Vai alla pagina of
Manuali d’uso simili
-
Projector
BenQ MX613ST
68 pagine 5.62 mb -
Projector
BenQ MX850UST
67 pagine 6.05 mb -
Projector
BenQ MX661
126 pagine 7.23 mb -
Projector
BenQ PB7230
44 pagine 3.17 mb -
Projector
BenQ MP576
68 pagine 4.9 mb -
Projector
BenQ PE6800
33 pagine 5.97 mb -
Projector
BenQ MX815ST+
61 pagine 5.33 mb -
Projector
BenQ W770ST
63 pagine 4.62 mb
Un buon manuale d’uso
Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso BenQ SH940. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica BenQ SH940 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.
Che cosa è il manuale d’uso?
La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso BenQ SH940 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.
Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.
Quindi cosa dovrebbe contenere il manuale perfetto?
Innanzitutto, il manuale d’uso BenQ SH940 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo BenQ SH940
- nome del fabbricante e anno di fabbricazione BenQ SH940
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature BenQ SH940
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti
Perché non leggiamo i manuali d’uso?
Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio BenQ SH940 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti BenQ SH940 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio BenQ in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche BenQ SH940, come nel caso della versione cartacea.
Perché leggere il manuale d’uso?
Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo BenQ SH940, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.
Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso BenQ SH940. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.
Sommario del manuale d’uso
-
Pagina 1
SH940 Digital Pr ojector User Manual copyright-en.fm Page 1 Thursday , October 11, 20 12 3:07 PM[...]
-
Pagina 2
2 Table of contents English T able of contents Important safety instructions .... ........................ 3 Overview ................................ 6 Shipping contents. ...................... ............... 6 Remote control batt eries ........ ............... 7 Remote control oper ation ..................... 7 Projector features ...............[...]
-
Pagina 3
3 Important safety instructions English Thank you f or your pur chase of this quality BenQ projec tor! It has been designed to pr ovide yo u with an enjoyabl e home theater viewing experience. For the best results, please re ad this manual through carefull y as it is your guide thr ough the contr ol menus and operation. Impor tant saf ety instructi[...]
-
Pagina 4
4 Important safety instructions English 5. Do not block th e vents holes while the projector is on (ev en in standby mode): - Do not cov er the projector with an y item; - Do not place the pr ojector on a blank et, bedding or an y other soft surface. 9. Do not look straight into the projector lens during operation. It ma y harm your sight. 6. In ar[...]
-
Pagina 5
5 Important safety instructions English 13. Nev er attempt to replace the lamp assemb ly until the pr ojector has cooled down and is unplugged from the power supply . 14. When y ou think ser vice or repair i s required, tak e the projector onl y to a suitably qualified technician. 15. Do not attempt to disassemble this proj ector . There are danger[...]
-
Pagina 6
6 Overview English Ov er view Shipping contents Carefull y unpack and verify that you ha ve the items belo w . Some of the items may not be a vailable depending on your r egion of purchase. Pl ease check with y our place of purchase. Some of the accessories ma y var y from r egion to region. The warranty card is only supplied in some specific r egi[...]
-
Pagina 7
7 Overview English Remote contr ol batteries 1. T o open the battery cover , turn the remot e contr ol over to view its back, push on the finger grip on the co ver and slide it do wn in the direct ion of the arrow as il lustrated. The cov er will slide off. 2. Remov e any existing batteries (if necessar y) and install tw o new AAA batteries observi[...]
-
Pagina 8
8 Overview English Pr ojector featur es • Full HD compatible The projector is compatible with Standar d Defi nition TV (SDTV) 480i, 480p, 576i, 576p , and High Definition TV (HDTV) 720p , 1080i and 1080p formats, with the 1080p format pro viding a true 1:1 image repr oduction. • High picture quality The proje ctor provides excell ent picture qu[...]
