Manuel d’utilisation Axis Communications AXIS Q1755-E

59 pages 1.96 mb
Télécharger

Aller à la page of 59

Summary
  • Axis Communications AXIS Q1755-E - page 1

    USER’S MANUAL AXIS Q1755 Network Camera AXIS Q1755-E Network Camera ...

  • Axis Communications AXIS Q1755-E - page 2

    AXIS Q1755/-E User’s Manual Notices This manual is intended for administrators and users of the AXIS Q1755/-E Network Camera, an d is applicable for firmware rele ase 5.01 and later. It incl udes instructions for using and managing the camera on your network. Previous experience of networking will be of use when using this product. Some knowledge ...

  • Axis Communications AXIS Q1755-E - page 3

    3 AXIS Q1755/-E - Table of contents Contents Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Key features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Axis Communications AXIS Q1755-E - page 4

    4 AXIS Q1755/-E - Product Description Product Description This manual applies to the AXIS Q1755/-E Network Cameras. The information provid ed here applies to all models, except where otherwise indicated. Key features • HDTV quality With HDTV performance, AXIS Q1755/-E deliver outstanding image quality and full fps in H.264. This is beneficial for ...

  • Axis Communications AXIS Q1755-E - page 5

    5 AXIS Q1755/-E - Product Description Overview Control Network connector Audio out Microphone I/O connector RS-485/422 connector Audio in Video out SD memory card slot Y/Pb/Pr/CVBS CVBS button Part number (P/N) & Serial number (S/N). The serial number may be required during the installation. Network indicator LED Power connector Power indicator ...

  • Axis Communications AXIS Q1755-E - page 6

    6 AXIS Q1755/-E - Product Description Sun shield Top cover Network camera Bottom cover Cable cover AXIS Q1755-E Part number (P/N) & Serial number (S/N). The serial number may be required during the installation. Cable holes Network connector (PoE IN) Alarm output (connected at delivery) Arctic Temperature Control switch LED indicator (disabling ...

  • Axis Communications AXIS Q1755-E - page 7

    7 AXIS Q1755/-E - A ccessing the Camera Accessing the Camera Refer to the installation guide supplied with your product in order to install t he AXIS Q1755/-E Network Camera. The network camera can be used with mo st standard operating systems and browse rs. The recommended browser is Microsoft Internet Explorer with Windows, Safari with Maci ntosh ...

  • Axis Communications AXIS Q1755-E - page 8

    8 AXIS Q1755/-E - A ccessing the Camera Setting the root password To gain access to the product, the password for the default administrator user root must be set. This is done in the ‘Configure Root Password’ dialog, which is displaye d when the network camera is acces sed for the first time. To prevent netw ork eavesdropping when setting the r ...

  • Axis Communications AXIS Q1755-E - page 9

    9 AXIS Q1755/-E - A ccessing the Camera The Live View page If your network camera has been customized to meet specif ic requirements the buttons and other items described below may or may not be displayed on the Live View page. The following provides an overview of each available button: General controls View size - Click these buttons to scale the ...

  • Axis Communications AXIS Q1755-E - page 10

    10 AXIS Q1755/-E - A ccessing the Camera AMC Audio controls AMC audio buttons control the speakers and microphone connect ed to the client computer. The buttons are only visible when audio is enabled. Speaker buttons - Click to switch the sound on or off. Microphone buttons - Click to switch the sound on or off. Use the slider to control the volume ...

  • Axis Communications AXIS Q1755-E - page 11

    11 AXIS Q1755/-E - Video Streams Video Streams The network camera provides se veral image and video stream formats. Your re quirements and the properties of your network will determine the type you use. The Live View page in the network came ra provides access to H.264 and Motion JPEG video streams, and to the list of available stream profiles. Oth ...

  • Axis Communications AXIS Q1755-E - page 12

    12 AXIS Q1755/-E - Video Streams AXIS Media Control (AMC) The recommended method of accessing live video from the network camera is to use the AXIS Media Control (AMC ) in Microsoft Internet Explorer in Windows. The AMC control panel can be used to configure various video and audio se ttings. Please see the rea dme file included in the tool for mor ...

