Manuel d'utilisation / d'entretien du produit X202E-DB21T du fabricant Asus
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Not ebook PC E-Manual.
2 Notebook PC E-Manual COP Y RIGHT INFORMA TION No part of this manual, including the products and soft ware described in it, may be reproduced , transmitted, transcribed , stored in a retrieval syst .
Notebook PC E-Manual 3 Table of Contents About this manual ............................................................................................. 6 Conv entions used in this manual ...............................................................
4 Notebook PC E-Manual Window s® App ................................................................................................. 35 Hotspots........................................................................................................
Notebook PC E-Manual 5 Appendices DVD-ROM Drive Information (on selected models) ........................... 82 Blu-ray ROM Drive Information (on selected models) ...................... 84 Internal Modem Compliancy ....................................
6 Notebook PC E-Manual About this manual NO TE: The follo wing information is only f or selected Notebook PC models pre-installed with W indows® 8. This manual pro vides information about the hardw a.
Notebook PC E-Manual 7 C on ven tions used in this manual T o highlight key inf ormation in this manual, some text are pr esented as follow s: IMPORT ANT! This message contains vital information that must be follow ed to complete a task. NO TE: This message con tains additional information and tip s that can help complete tasks.
8 Notebook PC E-Manual Safety precautions Using y our Notebook PC Do not place your Notebook PC on unev en or unstable work sur faces. Do not leave y our Notebook PC on your lap or near an y par t of your body to pr event disc omfort or injur y from heat exposure .
Notebook PC E-Manual 9 Caring f or your N otebook PC Do not expose your Notebook PC to dusty en vironments . Do not use your Notebook PC near gas leaks . Do not place objects on top of your Notebook PC. Do not expose your Notebook PC to str ong magnetic or electrical elds.
10 Notebook PC E-Manual Proper disposal Do not throw y our Notebook PC in municipal waste . This product has been designed to enable pr oper reuse of par ts and recycling.
Notebook PC E-Manual 11 Chapter 1: Hardw are S etup.
12 Notebook PC E-Manual Getting to know your Notebook PC T op V iew NO TE: The keyboard's la yout may vary per region or country . The top view may also vary in appearance depending on the Notebook PC model.
Notebook PC E-Manual 13 Microphone The built-in microphone can be used f or video conf erencing , voice narrations , or simple audio recor ding. Camera The built-in camera allo ws you to take pictures or r ecord videos using your Notebook PC. Camera indica tor The camera indicator ligh ts up when the built-in camera is in use.
14 Notebook PC E-Manual Ke yboard The keyboard pr ovides full-sized QWERTY keys with a comfortable travel depth f or typing. It also enables you to use the function keys, allows quick ac cess to Windows®, and controls other multimedia functions. NO TE: The keyboard la yout diers b y model or territory.
Notebook PC E-Manual 15 Status indicators The status indicators help iden tify the current hardw are status of your Notebook PC. P ower indica tor The power indicator lights up when the Notebook PC is.
16 Notebook PC E-Manual Drive activity indicator This indicator lights up when y our Notebook PC is accessing the internal st orage drives. Bluetooth / Wireless indicator (on selected models) This indicator lights up when y our Notebook PC’ s wireless function (Bluetooth or Wi-Fi) is enabled .
Notebook PC E-Manual 17 Bottom NO TE: The bottom sid e may va r y in appear ance depe nding on model . W ARNING! The bottom of the Notebook PC can get warm to hot while in use or while charging the battery pack. W hen working on your Notebook PC, do not place it on surfaces that can block the vents .
18 Notebook PC E-Manual Right Side Memory c ard reader This Notebook PC has a single built-in memory card reader slot that supports MMC, SD, and SDHC card formats. Headphone output/microphone input combo jack port This port allows you to connect your Notebook PC to amplied speakers or headphones.
Notebook PC E-Manual 19 P ower (DC) input port Inser t the bundled power adapter int o this por t to charge the battery pack and supply power to your Not ebook PC. W ARNING! The adapter may become warm to hot while in use. Do not cov er the adapter and keep it awa y from your body while it is connected to a power sour ce.