-
Pagina 9
9 Overview English Pr ojector exterior vie w Fr ont and upper side view Rear view Under view 1. Control panel (See "Contr ol panel" on pag e 1 0 for det ai ls .) 2. Lamp co ver 3. Fr ont IR sensor 4. Lens shift le ver 5. Projection lens 6. V ent (heated air exhaust) 7. A C P o wer cable inlet 8. Rear IR sensor 9. RJ45 LAN input jack 10. H[...]
-
Pagina 10
10 Overview English Contr ols and functions Contr ol panel 6. Arro w/K eystone ke ys (Left / , Up / , R i g h t /, D o w n /) Mov es the c urr ent On-Screen Displa y (OSD) menu selection in the direction of the arr ow being pressed when the OSD men u is activated . Manually cor rects distorted pictures r esulting from an angled pr ojection . 7. PO [...]
-
Pagina 11
11 Overview English Remote contr ol 1. Powe r ON / OFF T oggles the pr ojector betw een standby mode and on. 2. Source selection k eys Selects an input source f or display . 3. MENU/EXIT T urns on the On-Scr een Display (OSD) men u. Goes back to pre vious OSD menu, exits and sa ves menu settings. 4. Arro w/K eystone ke ys (Left / , Up / , R i g h t[...]
-
Pagina 12
12 Positioning your projector English P ositioning y our pr ojector Choosing a location Y our pr ojector is designed to be installed in one of four possible installation locations. Y our r oom lay out or personal pref erence will di ctate which installation location y ou select. T ake into consideration the size and position of your scr een, th e l[...]
-
Pagina 13
13 Positioning your projector English Obtaining a pr efer r ed pr ojected imag e siz e The distance fr om the projector lens to the screen, the zoom setting, and the video format each factors in the pr ojected image size. This projector is equipped with a mo vable lens. See "Shifting the projection lens" on page 16 for d etails. Y ou can [...]
-
Pagina 14
14 Positioning your projector English Pr ojection dimensions Installation for a 16:9 ratio scr een The screen aspect ratio is 16:9 and the pr ojected picture is 16:9 The abo ve numbe rs are appr oximate an d may be sligh tly different fr om the actual measur ements. Only the recommende d screen sizes ar e listed. If y our screen siz e is not in the[...]
-
Pagina 15
15 Positioning your projector English Installation for a 4:3 ratio scr een The illustrations and table below ar e provided f or those users who already ha ve 4:3 aspect ratio scr eens or intend to purchase 4:3 aspect ratio sc r eens to view 16:9 ratio pr ojected images. The screen aspect ratio is 4:3 and the pr ojected picture is 16:9 The abo ve nu[...]
-
Pagina 16
16 Positioning your projector English Shifting the projection lens The lens shift contr ol pro vides flexibility for installi ng y our projector . It allows the pr ojec tor to be positioned off t he center of the screen. The lens shift is expressed as a per centage of the pr ojected image height or width. It is measured as an offset from the pr oje[...]
-
Pagina 17
17 Connecting with video equipment English Connecting with video equipment Y ou can connect the projector to any type of video e quipment, such as a VCR, D VD pla yer , digital tuner , cable or satellite decoder , video ga me console or digital ca mera. Y ou can also connect it to a desktop or laptop PC or Apple Macintosh system. Y ou need only con[...]
-
Pagina 18
18 Connecting with video equipment English Connecting component-video/RGB de vices Connect your RGB sour ce (D VD play er or HD set top box) to the RBGHV inputs. Y ou can also use a BNC- type component cable to connect your video devices. The audio connect ions are pr ovided for informational purposes only . Y ou can also connect the separate audio[...]
-
Pagina 19
19 Connecting with video equipment English Connecting a computer Connect the projector to a computer with a V GA cable or a DB15HD-to-5 x BNC cable . Many la ptops do not turn on their external video ports when connect ed to a projector . Usually a key combination like Fn + F3 or CR T/LCD key turns the e xternal display on/o ff. Locate a func tion [...]