  • Axis Communications AXIS Q1755-E - page 13

    13 AXIS Q1755/-E - Basic Setup Basic Setup Basic Setup provides shortcuts to the settings that should be made before using the network camera: 1. Users, see page 31. 2. TCP/IP, see page 33. 3. Date & Time, see page 33. 4. Video Stream, see page 11. 5. Audio Settings, see page 15. ...

  • Axis Communications AXIS Q1755-E - page 14

    14 AXIS Q1755/-E - Video & Audio Video & Audio Click to access the online help that explains the Setup tools. Video Stream The video stream settings appear under four different tabs: •I m a g e • Audio • H.264 •M J P E G Preview For a preview of the image before saving, select the Video Format and click Open ... The pi xel counter s ...

  • Axis Communications AXIS Q1755-E - page 15

    15 AXIS Q1755/-E - Video & Audio Text Over lay Settings Use these set tings to include a text , date, and time as overlay in the video stream. Click for information on available options. Preview For a preview of the image before saving, select video format and Open . Whe n satis fied wit h the se ttings , click Sa ve . Audio Check the Enable Au ...

  • Axis Communications AXIS Q1755-E - page 16

    16 AXIS Q1755/-E - Video & Audio Stream Profiles There are four pre-progr ammed stream profiles available for qui ck set-up. These settings can be adjusted and new, customized profiles can be created. Each profile has a descriptive name, describing its usage an d/or purpose. The profiles can be accessed from the Live View page. • To create a ...

  • Axis Communications AXIS Q1755-E - page 17

    17 AXIS Q1755/-E - Video & Audio View Image Settings Click View... to view the video stream with the curren t configuration. Once satisfied, click Save. Focus and zoom The camera's maximum zoom leve l can be limited if required. Zoom tele limit - Select a value fr om the drop-down list and click the Go to button to check the selected limit ...

  • Axis Communications AXIS Q1755-E - page 18

    18 AXIS Q1755/-E - Video & Audio Audio Settings This section describes how to configure the basic audio settings for the network camera. The audio functionality is enabled under Video & Audio > Video Stream > Audio. Audio Channels Audio mode - The available audio modes are • Half du plex . Audio can be transmitted in both direc - ti ...

  • Axis Communications AXIS Q1755-E - page 19

    19 AXIS Q1755/-E - Video & Audio Audio Output If the sound from the speaker is too low or too high, adjust the outpu t gain for the active speaker attach ed to the network camera. When satisfied with the settings, click Save , or click Re set to revert to previously saved settings. Note: To receive sync hronized video in H.264 and audio, it is ...

  • Axis Communications AXIS Q1755-E - page 20

    20 AXIS Q1755/-E - Live View Config Live View Config Layout Stream Profile From the Stream Profile drop-down list, select the stream profile that is to be used for th e Live View page. Listed a re the standard stream profiles as well as the ones created under Video & Audio > Stream Profiles . Show stream profile selection - Unc heck this che ...

  • Axis Communications AXIS Q1755-E - page 21

    21 AXIS Q1755/-E - Live View Config Viewer Settings Check the Show viewer toolbar box to display the AXIS Media Control (AMC) or the QuickTime viewer toolbar under the video image in your browser. The administrator can disabl e the installation of the H .264 decoder included with AXIS Media Control. This is used to pr event the installation of unli ...

  • Axis Communications AXIS Q1755-E - page 22

    22 AXIS Q1755/-E - Live View Config Output Buttons The output buttons are used to manually activate and inactivate th e output port, for example, to switch a light on and off. To display the output buttons on the Live View page, select the type of control to use for the port from the drop-down list: • Pulse - Activates the output for a defined pe ...

  • Axis Communications AXIS Q1755-E - page 23

    23 AXIS Q1755/-E - PTZ (Pan Tilt Zoom) PTZ (Pan Tilt Zoom) AXIS Q1755/-E has 10x optical zoom, 12x digital zoom and autofocus and can immediately provide the desired field of view in perfect focus. The camera can be placed in a P/T device, in order to enable Pan/Tilt control from the camera. See www.axis.com for a list of compatible devices (Pelco ...

  • Axis Communications AXIS Q1755-E - page 24

    24 AXIS Q1755/-E - PTZ (Pan Tilt Zoom) Controls Panel Shortcut Command But tons Here are the controls for creating and saving sh or tcut command buttons. These buttons can provide direct access to various built-i n auxiliary commands provided by the PT driver. The buttons are displayed in the Control Panel, which is availa ble on the Live View page ...