20 Notebook PC E-Manual HDMI por t This port is for a High-Denition Multimedia I nter face (HDMI) connector and is HDCP compliant for HD DVD , Blu-ray , and other protected cont ent playback. USB 2.0 por ts These Universal Serial Bus 2.0 (USB 2.0) ports are compatible with USB 2.
Notebook PC E-Manual 21 Chapter 2: Using your Not ebook PC.
22 Notebook PC E-Manual Getting started Charge y our Notebook PC. A. Plug the AC po wer adapter int o a 100V~240V power sour ce. B. Connect the DC power connector int o your Notebook PC’ s power (DC) input. IMPORT ANT! • Ensure that your Not ebook PC is connected to the power adapt er before turning it on f or the rst time.
Notebook PC E-Manual 23 Lift to open the display panel. Press the po w er button..
24 Notebook PC E-Manual Left edge swipe Right edge swipe Swipe from the left edge of the screen to shue y our running apps. Swipe from the right edge of the screen to launch the Charm bar . Gestures for the touch screen (on selected models) and touchpad Gestures allow you t o launch progr ams and access the settings of your Notebook PC.
Notebook PC E-Manual 25 T op edge swip e Finger slide • In the Start screen, swipe from the top edge of the screen to view the All A pps bar . • In a running app , swipe from the top edge of the screen to view its menu. Slide your nger to scr oll up and down and sli de your nger to pan the screen left or right.
26 Notebook PC E-Manual Moving the pointer Y ou can tap or click an ywhere on the touchpad to activate its pointer , then slide your nger on the touchpad t o move the point er onscreen.
Notebook PC E-Manual 27 One -nger gestures T ap/Double tap • In the Start screen, tap an app to launch it. • In Desktop mode, double-tap an application to launch it. Left-click R ight-click • In the Start screen, click an app to launch it. • In Desktop mode, double- click an application to launch it.
28 Notebook PC E-Manual Drag and drop Double -tap an item, then slide the same nger without lifting it o the touchpad. T o drop the item t o its new location, lift your nger from the touchpad . T op edge swip e • In the Start screen, swipe from the top edge to launch the All Apps bar .
Notebook PC E-Manual 29 T wo-nger gestures T ap Rotate T ap two ngers on the touchpad to simulate the right-click function. T o rota te an image in Windows® Photo View er , place two ngers o n the touchpad then turn one nger clockwise or counterclockwise while the other stays still .
30 Notebook PC E-Manual Drag and drop Select an item then press and hold the left button. Using your other nger , slide down the touchpad to drag and dr op the item to a new location.
Notebook PC E-Manual 31 F unction key s The function keys on your Notebook PC’ s keyboard can trigger the following c ommands: Using the keyboard Puts the Notebook PC in to Sleep mode T urns Airplane mode on or o NO TE: When enabled, the Airplane mode disables all wireless connectivity .
32 Notebook PC E-Manual F unction key s f or ASUS Apps Y our Notebook PC also c omes with a special set of function keys that can be used to launch ASUS apps.
Notebook PC E-Manual 33 Chapter 3: W ork ing with W indows® 8.
34 Notebook PC E-Manual Starting for the rst time When you start your computer f or the rst time, a series of screens appear to guide you in conif guring the basic settings of your Windo ws® 8 operating syst em. T o start your Notebook PC for the rst time: 1.
Notebook PC E-Manual 35 W indow s® App These are apps pinned on the Start screen and display ed on tiled- format f or easy access . NO TE: Some apps require signing in t o your Microsoft account befor e they are fully launched.
36 Notebook PC E-Manual Hotspots Onscreen hotspots allow y ou to launch prog rams and access the settings of your Notebook PC. The functions in these hotspots can be activated using the touchpad.
Notebook PC E-Manual 37 Hotspot Action upper left corner Hover y our mouse pointer on the upper left corner then tap on the recent app ’ s thumbnail to rev er t back to that running app . If you launched mor e than one app , slide down to show all running apps .