-
Pagina 20
20 Using the projector English Using the pr ojector Preparations 1. Plug in and turn all of the connected equipment on. 2. If not already in, plug the supplied po wer cable into the A C inlet on the rear of the projector . 3. Plug the pow er cable into a wall pow er outlet and turn the wall switch on. Please use the origi nal accessories (e .g. pow[...]
-
Pagina 21
21 Using the projector English Selecting an input sour ce The pr ojector can be conn ected to multiple equipment at the same time. When the projector is f irst turned on, it will attempt to reconnect wi th the input source which was in use when the projector was last sh ut down. T o select the video sour ce: • Us i n g t h e re mo t e c o n t ro [...]
-
Pagina 22
22 Using the projector English Using the menus The pr ojector is equipped with multilingual On -Screen Displa y (OSD) menus for making various adjustments and settings. Below is the o verview of the OSD menu. T o use the OSD menus, please set the OSD m enu to your familiar language. Securing the pr ojector Using a security cable lock The pr ojector[...]
-
Pagina 23
23 Using the projector English Utilizing the passw ord function For security purposes and to help pre vent unauthorized use, the projector includes an option for setting up passw ord security . The passwor d can be set through the On-Screen Displa y (OSD) menu. Once the passw ord is set and this function is selected, t he projector is passw ord-pr [...]
-
Pagina 24
24 Using the projector English Entering the passw ord r ecall procedur e 1. Mak e sure the Input Pass word page is displa yed on scr een. Press and hold PRESET MODE on the projector or MODE/ENTER on the remote contr ol for 3 seconds. The pr ojector will displa y a coded number on the scr een. 2. Write down the n umber and turn off your pr ojector .[...]
-
Pagina 25
25 Using the projector English Adjusting the pr ojected imag e Adjusting the pr ojection angle There are four adjuster feet on the bo ttom of the pr ojector . These can be used if necessary to change the pr ojection angle . Scre w the feet in or out as appr opriate to aim and le vel the pr ojection angle. If the scre en and the projector ar e not p[...]
-
Pagina 26
26 Using the projector English Corr ecting picture distortion K eystoning occurs when the projector is not perpen d icular to the screen and is wher e the projected picture dis plays vi sible as a trapezoid shape lik e either of the follo wing: • T wo parallel sides (l eft and right, or top and bottom) but is noticeably wider on eit her side . ?[...]
-
Pagina 27
27 Using the projector English Using the pr eset and user modes Selecting a pr eset mode The pr ojector is preset with sev eral pre-defined pictur e modes so that you can choose one to suit y our operating envir onment and input so urce pictur e type . T o select a picture mode that suits yo u r need: • Us i n g t h e re m o t e c o n t ro l Pres[...]
-
Pagina 28
28 Using the projector English Setting the User 1/User 2 mode There ar e two user -definable modes if the curr ent avai lable pic ture modes ar e not suitable for your need. Y ou can use one of the picture mode s (except the selected User mode) as a starting point and customize the settings. 1. In the Picture -- Basic menu, highl ight Picture Mode [...]
-
Pagina 29
29 Using the projector English Fine-tuning the pictur e quality No matter what picture mode y ou ha v e selected, you are able to f ine-tune those settings to fit every presentation purpose. Those adjustments will be sa ved to the pr eset mode you are at when y ou exit the OSD menu. Adjusting Brightness Highlight Brightness in the Pict ure -- Basic[...]
-
Pagina 30
30 Using the projector English Advanced pictur e quality contr ols There ar e more advanced functi ons in the Picture -- Advanced menu to be adjusted to y our pref erence. T o sa ve the settings, just pr ess MENU on the projector or MENU/EXIT on the r emote contr ol to leav e the OSD menu. Setting Black Le vel Highlight Black Lev el and press / on [...]