  • Axis Communications AXIS Q1755-E - page 25

    25 AXIS Q1755/-E - Events Events Pre-defined parameters, known as an event or Event Type can trigger certain actions in the camera. A common event type is an alarm that causes the camera to upload images. Many eve nt types use an Event Ser ver , to receive uploaded images. An event that is triggered by a signal, such as a door swi tch, motion detec ...

  • Axis Communications AXIS Q1755-E - page 26

    26 AXIS Q1755/-E - Events Triggered Event A triggered event can be activated by: • Input ports • A manual trigger – using the manual trigger button on the Live View page or through the VAPIX® Application Pro - gramming Interface (API) • IR cut filter • Movement in a motion detection window • Audio – when the sound level rises above o ...

  • Axis Communications AXIS Q1755-E - page 27

    27 AXIS Q1755/-E - Events Continue image upload (unbuffered) – Upload video images for a fixed length of time or for as long as the trigger is active. Select type – Upload images to an FTP or HTTP server, send images by e-mail or save the video stream to the local storage disk. Create fo lder – I mages uploaded to FTP and HTTP servers can be ...

  • Axis Communications AXIS Q1755-E - page 28

    28 AXIS Q1755/-E - Events When the Alarm for dark images parameter is enabled, alarms are generated for all cases where the lights are either dimmed or turned off, or if the lens is sprayed, covered, or rendered severely out of f ocu s. If not enabled, no alarm will be sent. After you define these settings, click Save . Motion Detection Motion dete ...

  • Axis Communications AXIS Q1755-E - page 29

    29 AXIS Q1755/-E - Events Examples: • Avoid triggering on small objects in the video image by setting the object size level to high. • Use several small Motion Detection wi ndows rather than one large window, if triggers on small movements or objects are desired. • To reduce the number of triggers if there is a lot of movement during a short ...

  • Axis Communications AXIS Q1755-E - page 30

    30 AXIS Q1755/-E - Recording List Recording List The Recording List window contains a list of recordings made to the SD memory card. It show s each recording's start time, length, the event type, and indicates if the recording is lo cked so that it can neither be deleted nor recorded over. To view a recording, select it from the list and click ...

  • Axis Communications AXIS Q1755-E - page 31

    31 AXIS Q1755/-E - System Options System Options Security Users User access control is enabled by default. An administrator can set up other users, by giving these user names and passwords. It is also possible to allow anonymous viewer login, which means that anybody may access the Live View page, as described below: The user list displays the auth ...

  • Axis Communications AXIS Q1755-E - page 32

    32 AXIS Q1755/-E - System Options IEEE 802.1X IEEE 802.1X is a standard fo r port-based Network Admission Control providing secure authentication of wired and wireless network devices. IEEE 802.1X is based on EAP (Extensible Authent ication Protocol). To access a network protected by IEEE 802. 1X, devic es must authenticate themselves . The authent ...

  • Axis Communications AXIS Q1755-E - page 33

    33 AXIS Q1755/-E - System Options Date & Time Current Server Time - Displays the current date and time (24h clock). The time can be displayed in 12h clock format in the overlay (see below). New Server Time - Select your time zone from the drop-down list. If yo u want the server clock to automatically adjust for daylight savings time, select the ...

  • Axis Communications AXIS Q1755-E - page 34

    34 AXIS Q1755/-E - System Options Use the following IP address - To use a static IP address for the network camera, check the radio button and then make the following settings: • IP address - Specify a unique IP address for your AXIS Q1755/-E. (T o check if the IP address you intend to use is avail - able or not, click the Test button) • Subnet ...

  • Axis Communications AXIS Q1755-E - page 35

    35 AXIS Q1755/-E - System Options For more information, please see Security, on page 31 . Link-Local IPv4 Address This is enabled by default and assigns the network cameras an additional IP address for use with UPnP ™ . The camera can have both a Link-Local IP and a static/D HCP-supplied IP address at the same time - these will not affect each ot ...

