TS8212 Quick Start Guide Quick Start Guide 2.1.2 Channel Dolby Atmos Sound Bar with Wireless Subwoofer 7a Pair with your Bluetooth device 1 Register Your Product Register your TCL Sound Bar to receive the latest news on product releases, promotional offers, and more!*
Text to Register Text a photo of the camera icon to 71403 TCL395 Or register online at register.tcl.com Need help? Visit photoregister.com/help or text HELP to 71403 Enjoy exclusive benets with registration:
Expedited support and service Insider tips on your soundbar Exclusive offers and promotions Verication of ownership
*Only Available to U.S. Customers 7a Pair with your Bluetooth device 2 What's in the box Make sure you read all the safety information before you use this product. Sound Bar main unit Wireless Subwoofer AC power cord x 2 Optical cable HDMI cable Remote control AAA battery x 2 Wall mount bracket x 2 Wall anchor x 2 Wall mounting screw x 2 Sleeve x 2 Safety instructions QSG Warranty card Safety leaflet Quick Start Guide Warranty card Wall mount template 3a Overview Sound Bar main unit Source button:
Press to switch the audio source among HDMI ARC/HDMI IN/OPT
/BT/USB modes. Volume buttons:
Press to increase or decrease the volume level. Power button:
Press to enter STANDBY mode. Bluetooth button:
Press to select the Bluetooth source. Press and hold to enter pairing mode. HELLO HELLO Screen display:
Indicates the Sound Bar status. LED light:
keep lighting up, which Indicates the Sound Bar is in stanby mode. HDMI IN connector 3b Overview AC IN AC input power connector Pair button
(Pair with Soundbar main unit) 4a Place your Sound Bar The ideal place to position the Sound Bar is centered underneath your TV. TV
< 9.8'
4b Wall mount your Sound Bar Required tools:
Place the supplied wall mount template on the wall. Make sure the wall mount template is at least 2 inches below the center of the TV. Use a level to make sure the wall mount template is positioned accurately. Use the tape to stick the wall mount template firmly on the wall. Mark on the wall using each marking on the template through the mounting holes. Take away the wall mount template. Drill a screw hole at each marking on the wall. T V TV
> 2"
3 4 1 30.7"
5 2 6 4b Wall mount your Sound Bar Required tools:
Insert the wall anchors in the holes on the Insert the supplied screws with the sleeves into the hole of the wall anchors. Fix and tighten the wall bracket screws on the wall. wall. 7 8 9 10 11 4b Wall mount your Sound Bar Required tools:
Unscrew the rubber cushions from the bottom of the sound bar and set them aside for potential use in the future. 10 Attach the included wall bracket mounts to the sound bar in the same holes the rubber cushions were removed from. 11 With the brackets now attached to the sound bar, pick up the sound bar and attach it to the wall screws, similar to how you would hang a picture. Make sure everything is tight. 12 5 Connect to your TV There are 2 ways to connect your sound bar to the TV
(listed in order that we recommend): HDMI ARC (refer to 5a and 5b), and Optical (refer to 5c). For USA only: If you have a Roku TVTM, simply plug in the HDMI cable to the ARC ports and follow the Roku TV ReadyTM on-screen instructions. HDMI CEC ON ARC/eARC Optional 5a HDMI-ARC Connect the Sound Bar with your TV through the supplied HDMI cable. Connect the Sound Bar to the power supply with the supplied power cord. AC IN 5b HDMI-ARC Connect HDMI cable from the HDMI (ARC) interface on the sound bar to the HDMI (ARC/eARC) interface on the TV. Connect power cord. Enable the CEC function in the settings of the TV.