-
Pagina 31
31 Using the projector English Setting a pref erred color temperatur e T o set a preferr ed color temperature: 1. Highlight Col or T emperature and select User 1 , User 2 , or User 3 by pressing / on the pr ojector or remote contr ol. 2. Press to highlight Color T emperature User_ Fine T uning and press ENTER . The Color T emperature User_ Fine T u[...]
-
Pagina 32
32 Using the projector English Color Manag ement In most insta llation situat ions, colo r management w il l not be necessar y , such as in classr oom, meeting ro om, or lounge room situations wher e lights rema in on, or where building external windo ws allow da ylight into the ro om. Only in permanen t instal lations wi th controlled lighti ng le[...]
-
Pagina 33
33 Using the projector English Setting 3D Comb Filter This featur e separates composite signal to Y (br ightne ss) signal and C (color) signal, and can help pr oduce clearer and sharper images w ith correct colors in place. This function is only availa ble when a Video signal is selected Selecting the aspect ratio The "aspect ratio" is th[...]
-
Pagina 34
34 Using the projector English 3. Letter Box ( LB ): Scales a pictur e to fit the projector’ s native resolution in its horizontal width and resize t h e pictur e’ s height to the 3/4 of the projection width. This ma y produce a picture gr eater in height than can be displa ye d, so part of the pictur e is lost (not displa yed) along the top an[...]
-
Pagina 35
35 Using the projector English Hiding the ima ge In order to dra w the audience's full attention to the presenter , you can use ECO BL ANK on the remote contr ol to hide the scr een image. The word " ECO BLANK " appears in the corner of the scr een while the image is hidden. When thi s function is activated with an audio input connec[...]
-
Pagina 36
36 Using the projector English Adjusting the sound The sound adjustments made as below will ha ve an effe ct on t he projector speak er(s). Be sure y ou ha ve made a corr ect connection to the projector audio input. See "Connecting with video equipment" on page 17 for how the audio input is connected. Muting the sound T o temporarily turn[...]
-
Pagina 37
37 Using the projector English Contr olling the pr ojector thr ough a Lan en vir onment Lan Control Settings allo w you to manage the projector fr om a computer using a web br owser when the computer and the projector ar e properly co nnected to the same l o cal ar ea network. Configuring the Lan Contr ol Settings If you ar e in a DHCP envir onment[...]
-
Pagina 38
38 Using the projector English 2. The remote netw ork operation page opens. This pa ge allows you to ope rate the projector as if y ou wer e using the remote contr ol or control panel on the pr ojector . The tools page allows y ou to manage the projector , configur e th e Lan control settings and secure access of remote netw ork operation on this p[...]
-
Pagina 39
39 Using the projector English v . Press Exit to go back to the remote netw ork operation page . The info page displ ays the inf ormat ion and status of this pr ojector . For mor e information, visit http://www .cr estron.com & www .crestr on.com/getroomview . Operating in a high altitude en vir onment W e recommend that yo u activate High Alti[...]
-
Pagina 40
40 Using the projector English Displa ying mor e than one ima ge sour ce simultaneousl y Y our projector is capable of displa yi ng pictu res sim ultaneously from tw o input sources, which can be used to enhance your pr esentation in an interesting wa y . Ensure the signals y ou want to display ar e correctl y connected to the pr ojector . T o disp[...]
-
Pagina 41
41 Using the projector English T urning the pr ojector off T o turn the projector off, pr ess PO WER ( ) on the pr ojector or OFF on the r emote control and a warning message a ppears. Press PO WER () o r OFF again. • The Po wer indicator light flashes orange and the fans run for about two mi nutes to cool the lamp . The projector wil l not respo[...]
-
Pagina 42
42 Using the projector English On-Scr een Displa y (OSD) men us On-Scr een Displa y (OSD) structure Please note that the on-scr een displa y (OSD) menus vary according to the signal type selected. Main me nu Sub-menu Options Pictur e -- Basic Picture Mode Cinema/Dynamic/Pre sentation/sRGB/User 1/User 2 Load Settings Fr om Brightness 0–100 Contras[...]