  • Axis Communications AXIS Q1755-E - page 36

    36 AXIS Q1755/-E - System Options RTSP The RTSP protocol allows a connecting client to start an H.264 stream. Check the box to enable the server and enter the RTSP port number to use. The default setting is 554. Note that H.26 4 video streams will not be available if this service is not enabled. SOCKS SOCKS is a networking proxy protocol. The Axis ...

  • Axis Communications AXIS Q1755-E - page 37

    37 AXIS Q1755/-E - System Options Traps for SNMP v1/v2 Traps are used by the camera to send messages to a mana gement system for important events or sta tus changes. If Enable traps is selected, enter the e mail address where the trap message is to be sent as well as the Trap community that should receive the message. There are four types of traps ...

  • Axis Communications AXIS Q1755-E - page 38

    38 AXIS Q1755/-E - System Options LED Settings The Status indicator LED on the ca mera can be set to flash at a confi gurable inte rv a l ( o r t o n o t l i g h t u p a t a l l ) w he n t h e u n i t is accessed. For a listing of all LED behavior, see page 42 , or the online help. Note that the LE D does not flash when the stream is retrieved usin ...

  • Axis Communications AXIS Q1755-E - page 39

    39 AXIS Q1755/-E - System Options tracking all access to the camera, simple web attraction tracking, sy stem analysis and troubleshooting. • Server Report - Provides information about the server status and should always be included when request ing support. • Parameter List - Shows the unit's parameters and th eir current settings. • Con ...

  • Axis Communications AXIS Q1755-E - page 40

    40 AXIS Q1755/-E - About About Here you can find basic information a bout your network camera. You can also view third party software licenses. Resetting to the Factory Default Settings To reset the camera to the original factory default settings, go to the System Options > Maintenance web page (as described in Maintenance, on page 38 ) or use t ...

  • Axis Communications AXIS Q1755-E - page 41

    41 AXIS Q1755/-E - Unit connectors Unit connectors Network - RJ-45 Ethernet connector. Supports PoE (Power over Ethe rnet, class 3). Using shield ed cables is recommended. Audio in - 3.5mm input for a mono microphone, or a line-in mono si gnal (left channel is used from a stereo signal). Audio out - 3.5mm output for audio (line level), can be conne ...

  • Axis Communications AXIS Q1755-E - page 42

    42 AXIS Q1755/-E - Unit connectors • Digital input - An alarm input for connecting devices that can toggle between an open and closed circuit, for exam - ple: PIRs, door/window contacts, glass brea k detectors, etc. When a signal is re ceived the state changes and the input becomes active (shown under Events > Port Status.) Notes: • The I/O ...

  • Axis Communications AXIS Q1755-E - page 43

    43 AXIS Q1755/-E - Troubleshooting Troubleshooting Checking the Firmware Firmware is software that determines the functionality of the n etwork came ras. One of your first actions when troubleshooting a problem should be to check the current firmwa re version. The late st version may contain a correction that fixes your particular problem. The curr ...

  • Axis Communications AXIS Q1755-E - page 44

    44 AXIS Q1755/-E - Troubleshooting If the emergency recovery procedure doe s not get the camera up and running ag ain, please contact Axis support at www.axis.com/t echsup/ Axis Support If you contact Axis support, please help us to help you solve your problems expend iently by providing a Server Report and a detailed description of the problem. Th ...

  • Axis Communications AXIS Q1755-E - page 45

    45 AXIS Q1755/-E - Troubleshooting Symptoms, Possible Causes, and Remedial Action Problems setting the IP address When using ARP/Ping Try the installation again. The IP addres s must be set within two minutes after power has been applied to the camera. Ensu re the Ping length is set to 408. See the Installation Guide. The camera is located on a dif ...

  • Axis Communications AXIS Q1755-E - page 46

    46 AXIS Q1755/-E - Troubleshooting Poor rendering of H.264 images Color depth set incorrectly on clients. Set to 16-bit or 32-bit color. If text overlays are blurred, or if th ere are other ren dering problems, you may need to enable Advanced Video Rendering from the H.264 tab in the AMC con- trol panel applet. Ensure that your graphics card is usi ...

  • Axis Communications AXIS Q1755-E - page 47

    47 AXIS Q1755/-E - Troubleshooting For further assistance, please contact your reseller or see the support pages on the Axis website at www.axis.com/techsup Problems uploading files Limited space There is only limited space available for the upload of your own files. Try deleting existing files to free up space. Motion Detection triggers unexpected ...