38 Notebook PC E-Manual Working with Windows ® apps Use your Notebook PC’ s touch scr een, touchpad, or keyboar d to launch, customize , and close apps. Launching apps (on selected models) T ap an app to launch it. P osition your mouse pointer o ver the app then left-click or tap once to launch it.
Notebook PC E-Manual 39 Resizing apps (on selected models) 1. Swipe down the app tile to select and launch the settings bar . 2. T ap to reduce or t o enlarge the app tile. Right-click on the app to ac tivate its settings bar then tap or . (on selected models) 1.
40 Notebook PC E-Manual Closing apps (on selected models) T ap and hold the top side of the running app then drag it down to the bott om of the screen to close it. 1. Move your mouse poin ter on the top side of the launched app then wait for the point er to change to a hand icon.
Notebook PC E-Manual 41 Ac cessing the A pps screen Aside from the apps alr eady pinned on your Start screen, you can also open other applications through the Apps scr een. Horizontal scroll bar Launching the Apps screen Launch the Apps screen using y our Notebook PC's touch screen, touchpad, or keyboar d.
42 Notebook PC E-Manual Pinning more apps on the S tar t screen Y ou can pin mor e apps on the Start screen using your touch screen or touchpad. (on selected models) 1. In the Apps screen, swipe down the app to select and launch the settings bar . 2. T ap to pin the selected app on the Star t screen.
Notebook PC E-Manual 43 Charm bar The Charm bar is a toolbar that can be triggered on the right side of your screen. It consists of sever al tools that allow y ou to share applications and pr ovide qui ck access f or custom izing the settings of your Notebook PC.
44 Notebook PC E-Manual Search This tool allow s you to look f or les, applications , or programs in y our Notebook PC. Share This tool allow s you to shar e applications via social networking sites or email. Start This tool r everts the display back to the Star t screen.
Notebook PC E-Manual 45 Snap fea ture The Snap fea ture displays tw o apps side -by-side, allo wing you to work or switch between apps . IMPORT ANT! Ensure that y our Notebook PC’ s screen resolution is set to 1366 x 768 pixels or higher bef ore using the Snap f eature .
46 Notebook PC E-Manual 1. Launch the app you wish to snap . 2. Pr ess . 3. Launch another app . 4. T o switch between apps , press . 1. Launch the app you wish to snap . 2. Hover the mouse point on the t op side of your screen. 3. Once the pointer changes to a hand ic on, drag then drop the app to the left or right side of the display panel.
Notebook PC E-Manual 47 Other keyboard shortcuts Using the keyboard , you can also use the f ollowing shortcuts to help you launch applications and naviga te Windows®8.
48 Notebook PC E-Manual Opens the Second screen pane Opens the Apps search pane Opens the Run window Opens Ease of Ac cess C enter Opens the Settings search pane Opens a menu box of Windows® t ools L.
Notebook PC E-Manual 49 Connecting to wireless networks W i-F i Acc ess emails, surf the I nternet, and share applications via social networking sites using your Notebook PC’ s Wi-F i connection. IMPORT ANT! Ensure the Airplane mode is turned o to enable the Wi-F i function of your Notebook PC.
50 Notebook PC E-Manual 4. T ap Connect to start the network connection . NO TE: Y ou may be pr ompted to enter a security key to activate the Wi-F i connection. 5. If you want to enable sharing between your Not ebook PC and other wireless-enabled systems, tap Y es , turn on sharing and connect to devices .
Notebook PC E-Manual 51 Bluetooth Use Bluetooth to facilitat e wireless data transf ers with other Bluetooth-enabled devices. IMPORTANT! Ensure the Airplane mode is turned o to enable the Bluetooth function of your Notebook PC. For more details, refer to the Airplane mode section in this manual.
52 Notebook PC E-Manual 4. Select a device from the list. Compare the passc ode on your Notebook PC with the passcode sent to y our chosen device . If they are the same, tap Y es to successfully pair your Notebook PC with the device. NO TE: F or some bluetooth-enabled devices, you ma y be prompted to key in the passcode of your Not ebook PC.