-
Pagina 43
43 Using the projector English Main me nu Sub-menu Options Displa y Aspect Ratio Anamorphic/ 4:3/Letter Box/Wide/Real Ke y s t o n e 2 D Ke y s t o n e Po s i t i o n Overscan Adjustment 0/1/2/3 Color Space Con version Auto/RGB/YUV PIP PIP On/Off Main Source HDMI 1/HDMI 2/Video/Component 1/ Component 2/Computer 1/Computer 2 Second Source Active Wi [...]
-
Pagina 44
44 Using the projector English Note that the men u items are a vailable when the pr ojector detects at l east one valid signal. If ther e is no equipment connected to the projector or no sign al detected, limit ed menu items are accessi ble . Main me nu Sub-menu Options Advanced Setup Lamp Settin gs Lamp P ow er Normal/Economic Reset Lamp Timer Equ[...]
-
Pagina 45
45 Using the projector English Picture -- Basic menu Picture -- Advanced men u Function Description Picture Mode Pre-de fined picture modes ar e prov ided so you can optimize y our proje ctor picture set-up to suit your pr ogram type. See "Selecting a preset mode" on page 27 for det ails . Load Settings From Selects a preset mode t hat mo[...]
-
Pagina 46
46 Using the projector English Displa y menu Function Description Aspect Ratio There ar e several options to set the picture’ s aspect ratio depending on y our input sour ce . See "Selecting the aspect ratio" on page 33 f or details. Ke y s t o n e Corrects an y ke ystoning of the picture. See "Corr ecting pictur e distortion"[...]
-
Pagina 47
47 Using the projector English System Setup menu Function Description Languag e Sets the language for the On-S cr een Display (OSD) menus. See "Using the menus" on page 22 for d eta ils . Splash Scr een Allows y ou to select which logo sc reen will be displa yed during pr ojector start- up. Y ou can choose BenQ logo scr een, Blue screen o[...]
-
Pagina 48
48 Using the projector English Closed Caption Closed Caption Enable Activates the function b y selecting On when the s elected input signal carries closed captions. • Captions: An on-scr een displa y of the dialogue, narration, and sound effects of TV pr ograms and videos that are closed ca ptioned (usually mark ed as "CC" in TV listing[...]
-
Pagina 49
49 Using the projector English Advanced Setup menu Function Description Lamp Settings Lamp P o wer Selects the pr ojector lamp power between Normal and Economic modes. Reset Lamp Timer Once the lamp is renew ed, select Reset to r eturn the lamp timer to "0". See "Resetting the lamp timer" on page 55 for details. Equivalent Lamp [...]
-
Pagina 50
50 Using the projector English Information menu This menu sho ws you the curr ent operating status of the pr ojector . Some pictur e adjustments are a vailable only when cer t ain input sour ces are in use . Una vailable adjustments are n ot shown on th e screen. Function Description Sour ce Shows the curr ent signal sourc e . Picture M ode Shows t[...]
-
Pagina 51
51 Additional information English Additional inf o rmation Car e of the pr ojector Y our pr ojector needs little maintenance. The only thing yo u hav e to do on a regular basis is k eep the lens clean. Nev er remo ve an y par ts of the proj ector except the lamp. Contact yo ur dealer or local c ustomer ser vice center if the pr ojector fails to ope[...]
-
Pagina 52
52 Additional information English Lamp information Getting to kno w the lamp hour When the pr ojector is in operation, the duration (in hours) of lamp us age is automatically calculat ed by the built-in timer . The method of calcula ting the equivalent lamp hour is as follows: Equivalent lamp hour = 1 (hours used in Economic mode) + 3/2 (hours used[...]