  • Axis Communications AXIS Q1755-E - page 48

    48 AXIS Q1755/-E - Technical Specifications Technical Specifications Function/group Item Specification Camera Models • AXIS Q17 55 50 Hz/60 Hz • AXIS Q1755-E 50 Hz/60 Hz Image sensor 1/3" Progressive Scan CMOS 2 Megapixel Lens • f 5.1 - 51 mm, F1.8 - 2.1 • Auto day/night IR filter, autofocus • Near focus limit: 10mm (wide) or 800mm ( ...

  • Axis Communications AXIS Q1755-E - page 49

    49 AXIS Q1755/-E - Technical Specifications System Integration Application Programming Interface • Open API for software integration, including VAPIX® from Axis Communications*, AXIS Media Control SDK* , event trigger data in video stream • Quality of Service (QoS) layer 3, DiffServ Model • Embedded Linux operating system *Available at www.a ...

  • Axis Communications AXIS Q1755-E - page 50

    50 AXIS Q1755/-E - Technical Specifications General Casing AXIS Q1755: Metal (zink) AXIS Q1755-E: IP66-rated, IK10 impact-resistant aluminum enclosure Processors, memory • ARTPEC-3, 256 MB RAM, 128 MB Flash • Battery backed-up real-time clock Power • AXIS Q1755: 8 – 20 V DC max 11,2 W, 20 - 24 V AC max 17 ,4 VA or Power over Ethernet IEEE 8 ...

  • Axis Communications AXIS Q1755-E - page 51

    51 AXIS Q1755/-E - Technical Specifications General performance considerations When setting up your system, it is important to consider how various settings and situations will affect performance. Some factors affect the amount of bandwidth (the bit rate) required, others can affect the frame rate, and some affect both. If the load on the CPU reach ...

  • Axis Communications AXIS Q1755-E - page 52

    52 AXIS Q1755/-E - Glossary of Terms Glossary of Terms ActiveX - A standard that enables soft ware components to interact with one another in a networked environment, regardless of the language(s ) used to create them. web browsers may come into contact w ith ActiveX controls, ActiveX documents, and ActiveX sc ripts. ActiveX controls are oft en dow ...

  • Axis Communications AXIS Q1755-E - page 53

    53 AXIS Q1755/-E - Glossary of Terms remember than 192.0.34.166. Th e t ranslation tables for domain names are contained in Domain name servers. Domain Server - Domains can also be used by organizations who wish to centralize the ma nagement of their (Windows) computers. Each user within a domain has an acco unt that usually allows them to l og in ...

  • Axis Communications AXIS Q1755-E - page 54

    54 AXIS Q1755/-E - Glossary of Terms Interlacing was developed many years ago for the analog TV world and is still used widely today. It provides good results when viewing motion in standard TV pictures, although there is always some degree of distorti on in the image. To view interlaced video on e.g. a computer monitor, the video mus t first be de ...

  • Axis Communications AXIS Q1755-E - page 55

    55 AXIS Q1755/-E - Glossary of Terms prompt or the command line in UNIX. Pixel - A pixel is one of the many tiny dots that make up a digit al image. The co lor and intens ity of each pixel represents a tiny area of the complete im age. PoE (Power over Et hernet) - Power over Ethernet provides power to a network device via th e same cable as used fo ...

  • Axis Communications AXIS Q1755-E - page 56

    56 AXIS Q1755/-E - Glossary of Terms IMAP. These other protocols all ow the user to save messages in a server mailbox and download them periodically from the server. SMTP authentication is an extension of SMTP, whereby the client is required to log into th e mail server before or during the sending of email. It can be used to allow legitim ate user ...

  • Axis Communications AXIS Q1755-E - page 57

    57 AXIS Q1755/-E - Glossary of Terms more secure the encryption. WPA-PSK (Wi-Fi Prot ected Access - Pre-Shared Key) - Th is wire less encryption method uses a pre-shared key (PSK) for key management. Keys can us ually be entered as manual h ex values, as hexadecimal ch arac ters, or as a Passphrase. WPA-PSK provides a greater degree of security tha ...