Connect HDMI cable from the HDMI (ARC) interface on the sound bar to the HDMI (ARC/eARC) interface on the TV. Connect power cord. Enable the T-Link function in the settings of the TCL TV. Note:
CEC function naming may differ by TV manuafacturer. This feature may be called T-Link, Anynet+, SimpLink, BRAVIA Link, EasyLink or VIERA Link. Please see your TV's user manual for more information. ARC/eARC
T V
AC-IN HDMI-IN OPTCICAL USB HDMI
(ARC) TV
AC-IN HDMI-IN OPTCICAL USB HDMI
(ARC) ARC/eARC
5c Optical Connect the Sound Bar with your TV through the supplied Optical cable. Connect the Sound Bar to the power supply with the supplied power cord. AC IN 6a Install or replace the remote batteries Battery type: 1.5V AAA Alkaline battery x 2 1 2 4 6b Using the Remote 1 Press to enter Standby mode. 2 Press to adjust the brightness of the display. Press and hold for 2 seconds to enter Night mode. 3 Press to turn on/off Dolby vertical surround. 4 Press to switch the audio source to Optical mode. 5 Press to switch the audio source to HDMI IN mode. 6 Press to switch the audio source to HDMI OUT
(ARC) mode. 7 Press to switch the audio source to USB source. 8 Press to switch the audio source to Bluetooth mode. Press and hold to enter pairing mode. 9 Press to switch on/off Pass Through function. 10 Press to select the equalizer (EQ) effect when you are watching TV, movie or listening to music. Increase or decrease the treble sound effect. 11 12 Switch to previous or next music. (Under Bluetooth or USB mode) Decrease or increase the volumn level. 13 Press to play/pause the music. (Under Bluetooth or USB mode) In Standby mode or Sleep mode, press and hold for 5 seconds to to view options. And press enter Menu, and then press OK to confirm. 14 Press to mute or unmute the sound. 15 Increase or decrease the bass sound effect. 3 1 2 5 4 7 11 12 15 3 6 8 9 10 13 14 7 Pair with your Bluetooth device You can stream music from your mobile device via Bluetooth. 1. Press . 2. Press . 3. Press and hold on the remote control or press and hold on your sound bar.
> You hear a sound signal.
> The Sound Bar is ready to pair. 4. Power on your Bluetooth device and activate its Bluetooth function. 5. Select TCL 8212 Sound Bar.
> You hear a sound signal.
> Pairing is successful. 6. If you want to re-pair with another device, please repeat step 3. TCL 8212 Sound Bar 5 4 2 3 1 8 Sound Bar LED Display HELLO The LED display on the Sound Bar gives you information about the status of the Sound Bar. Remote Control LED Indications Remarks
*Power on/off HELLO READY START STDBY HDMI 1 IN BT PAIR OPT USB PASS THRoUgh HDMI 2 ARC CONNECTED MOVIE MUSIC TV 2s NIGHT SURR ON/OFF tre -3 BAS -3 tre +3 BAS +3 V 28 V MAX V MIN MUTE DIM 1 DIM 2 PAUSE
-X-
*Input source
*Connect your Blu-ray player via HDMI IN to use PASS THRU Set prefered sound Reduced dynamics Inhanced surround effect Increase or decrease treble or bass level Volume Mute/unmute Previous, next music or pause on USB mode Set display brightness Not support sub pair sub connected Pair your subwoofer manually DOLBY ATMOS DOLBY surround PCM AUDIO Audio format detected HELLO HELLO 9 Trademarks Compatible with Dolby Vision Dolby, Dolby Vision, Dolby Atmos, and the double-D symbol are registered trademarks of Dolby Laboratories Licensing Corporation. Manufactured under license from Dolby Laboratories. Condential unpublished works. Copyright 20122020 Dolby Laboratories. All rights reserved. Does this Sound Bar work with any TV?
Whats PASS THRU?
Pass Through function equals to the extending of HDMI IN, which switches on/off singular source of sound passing through from the A / V device to the TV. FAQ Yes, the Sound Bar is compatible with any TV that has one of the ports below:
1. HDMI supporting ARC (preferred) 2. Optical audio output (TOSLink) When the Sound Bar and TV are both on, there is an echo effect. If you use HDMI-ARC connection, please check if the HDMI-CEC feature of your TV is turned on. This feature may be called T-Link, Anynet+, SimpLink, BRAVIA Link, EasyLink or VIERA Link . If using optical connection, simply mute the TV speaker. How many sound modes are available?
