page 51 - Delete; Face detection; Focus mode; Using Smile ShutterTM to capture smiling faces; Smile Shutter; Adding the geographical position to your photos
To view your photos and videos 1 Activate the camera, then tap a thumbnail to open a photo or video. 2 Flick left or right to view your photos and videos. To delete a photo or recorded video 1 Browse to the photo or video that you want to delete. 2 Tap the screen to make appear. 3 Tap . 4 Tap Delete...
Page 52 - General camera settings
To turn on geotagging 1 From your Home screen, tap . 2 Tap Settings > Location services . 3 Drag the slider beside Access to my location to the right. 4 Activate the camera. 5 Tap , then tap . 6 Drag the slider beside Geotagging to the right. 7 Tap OK . General camera settings Capturing mode sett...
Page 53 - White balance; balance setting icon is available on the camera screen.; Using still camera settings; To adjust the still camera settings; Still camera settings overview; photo with a higher resolution requires more memory.; Self timer
White balance This function adjusts the color balance according to the lighting conditions. The white balance setting icon is available on the camera screen. Auto Adjusts the color balance automatically to suit the lighting conditions. Incandescent Adjusts the color balance for warm lighting conditi...
Page 54 - Smile ShutterTM; before taking a photo.; focus frame stays sharp.; HDR; ISO; increasing the ISO sensitivity.
Smile Shutter™ Use the Smile Shutter™ function to determine what kind of smile the camera reacts to before taking a photo. Focus mode The focus function controls which part of a photo should be sharp. When continuous autofocus is on, the camera keeps adjusting focus so that the area within the yello...
Page 55 - Metering; amount of light striking the image you want to capture.; Image stabilizer; you by compensating for small movements of the hand.; Preview; Video camera settings; To adjust the video camera settings; Video camera settings overview; Adjust the video resolution for different formats.
Metering This function automatically determines a well-balanced exposure by measuring the amount of light striking the image you want to capture. Center Adjusts the exposure to the center of the image. Average Calculates the exposure based on the amount of light striking the whole image. Spot Adjust...
Page 56 - avoid shaking the camera when recording videos.; Microphone
Record videos suitable for sending in multimedia messages. The recording time of this video format is limited to fit in a multimedia message. This setting is only available in Manual capturing mode. Self timer With the self-timer you can record a video without holding the device. Use it to record gr...
Page 57 - Album; Viewing photos and videos; To view photos and videos
Album Viewing photos and videos Use the Pictures tab in the Album application to view photos and play videos that you’ve taken with your camera, or to view similar content that you've saved to your device. All photos and videos are displayed in a chronologically ordered grid. 1 View photos and video...
Page 58 - Sharing and managing photos and videos
To play a video 1 Open the Pictures tab or the My albums tab in Album. 2 Using grid view or list view, locate the video that you want to open. 3 Tap the video to play it. 4 If the playback controls are not displayed, tap the screen to display them. To hide the controls, tap the screen again. To paus...
Page 59 - Analyzing photos with faces in Album; Editing photos with the Photo editor application
To work with batches of photos or videos in Album 1 When viewing thumbnails of photos and videos in Album, tap , then tap Select items . 2 Tap the items that you want to work with. Selected items are indicated by a blue frame. 3 Use the tools in the toolbars to work with your selected items. To acti...
Page 60 - Photo albums
To apply special effects to a photo 1 When you are viewing a photo, tap the screen to display the toolbars, then tap . 2 If prompted, select Photo editor > Just once . 3 Tap , then select an option. 4 To save a copy of the edited photo, tap Save . To improve a photo using advanced settings 1 When...
Page 61 - Viewing your photos on a map; To add a geotag to a photo
Viewing your photos on a map Adding location information to photos is referred to as geotagging. You can view and tag your photos on a map and show friends and family where you were when you took a particular photo. See Adding the geographical position to your photos on page 51 for more information....
Page 63 - Videos; Watching videos in the Movies application; Overview of Movies; To play a video in Movies
Videos Watching videos in the Movies application Use the Movies application to play movies and other video content that you’ve saved or downloaded to your device. The Movies application also helps you get poster art, plot summaries, genre info, and director details for each movie. You can also play ...