  • Axis Communications AXIS Q1755-E - page 58

    AXIS Q1755/-E - Index 58 A Active/Inactive 22 Alarm 28, 41 AMC 7 ARP/Ping 34 Audio 15 Audio input 18 Audio output 19 Audio Settings 18 AXIS Media Control 18 B Backup 38 Bit Rate 15 Bonjour 7 Buffer Size 26 C Camera tampering 27 Control Button 40 D Date & Time 33 Default Viewer 20 Disk Management 37 DNS Configuration 34 DNS Server 34 Domain Name ...

  • Axis Communications AXIS Q1755-E - page 59

    AXIS Q1755/-E - Index 59 V Video Stream 14 ...

Fabricant Axis Communications Catégorie Security Camera

Les documents que nous recevons du fabricant de l'appareilAxis Communications AXIS Q1755-E peuvent être divisés en plusieurs groupes. Ceux-ci sont, entre autres:
- dessins techniques Axis Communications
- manuels d’utilisations AXIS Q1755-E
- fiches produit Axis Communications
- dépliants
- ou étiquettes-énergie Axis Communications AXIS Q1755-E
Tous sont importants, mais les informations les plus importantes du point de vue de l'utilisation de l'appareil se trouvent dans le manuel d’utilisation Axis Communications AXIS Q1755-E.

Un groupe de documents appelé manuels d’utilisation est également divisé en types plus spécifiques, tels que: Manuels d’installation Axis Communications AXIS Q1755-E, manuels d’entretien, brefs manuels ou manuels de l’utilisateur Axis Communications AXIS Q1755-E. Selon vos besoins, vous devriez chercher le document dont vous avez besoin. Sur notre site, vous pouvez voir le manuel le plus populaire d’utilisation du produit Axis Communications AXIS Q1755-E.

Manuel d’utilisation complet de l’appareil Axis Communications AXIS Q1755-E, quelle devrait-elle être?
Le manuel d’utilisation, également appelé le mode d’emploi, ou tout simplement le manuel, est un document technique destiné à aider à utiliser Axis Communications AXIS Q1755-E par les utilisateurs. Des manuels sont généralement écrits par un rédacteur technique, mais dans un langage accessible à tous les utilisateurs Axis Communications AXIS Q1755-E.

Le manuel d’utilisation complet Axis Communications, devrait inclure plusieurs éléments de base. Certains d'entre eux sont moins importants, tels que: la couverture / page de titre ou pages d'auteur. Cependant, la partie restante, devrait nous fournir des informations importantes du point de vue de l'utilisateur.

1. Introduction et des conseils sur la façon d'utiliser le manuel Axis Communications AXIS Q1755-E - Au début de chaque manuel, nous devrions trouver des indices sur la façon d'utiliser le document. Il doit contenir des informations sur l'emplacement de la table des matières Axis Communications AXIS Q1755-E, FAQ ou des problèmes les plus fréquents - les points qui sont les plus souvent recherchés par les utilisateurs de chaque manuel
2. Table des matières - index de tous les conseils pour lAxis Communications AXIS Q1755-E qui peuvent être trouvés dans le document courant
3. Conseils sur la façon d'utiliser les fonctions de base de l’appareil Axis Communications AXIS Q1755-E - qui devraient nous aider dans les premières étapes lors de l'utilisation Axis Communications AXIS Q1755-E
4. Troubleshooting - séquence systématique des activités qui nous aideront à diagnostiquer et ensuite résoudre les principaux problèmes de Axis Communications AXIS Q1755-E
5. FAQ - questions fréquemment posées
6. Détails du contact Informations sur l'endroit où chercher le contact avec le fabricant / service Axis Communications AXIS Q1755-E dans un pays donné, si le problème ne peut être résolu par nous-mêmes.

Avez-vous une question à propos de Axis Communications AXIS Q1755-E?

Utiliser le formulaire ci-dessous

Si vous n’avez pas résolu votre problème avec Axis Communications AXIS Q1755-E, avec l'aide du manuel que vous avez trouvé, posez une question en utilisant le formulaire ci-dessous. Si un utilisateur a eu un problème similaire avec Axis Communications AXIS Q1755-E il est probable qu’il a envie de partager la façon de le résoudre.

Réécrire le texte de l'image

Commentaires (0)