Notebook PC E-Manual 53 T urning Airplane mode o or 1. Launch the Charm bar . 2. T ap and tap . 3. Move the slider to the left to turn the Airplane mode o . Pr ess . or 1. Launch the Charm bar . 2. T ap and tap . 3. Move the slider to the right t o turn the Airplane mode on.
54 Notebook PC E-Manual Connecting to wired networks Y ou can also connect to wir ed networks, such as local area networks and broadband Internet connection, using your Notebook PC’ s LAN por t. NOTE: Contact your Internet Service Provider (ISP) for details or your network administrator for assistance in setting up your Internet connection.
Notebook PC E-Manual 55 5. T ap Internet Pr otocol V ersion 4(TCP/IPv4) then tap Properties . NO TE: Pr oceed to the next steps if you ar e using PPPoE c onnection.
56 Notebook PC E-Manual 7. Return to the Network and Sharing C ent er window then tap Set up a new connection or network . 8. Select Connect to the Internet then tap Next .
Notebook PC E-Manual 57 10. T ype your User name, P asswor d, and C onnection name then tap Connect . 11. T ap Close to nish the congur ation. 12. T ap on the taskbar then tap the connec tion you just created . 13. T ype your user name and password then tap C onnect to start connec ting to the Internet.
58 Notebook PC E-Manual C onguring a static IP networ k connection or 1. Repeat steps 1 to 5 under Conguring a dynamic IP/PPPoE network c onnection . 2 T ap Use the follo wing IP address . 3. T ype the IP address, Subnet mask and Default gateway fr om your service provider .
Notebook PC E-Manual 59 Turning your Notebook PC off Y ou can turn o your Not ebook PC by doing either of the follo wing procedur es: Putting y our Notebook PC to sleep T o put your Not ebook PC on Sleep mode, press the po wer button once. or • T ap from the Charm bar then tap > Shut down to do a normal shutdo wn.
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Notebook PC E-Manual 61 Chapter 4: ASUS apps.
62 Notebook PC E-Manual LifeF r ame Enhance your w ebcam functions through the LifeF rame app . Create snapshots, edit photos , recor d videos, r ecord audio les , use your webcam as a security monitoring device, and pla y games using this app .
Notebook PC E-Manual 63 LifeF rame functions Camera Use this function to take pictures using your webcam. Camcor der Use this function to take videos through your w ebcam. Monitor This function lets you use your w ebcam as a security video monitor as it automatically detects mov ement then captures it on photo .
64 Notebook PC E-Manual Power4Gear Hybrid Optimize the per formance of y our Notebook PC using the pow er saving modes in P ow er4Gear . NO TE: Unplugging the Notebook PC from its po wer adapter automatically switches P ow er4Gear Hybrid to Battery S aving mode.
Notebook PC E-Manual 65 Instant On Save batt er y power while y our Notebook PC is on deep sleep mode (Deep S3) using Instant On. NO TE: Deep S3 is a technology that lets you sav e more batt er y power while your ASUS Notebook PC is on sleep mode .
66 Notebook PC E-Manual.
Notebook PC E-Manual 67 Chapter 5: P ow er- on Self T est (POST ).
68 Notebook PC E-Manual The Power-on Self Test (POST) The P ow er-on Self T est (POST ) is a series of sof tware -controlled diagnostic tests that run when y ou turn on or restart your Notebook PC. The sof tware that contr ols the POST is installed as a permanent par t of the Notebook PC’ s architecture .
Notebook PC E-Manual 69 BIOS Settings NO TE: The BIOS screens in this section are f or refer ence only . T he actual screens may dier b y model and territory. Boot This menu allows y ou to set your boot option priorities . Y ou may ref er to the follo wing procedur es when setting your boot priority .
70 Notebook PC E-Manual Security This menu allows y ou to set up the administrat or and user password of your Notebook PC. It also allows y ou to contr ol the access to y our Notebook PC’ s hard disk drive , input/output (I/O) interface, and USB interface.