-
Pagina 53
53 Additional information English Timing of r eplacing the lamp When the Lamp indicator lights up r ed or a message appears sugge sting it is time to replace the lamp , please install a new lamp or consult y our dealer . An old lamp ma y cause a malfunction in the projector and in some instances the lamp ma y explode . Go to http://lamp .BenQ.com f[...]
-
Pagina 54
54 Additional information English 1. T urn the power off and disconnect the pr ojector from the pow er outlet. T urn off all connected equipmen t and disconnect all other cables. See "T urning the projector off" on page 41 for det ail s. 2. Slightly lift the pr ojector up. Loosen the scre ws on the lamp cover . 3. Remo ve the lamp cov er [...]
-
Pagina 55
55 Additional information English Resetting the lamp timer Do not reset the lamp timer if the lamp has no t been replac ed as this could cause damage. 1. After the start-up logo, pr ess MENU on the pr ojector or MENU/EXIT on the r emote control, and then press / until the Advanced Setup menu is highlighted. 2. Press to highlight Lamp Settings and p[...]
-
Pagina 56
56 Additional information English Indicators There ar e three indicators whi ch show the status of the pr ojector . Check the following f or information about the indicator lights . If there is an ything wron g, turn the pr ojector off and contact your dealer . Light Status & Description PO WER TEMP LAMP Po w e r e v e n t s Orange Off Off Stan[...]
-
Pagina 57
57 Additional information English T r oubleshooting Prob lem Cause Remedy The projector does not turn on. There is no power fro m the power cable. Plug the pow er cable into the A C inlet on the rear of the pr ojector , and plug the pow er cable into to the pow er outlet. If the power outlet has a s witch, make s ure that it is swit che d on . (See[...]
-
Pagina 58
58 Additional information English Specifications All specifications are subject to change without notice. Optical Pr ojection system Single-chip DLP™ system. DMD chip 0.65" DLP (1920 x 1080) Lens F = 2.48 to 2.81, f = 24.1 to 36.15 mm Pr ojection screen size 30" to 300" Lamp 300W Electrical Compatibility PC: 640 x 400 to 1920 x 120[...]
-
Pagina 59
59 Additional information English Dimensions 428 mm x 318 mm x 145 mm (W x D x H) Ceiling mount installation 428 318 145 Unit: mm 83.2 104 175 240 214.01 537.90 668.70 577.70 178.17 127.70 92.2 222.2 282.2 Ceiling mount scre ws: M6 (Max. L = 25 mm; Min. L= 20 mm) Unit: mm SH940_EN.book Page 59 Wednesday, Oc tober 3, 2012 2: 36 PM[...]
-
Pagina 60
60 Additional information English Timing chart Supported timing for PC input * Only for th e PC (analog RGB) inputs Fo r m a t Resolution Refresh rate (Hz) H. Fr equency (KHz) Pix el Fr equency (MHz) 640 x 480 640 x 480 59.94 31.469 25.175 72.809 37.8 61 31.5 75 37.5 31.5 85.008 43.269 36 720 x 400 720 x 400 70.087 31.469 28.3221 800 x 600 800 x 60[...]
-
Pagina 61
61 Additional information English Supported timing for HDMI (HDCP) inpu t Supported timing for EDTV and HDTV (via Component inputs) Supported timing for Video input Fo r m a t Resolution Refresh rate (Hz) H. F req. (KHz) Pix el Fr eq. (MHz) 480i 720 x 480 59.94 15.734 27 480p 720 x 480 59.94 31.469 27 576i 720 x 576 50 15.625 27 576p 720 x 576 50 3[...]
-
Pagina 62
62 Warranty and Copyright information English W ar ranty and Cop yright information Wa r r a n t y BenQ warrants this pr oduct against any defects in material and w orkmanship, under n ormal usage and storage. Proof of pur chase date will be requir ed with any warran ty claim. In the event this product is found to be defectiv e within the warranty [...]