Page 64 - Transferring video content to your device; Managing video content; To get movie information manually; To clear information about a video
1 When the video is playing, tap the screen to display all the controls. 2 Tap > Throw . 3 Select an external device on which to play the video. If there is no external device available, follow the on-screen instructions to add one. To change settings in Movies 1 From your Home screen, tap , then...
Page 65 - To delete a video; Video Unlimited service; To get started with Video Unlimited
To delete a video 1 From your Home screen, tap , then find and tap Movies . 2 Tap All in the My Collection tab to browse to the video that you want to delete. 3 Touch and hold the video thumbnail, then tap Delete from the list that appears. 4 Tap Delete again to confirm. Video Unlimited service Use ...
Page 66 - Web browser; About the web browser; To open the web browser
Web browser About the web browser The Google Chrome™ web browser for Android™ devices comes preinstalled in most markets. Go to http://support.google.com/chrome and click the "Chrome for Mobile" link to get more detailed information about how to use this web browser. Google Chrome™ is not av...
Page 67 - Connectivity; Sharing content with DLNA CertifiedTM devices; Playing files from DLNA CertifiedTM devices on your device; To play a shared track on your device; Preparing to play content from your device on DLNA CertifiedTM
Connectivity Sharing content with DLNA Certified™ devices You can view or play media content saved to your device on other devices such as, for example, a TV, or a computer. Such devices must be DLNA Certified™ by the Digital Living Network Alliance and all devices must be connected to the same Wi-F...
Page 68 - To set up file sharing with other DLNA CertifiedTM devices; To stop sharing files with other DLNA CertifiedTM devices; Playing files on a Digital Media Renderer device
To set up file sharing with other DLNA Certified™ devices 1 Connect your device to a Wi-Fi® network. 2 From your Home screen, tap , then find and tap . 3 Tap , then tap Media server . 4 To turn on the Share media function, drag the slider. appears in the status bar. Your device can now work as a med...
Page 69 - NFC; To turn on the NFC function; NFC detection area
To view photos or videos from your device on a DMR device 1 Ensure you have correctly set up the DMR device and that it is connected to the same Wi-Fi® network as your device. 2 From your Home screen, tap . 3 Find and tap Album . 4 Browse to and open the file that you want to view. 5 Tap the screen ...
Page 70 - To share a web address with another device using NFC; Bluetooth
To share a contact with another device using NFC 1 Make sure that both devices have the NFC function turned on, and that both screens are active. 2 To view contacts, go to your Home screen, tap , then tap . 3 Tap the contact that you want to share. 4 Hold your device and the receiving device back to...
Page 73 - Connecting your device to a computer; Transferring and handling content using a USB cable
Connecting your device to a computer Connect your device to a computer and start transferring pictures, music, and othertypes of files. The easiest ways to connect are using a USB cable or Bluetooth ® wireless technology.When you connect your device to the computer using a USB cable, you are prompte...
Page 74 - To connect paired devices wirelessly in Media transfer mode; To start PC Companion
the computer. Media Go™ converts media files so that you can use them on your device. In order to use this feature, you need a Wi-Fi ® enabled device that supports Media transfer, for example, a computer running Microsoft ® Windows Vista ® or Windows ® 7. To pair your device wirelessly with a comput...
Page 75 - Media GoTM; To transfer content using the Media GoTM application; Media Go; Connecting your device to a TV set using a cable; To view content from your device on a TV which supports MHL input; Screen mirroring
Media Go™ The Media Go™ computer application helps you transfer and manage media content in your device and computer. You can install and access Media Go™ from within the PC Companion application.You need one of these operating systems to use the Media Go™ application: • Microsoft® Windows® 7 • Micr...
Page 76 - To mirror the screen of your device on a TV screen; Smart Connect; To start the Smart Connect application
photos from the comfort of your couch. You can also use this feature to listen to music from your device via the TV's speakers. Your TV must support screen mirroring based on Wi-Fi CERTIFIED Miracast™ for the functionality described above to work. If your TV does not support screen mirroring, you ne...