Notebook PC E-Manual 71 I/O Interface Security In the Securit y menu, you can acc ess I/O Inter face Security to lock or unlock some interface func tions of your Notebook PC. T o lock an interface: 1. On the Securit y screen, select I/O Interface Security .
72 Notebook PC E-Manual USB Interface Security Through the I/O Interface Securit y menu, you can also ac cess USB Inter face Security to lock or unlock por ts and devices.
Notebook PC E-Manual 73 Set Master Passw ord In the Securit y menu, you can use Set Master P asswor d to set up a password-enabled access to y our hard disk drive . T o set the HDD passwor d: 1. On the Securit y screen, select Set Master Passw ord . 2.
74 Notebook PC E-Manual Save & Exit T o keep your c onguration settings, select Sav e Changes and Exit befor e exiting the BIOS. Aptio Setup Utility - Copyright (C) 2012 American Megatrends, Inc. Main Advance Boot Security Save & Exit →← : Select Screen ↑↓ : Select Item Enter: Select +/— : Change Opt.
Notebook PC E-Manual 75 6. Locat e your downloaded BIOS le in the ash disk drive then press . 7. After the BIOS update proc ess, select Exit > Restore Defaults to restor e the system to its default settings .
76 Notebook PC E-Manual Troubleshoot By pressing during POST , you can acc ess W indows® 8 troubleshoot options which includes the f ollowing: • Refresh your PC • Reset your PC • Advanced options 1. Restar t your Notebook PC then pr ess during POST .
Notebook PC E-Manual 77 Reset your PC IMPORT ANT! Back up all your data bef ore performing this option. Use Reset your PC t o restor e your Notebook PC t o its default settings. T o access this during POST : 1. Restar t your Notebook PC then pr ess during POST .
78 Notebook PC E-Manual Using S yst em Image Recov ery Under Advanc ed options , you can use S yst em Image Recov ery to reco ver your sy stem using your Notebook PC’ s original image le . T o access this during POST : 1. Restar t your Notebook PC then pr ess during POST .
Notebook PC E-Manual 79 4. In the Advanced options screen, select S ystem Image Recov ery . 5. Choose an account y ou would like to r ecov er using a system image le . 6. T ype your account passwor d then tap Con tinue. 7. Select Use the latest av ailable system image (recommended), then tap Ne xt.
80 Notebook PC E-Manual.
Notebook PC E-Manual 81 App endices.
82 Notebook PC E-Manual DVD-ROM Drive Informa tion (on selected models) The DVD-ROM drive allows you t o view and create y our own CDs and DVDs. Y ou can purchase an optional DVD view er software to view DVD titles.
Notebook PC E-Manual 83 Region Denitions Region 1 Canada, US, US T erritories Region 2 Czech, Egypt, F inland, F rance, Germany , Gulf States, Hungary , Iceland, Iran, Iraq, Ireland , Italy, Japan,.
84 Notebook PC E-Manual The Blu-ray ROM Drive allows you to view high denition (HD) videos and other disc le formats such as DVDs and CDs. Region Denitions Region A Nor th, Centr al and South.
Notebook PC E-Manual 85 Internal Modem C ompliancy The Notebook PC with int ernal modem model complies with JA TE (Japan), FCC (US, Canada, Korea, T aiwan), and CTR21.
86 Notebook PC E-Manual Network C ompatibility Declaration Statement t o be made by the manufacturer to the user: “ This declaration will indicate the networks with which the equipment is designed to work and an y notied networks with which the equipment may hav e inter- working diculties.
Notebook PC E-Manual 87 This table sho ws the c ountries curren tly under the CTR21 standard. Coun try Applied More T esting Austria 1 Y es No Belgium Y es No Czech Republic No Not Applicable Denmark .
88 Notebook PC E-Manual This information w as copied from CETECOM and is supplied without liability . F or updates t o this table, you ma y visit http://www .
Notebook PC E-Manual 89 • Reor ient or relocat e the receiving ant enna. • I ncrease the separation between the equipmen t and receiv er . • Connect the equipment into an outlet on a circuit dier ent from that to which the rec eiver is connected.