Four sound modes - Movie, Music, TV and Night. What are the subwoofer LED indicator status during pairing:
Standby mode: ashes slowly. Pairing: ashes quickly. Paired: on solidly. All technology names mentioned are the trademarks or registered trademarks of their respective companies. 7a Pair with your Bluetooth device or support.tclusa.com support.tclcanada.com Copyright 2021 TCL. All rights reserved. TS8212_NA_USA_QSG_V0.6 72-T8212U-QSGB2 English Important safety instructions Make sure you read all the safety information before you use this product. TCL Entertainment Solutions Limited bears no responsibility for accidents or damages caused by unauthorized changes, modications or improper use of the product. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. The lightning ash with arrowhead symbol, within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufcient magnitude to constitute a risk of electric shock. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product. This symbol indicates that this product incorporates double insulation between hazardous main voltage and user accessible parts. When servicing, use only identical replacement parts. Unplug this apparatus during lightning storms or when unused for long periods of time. Refer all servicing to qualied service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped. Cautions To prevent electric shock, match wide blade of plug to wide slot, fully insert. Do not place any sources of danger on the product (for example: liquid lled objects, lighted candles). Disconnect the power cord to shut off when nd trouble or not in use. The power cord shall be readily operable. readily operable. Use of controls or adjustments or performance of procedures other than those described herein, may result in hazardous radiation exposure or other unsafe operation. The power cord/appliance coupler is used as the disconnect device, the disconnect device must remain The rating label is located at the bottom or back of the p roduct. The use of apparatus in tropical and moderate climates. Battery precautions Do not mix batteries (old and new or carbon and alkaline). Do not dispose of batteries in re or water. Recycle or dispose of batteries as per state and local guidelines. Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type. Compliance notice Notice for US FCC Information Warning Changes or modications to this unit not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. Note This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio / TV technician for help. Warnings To reduce the risk of re or electric shock, do not expose this product to rain or moisture. This product should not be exposed to dripping or splashing. No objects lled with liquids, such as vases, should be placed on or near the product. new ones. The product is unstable if it is not properly placed or mounted to the wall. Be sure to follow the wall mounting instructions provided in the user manual to ensure your safety. Do not expose batteries to excessive heat such as sunshine, re, and so forth. leak or explode. When the remote control is not to be used for a long time (more than a month), remove the battery from the remote control to prevent it from leaking. If the batteries leak, wipe away the leakage inside the battery compartment and replace the batteries with This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired operation. Keep away the batteries from heat or moisture. Do not carry or store batteries with other metallic objects. Doing so could cause batteries to short circuit, Never recharge a battery unless it is conrmed to be a rechargeable type. FCC Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator and your body.This transmitter must not be co-located or operated in conjunction with any other antenna or transmitter. Safety Disposal of your old product and battery Your product is designed and manufactured with high quality materials and components, which can be recycled and reused. Notice for Canada Class B Clause This Class B digital apparatus complies with Canadian ICES-003 Read these instructions - Read all the safety and operating instructions before operating the product. Retain these instructions - Retain the safety and operating instructions for future reference. Heed all warnings - Adhere to all warnings on the product and in the operating instructions. Follow all instructions - Follow all operating and use instructions. Do not use this apparatus near water The appliance should not be used near water or moisture for example, in a wet basement or near a swimming pool and the like Clean only with a dry cloth. Do not block any ventilation openings. Install in accordance with the manufacturers instructions. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus
(including ampliers) that produce heat. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not t into your outlet, consult an electrician for replacement of the obsolete outlet. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where it exits from the product. Use only attachments/accessories specied by the manufacturer. Use only with the cart, stand, tripod, bracket, or table specied by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over. This product may contain lead and mercury. Disposal of these materials may be regulated due to environmental considerations. For disposal or recycling information, please contact your local authorities. This product contains batteries:
Do not incinerate. Batteries may explode if overheated. For disposal or recycling information, please contact your local authorities. This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canadas licence-exempt RSS(s). Operation is subject to the following two conditions:
1.This device may not cause interference. 2.This device must accept any interference, including interference that may cause undesired operation of the device. CAUTION: Risk of explosion if the battery is replaced by an incorrect type. IC Radiation Exposure Statement CAUTION: Replacement of a battery with an incorrect type that can defeat a safeguard. CAUTION: Disposal of a battery into re or a hot oven, or mechanically crushing or cutting of a battery, that can result in an explosion. CAUTION: Leaving a battery in an extremely high temperature surrounding environment that can result in an explosion or the leakage of ammable liquid or gas. CAUTION: A battery subjected to extremely low air pressure that may result in an explosion or the leakage of ammable liquid or gas. This equipment complies with ISED RSS-102 radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator and any part of your body. Warning: The user is cautioned that changes or modications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. Franais Consignes de scurit importantes Assurez-vous de lire toutes les informations de scurit avant d'utiliser ce produit. TCL Entertainment Solutions Limited ne prendra aucune responsabilit pour tous accidents ou endommages causs par des changements non autoriss, des modications ou des utilisations inappropries du produit. MISE EN GARDE RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR Dbranchez cet appareil lors dorages ou lors de non-utiliser pendant une longue temps. Conez tout entretien au personnel quali. Un entretien est requis lorsque lappareil a t endommag de quelque manire que ce soit, par exemple au niveau du cordon dalimentation ou de la che ou si un liquide a t renvers ou des objets sont tombs dans lappareil, sil a t expos la pluie ou lhumidit, ne fonctionne pas normalement ou sil a t abandonn. Avis pour les tats-Unis Informations sur la FCC Avis de conformit Mises en garde Pour viter les lectrocutions, faites correspondre la lame large de la che la fente large et Avertissement Les changements ou les modications sur cet appareil non expressment approuvs par la partie responsable de la conformit pourraient invalider l'autorit de l'utilisateur pour manipuler l'quipement. MISE EN GARDE : NE RETIREZ PAS LE COUVERCLE (OU LE DOS), SINON RISQUER UN CHOC ELECTRIQUE. AUCUNE PICE NEST RPARABLE PAR LUTILISATEUR LINTRIEUR. CONFIEZ LENTRETIEN UN TECHNICIEN QUALIFI. insrez-la compltement. allumes). Ne placez aucune source de danger sur le produit (par exemple, objets remplis de liquide, bougies Le symbole de lclair en forme de che, situ dans un triangle quilatral, a pour but dalerter lutilisateur de la prsence dune tension dangereuse non isole lintrieur du botier du produit pouvant tre sufsamment importante pour constituer un risque dlectrocution. Le point dexclamation dans un triangle quilatral est destin alerter lutilisateur de la prsence de consignes importantes dutilisation et de maintenance (entretien) dans la documentation accompagnant le produit. Ce symbole indique que ce produit comporte une double isolation entre la tension principale dangereuse et les pices accessibles lutilisateur. Lors de lentretien, utilisez uniquement des pices de rechange identiques. Dbranchez le cordon dalimentation pour lteindre en cas de problme ou si vous ne lutilisez pas. Le cordon dalimentation doit tre facilement utilisable. Lutilisation de commandes ou de rglages, ou lexcution de procdures autres que celles dcrites dans les prsentes, peut entraner une exposition des radiations dangereuses ou toute autre opration dangereuse. Le coupleur du cordon dalimentation/de lappareil est utilis comme dispositif de dconnexion; le dispositif de dconnexion doit rester facilement utilisable. tiquette d'identication se trouve au bas ou larrire du produit. L L'appareil peut tre utilis dans des climats tropicaux et modrs. Prcautions relatives la batterie Ne mlangez pas les piles (uss et neuves, au carbone et alcalines). Ne jetez pas les piles au feu ou dans leau. Avertissements Pour rduire les risques dincendie ou dlectrocution, nexposez pas ce produit la pluie ou lhumidit. Ce produit ne doit pas tre expos des gouttes ou des claboussures. Aucun objet rempli de liquide, tel quun vase, ne doit tre plac au-dessus ou proximit du produit. Recyclez ou jetez les piles conformment aux directives nationales et locales. Danger dexplosion si la pile est remplace de manire incorrecte. Remplacez uniquement par le mme type ou un type quivalent. Lorsque la tlcommande ne doit pas tre utilise pendant une longue priode (plus dun mois), retirez la pile de la tlcommande pour lempcher de couler. Le produit est instable sil nest pas correctement plac ou x au mur. Veuillez suivre les instructions de Si les piles coulent, essuyez les coulements lintrieur du compartiment des piles et remplacez les montage mural fournies dans ce manuel dutilisation pour assurer votre scurit. piles par des neuves. Nexposez pas les piles une source de chaleur excessive telle que le soleil, le feu, etc. Gardez les piles lcart de la chaleur ou de lhumidit. Scurit Lisez ces consignes Lisez toutes les consignes de scurit et dutilisation avant dutiliser le produit. Conservez ces consignes Conservez les consignes de scurit et dutilisation pour une consultation Ne transportez pas et ne stockez pas les piles avec dautres objets mtalliques. Cela pourrait provoquer un court-circuit, un coulement ou une explosion des piles. Ne rechargez jamais une pile sauf sil est prouv quelle est rechargeable. Mise au rebut de votre produit usag