Page 77 - Synchronizing data on your device; About synchronizing data on your device; To set up a GoogleTM account for synchronization; Synchronizing your corporate email, calendar, and contacts
Synchronizing data on your device About synchronizing data on your device You can sync contacts, email, calendar events, and other information with your device from multiple email accounts, synchronization services, and other kinds of accounts, depending on the applications installed on your device....
Page 78 - Synchronizing with FacebookTM
To set up corporate email, calendar and contacts 1 From your Home screen, tap . 2 Tap Settings > Add account > Exchange ActiveSync . 3 Enter your corporate email address and password. 4 Tap Next . Your device begins to retrieve your account information. If a failure occurs, contact your corpor...
Page 80 - Maps and locations; About location services; To enable location services; To allow Google apps to access your location; Using GPS; To enable GPS; Getting the best performance
Maps and locations About location services Use your device to find out where you are. There are two methods: GPS and wireless networks. Enable the wireless networks option if you only need your approximate location, and want it fast. If you want a more exact position, and have a clear view of the sk...
Page 81 - Google MapsTM; your memory card to avoid high roaming costs.; To learn more about Google MapsTM; Viewing your friends’ locations with Google LatitudeTM; location and other information with them.
Google Maps™ Track your current location, view real-time traffic situations and receive detailed directions to your destination. Before taking trips, you can download and save maps to your memory card to avoid high roaming costs. The Google Maps™ application requires the use of an Internet connectio...
Page 82 - Calendar and alarm clock; Calendar; Alarm clock
Calendar and alarm clock Calendar Your device has a calendar application for managing your time schedule. If you have a Google™ account, you can also synchronize the calendar application on your device with your web calendar. To set the calendar view 1 From your Home screen, tap , then find and tap ...
Page 85 - Support and maintenance; Updating your device; Updating your device wirelessly; To download software updates manually from Update center; To install system updates; Updating your device using a USB cable connection; To download the PC Companion application from your device
Support and maintenance Updating your device Update your device to the most recent software version to get optimal performance and the latest enhancements.You can use the Update center application on your device to run a wireless update or you can use the PC Companion application on a computer to ru...
Page 86 - Resetting your device; To perform a factory data reset; Locking and protecting your device; IDID number; To view your IDID number
To download software updates using a USB cable connection 1 Install the PC Companion application on the computer you are using, if it is not already installed. 2 Connect your device to the computer using a USB cable. 3 Computer : Launch the PC Companion application. After a few moments, PC Companion...
Page 88 - Support application; To access the support application; Recycling your device
To create a screen unlock PIN 1 From your Home screen, tap > Settings > Security > Screen lock > PIN . 2 Enter a numeric PIN. 3 If necessary, tap to minimize the keyboard. 4 Tap Continue . 5 Re-enter and confirm your PIN. 6 If necessary, tap to minimize the keyboard. 7 Tap OK . To disabl...
Page 89 - Reference; Status and notification icons overview; Status icons; The following status icons may appear on your screen:; Notification icons; The following notification icons may appear on your screen:; Application overview
Reference Status and notification icons overview Status icons The following status icons may appear on your screen: NFC is activatedBattery statusThe battery is chargingGPS is activatedThe Bluetooth® function is activatedThe microphone is mutedThe speakerphone is onSilent modeAn alarm is setSynchron...
Page 91 - Important information leaflet; Before you use your device, please read the; Important information; leaflet provided; Limitations to services and features
Important information Important information leaflet Before you use your device, please read the Important information leaflet provided in the Setup guide in your device or in the box. To access the setup guide manually 1 From the Home screen, tap . 2 Tap Settings > Setup guide . Limitations to se...
Page 92 - our Customer support service for help.; Legal information
Your warranty does not cover damage or defects caused by abuse or improper use of your device. If you have any further questions about the use of your products, refer to our Customer support service for help. IP (Ingress Protection) rating Your device has an IP rating, which means it has undergone c...