90 Notebook PC E-Manual FC C Radio F requency (RF) Exposure Caution Stat ement W ARNING! Any changes or modications not expressly appr oved b y the part y responsible for c ompliance could void the user’ s authority to operate this equipmen t. “The manufac ture declares that this device is limited to Channels 1 thr ough 11 in the 2.
Notebook PC E-Manual 91 CE Marking CE marking for devices without wir eless LAN/Bluetooth The shipped version of this devic e complies with the requir ements of the EEC directives 2004/108/EC “Elec tromagnetic c ompatibility ” and 2006/95/EC “Low voltage directive ” .
92 Notebook PC E-Manual W ireless Oper ation Channel f or Dieren t Domains N. America 2.412-2.462 GHz Ch01 through CH11 Japan 2.412-2.484 GHz Ch01 through Ch14 Europe ETSI 2.412-2.472 GHz Ch01 through Ch13 F ranc e Restricted W ireless Fr equency Bands Some areas of F rance ha ve a restricted frequency band.
Notebook PC E-Manual 93 This requir ement is likely to change ov er time, allowing y ou to use your wireless LAN car d in more ar eas within F rance. P lease check with ART for the latest inf ormation (www.ar cep .fr) NO TE: Y our WLAN Card transmits less than 100mW , but more than 10mW .
94 Notebook PC E-Manual UL Safety Notices Required for UL 1459 c overing telec ommunications (telephone) equipment intended to be electrically connected to a telecommunication network that has an oper.
Notebook PC E-Manual 95 P ow er Safety Requiremen t Pr oducts with elec trical current ratings up to 6A and w eighing more than 3Kg must use approv ed pow er cords gr eater than or equal to: H05VV-F , 3G, 0.
96 Notebook PC E-Manual VORSICHT! Explosionsgefahr bei unsachgemäßen Austausch der Batterie. Ersatz nur dur ch denselben oder einem vom Hersteller empfohlenem ähnlichen T yp . Entsorgung gebr auchter Batterien nach Angaben des Herstellers. ( German) ADV ARSELI ! Lithium batte ri - Ekspl osionsfa re v ed f ejlagti g håndt ering .
Notebook PC E-Manual 97 Optical Drive Safety Information Laser Safety Information Internal or external optical drives sold with this Notebook PC contains a CLASS 1 LASER PRODUCT . W ARNING! Making adjustments or per forming pr ocedur es other than those specied in the user ’ s manual may result in hazar dous laser exposure .
98 Notebook PC E-Manual CTR 21 Approval (f or Notebook PC with built-in Modem) Danish Dutch English Finnish Fr ench German Greek Italian P ortuguese.
Notebook PC E-Manual 99 Spanish Sw edish ENERGY ST AR complied product ENERGY ST AR is a joint pr ogram of the U .S. Envir onmental Pr otection Agency and the U.S. Depar tment of Energy helping us all sav e money and protect the envir onment through energy ecient products and practices.
100 Notebook PC E-Manual Eur opean Union Eco-label This Notebook PC has been aw arded the EU F lower label , which means that this product has the following char acteristics: 1. Decreased energy consumption during use and stand-b y modes. 2. Limited use of to xic heavy metals.
Notebook PC E-Manual 101 Global Envir onmental Regula tion Complianc e and Declara tion ASUS follow s the green design c oncept to design and manufacture our products, and makes sure that each stage of the pr oduct life cycle of ASUS product is in line with global envir onmental regulations .
102 Notebook PC E-Manual EC Declaration of Conformity We, the undersigned, Manufacturer: ASUSTek COMPUTER INC. Address, City: 4F,No.150, LI-TE RD., PEITOU, TAI PEI 112,TAIWAN R.O.C. Country: TAIWAN Authorized representative in Europe: ASUS COMPUTER GmbH Address, City: HARKORT STR.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Asus X202E-DB21T c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Asus X202E-DB21T - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Asus X202E-DB21T, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Asus X202E-DB21T va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Asus X202E-DB21T, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Asus X202E-DB21T.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Asus X202E-DB21T. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Asus X202E-DB21T ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.