et de la batterie ultrieure. demploi. Respectez tous les avertissements Respectez tous les avertissements sur le produit et dans le mode Votre appareil est conu et fabriqu avec des composants et des matriaux de haute qualit, pouvant tre recycls et rutiliss. Observez toutes les consignes Observez le mode demploi et toutes les consignes dutilisation. Nutilisez pas cet appareil proximit deau Cet appareil ne doit pas tre utilis proximit deau ou dhumidit par exemple, dans un sous-sol humide ou prs dune piscine, etc. Nettoyez uniquement avec un chiffon sec. Ce produit peut contenir du plomb et du mercure. Llimination de ces matriaux peut tre rglemente pour des raisons environnementales. Pour plus dinformations sur la mise au rebut ou le recyclage, contactez les autorits locales. Ne bloquez aucune bouche daration. Installez conformment aux instructions du fabricant. Ce produit contient des piles:
Remarque Cet quipement a t test et dclar conforme aux limites imposes aux appareils numriques de classe B, conformment la section 15 du rglement de la FCC. Ces limites sont conues pour fournir une protection sufsante contre les interfrences prjudiciables dans une installation rsidentielle. Cet quipement gnre, utilise et peut mettre de lnergie radiolectrique et, sil nest pas install et utilis conformment aux instructions fournies, peut produire des interfrences affectant les communications radio. Cependant, rien ne garantit que des interfrences ne se produiront pas dans certaines installations. Si cet quipement gnre des interfrences prjudiciables la rception de signaux radio ou de tlvision
(ce qui peut tre constat en teignant puis en rallumant lappareil), nous conseillons lutilisateur dessayer une ou plusieurs des mesures suivantes pour tenter de corriger le problme :
Rorienter ou dplacer lantenne de rception. loigner davantage le rcepteur de lquipement. Brancher lquipement sur une prise de circuit diffrente de celle sur laquelle le rcepteur est branch. Consulter le revendeur ou un technicien quali spcialis en quipements radio/de tlvision. Cet appareil est conforme la section 15 de la rglementation de la FCC. Le fonctionnement est soumis aux deux conditions suivantes:
(1) cet appareil ne doit pas causer d'interfrences nuisibles, et
(2) Cet appareil doit accepter toutes les interfrences reues, y compris celles susceptibles de provoquer un fonctionnement indsirable. Dclaration de la FCC sur lexposition aux rayonnements : Cet appareil est conforme aux limites de la FCC sur lexposition aux rayonnements dnies pour un environnement non contrl. Cet quipement doit tre install et utilis avec une distance minimale de 20 cm entre le radiateur et votre corps. Cet metteur ne doit pas tre plac au mme emplacement ni tre utilis avec toute autre antenne ou tout autre metteur. Avis pour le Canada Clause de classe B Cet appareil numrique de classe B est conforme la norme canadienne ICES-003. Lmetteur/rcepteur exempt de licence contenu dans le prsent appareil est conforme aux CNR dInnovation, Sciences et Dveloppement conomique Canada applicables aux appareils radio exempts de licence. Lexploitation est autorise aux deux conditions suivantes :
1. Lappareil ne doit pas produire de brouillage;
2. Lappareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible den compromettre le fonctionnement. Ne linstallez pas prs de sources de chaleur telles que les radiateurs, les bouches de chaleur, les poles ou autres appareils (y compris les amplicateurs) produisant de la chaleur. Ne dtruisez pas l'objectif de scurit de la che polarise ou mise la terre. Une che polarise a deux lames avec une plus large que lautre. Une che de type mise la terre a deux broches et une troisime broche de mise la terre. La lame large ou la troisime broche sont fournies pour votre scurit. Si la che fournie ne rentre pas dans votre prise, consultez un lectricien pour remplacer la prise obsolte. Protgez le cordon d'alimentation des pitinements et des pincements, en particulier au niveau des Ne pas incinrer. Les piles peuvent exploser si elles sont surchauffes. Pour plus dinformations sur la mise au rebut ou le recyclage, contactez les autorits locales. Dclaration IC relative lexposition aux rayonnements ATTENTION: Risque d'incendie ou dexplosion si la batterie est remplace par un type incorrect. ATTENTION: Remplacement dune batterie par un type incorrect pouvant supprimer une protection. ATTENTION: Mise au rebut dune batterie dans un feu ou dans un four chaud, ou crasement Pour se conformer aux exigences de conformit CNR 102 RF exposition, une distance de sparation d'au moins 20 cm doit tre maintenue entre l'antenne de cet appareil ettoutes les personnes. Attention : le droit de lutilisateur de faire usage de lappareil peut tre annul par des modications ou changements non approuvs expressment par lentit en charge de la conformit de lappareil par rapport aux normes. ches, des prises de courant et du point de sortie du produit. mcanique ou coupure dune batterie, susceptible de provoquer une explosion. Nutilisez que les pices jointes / accessoires spcis par le fabricant. Nutilisez que avec le chariot, le pied, le trpied, le support ou la table spcis par le fabricant ou ATTENTION: Maintien dune batterie dans un environnement trs haute temprature pouvant provoquer une explosion ou la fuite de liquide ou de gaz inammables. vendus avec l'appareil. Lorsquun chariot est utilis, faites attention lorsque vous dplacez la combinaison chariot/appareil pour viter les blessures dues au renversement. ATTENTION: Batterie soumise une pression de lair extrmement faible pouvant provoquer une explosion ou la fuite de liquide ou de gaz inammables.