manualshive.com logo in svg

Digital Projection TITAN sx+-500, Руководство пользователя

Поделиться
Скачать
Digital Projection TITAN sx+-500 Скачать руководство пользователя страница 106

Rev C     March 2008         page 7.10

7. Appendix

Digital Projection 

TITAN sx+-500

 User Manual

Notes

Input connections

1. RGB1 input

5 x 75 ohm BNC

Used for computer, progressive video and analog HD video.

RGsB

RGBS

RGBHV

YCrCb

R

R

R

Pr/Cr

G + Sync

G

G

Y

B

B

B

Pb/Cb

Sync

H Sync

V Sync

2. RGB2 input

15 way D-type connector

1

R

2

G

3

B

4

unused

5

Digital Ground (H Sync)

6

R Ground

7

B Ground

8

G Ground

9

+5v

10

Digital Ground (V Sync/DDC)

11

unused

12

SDA

13

H Sync

14

V Sync

15

SCL

pin view of female connector

Содержание TITAN sx+-500

Страница 1: ...Rev C March 2008 TITAN sx 500 High Brightness Digital Video Projector User Manual 105 947C...

Страница 2: ...uct family Standard for Audio Video Audio Visual and Entertainment Lighting Control apparatus for Professional Use EN 60950 2000 Specification for Safety of Information Technology Equipment including...

Страница 3: ...tes that there is some important information that you should read Trademarks IBM is a registered trademark of International Business Machines Corporation Macintosh and PowerBook are registered tradema...

Страница 4: ...p module The whole module should be replaced Take care when removing the lamp module NEVER touch the lamp or reflector Take care not to touch the glass surface of the lamp module If you do accidentall...

Страница 5: ...tical to ensure that the stresses are distributed to all frame couplings Before installation make sure that the surface ceiling or rigging that is to support the projector is capable of supporting the...

Страница 6: ...overnment regulation could void your right to operate this equipment This equipment has been tested and found to comply with the limits for a Class A digital device pursuant with Part 15 of the FCC Ru...

Страница 7: ...K Registered in England No 2207264 Registered Office as above Tel 44 0 161 947 3300 Fax 44 0 161 684 7674 Email enquiries digitalprojection co uk service digitalprojection co uk Web Site www digitalpr...

Страница 8: ...Rev C March 2008 page vi Important Information Digital Projection TITAN sx 500 User Manual...

Страница 9: ...t s in the box 1 2 Key features of the projector 1 3 Getting to know the projector 1 4 Front panel lens and power 1 4 Rear panel lamp and air filter 1 4 Side panel connection and control 1 5 2 Install...

Страница 10: ...the projector 4 4 Input modes and settings 4 5 Indicators 4 7 Input status indicators 4 7 The control panel 4 8 Keypad layout 4 8 Projector status indicators 4 8 The remote control 4 9 Layout 4 9 Time...

Страница 11: ...Horizontal Position 4 24 Vertical Position 4 24 Aspect Ratio 4 24 User Horizontal Aspect Ratio 4 25 User Vertical Aspect Ratio 4 25 Keystone 4 25 Phase 4 25 Resolution 4 26 Blanking 4 27 Colour menu...

Страница 12: ...ctrical 7 5 Physical 7 5 Lens Data 7 6 Dimensions 7 8 Input modes supported 7 9 Input connections 7 10 1 RGB1 input 7 10 2 RGB2 input 7 10 3 DVI D input 7 11 4 SDI input 7 12 5 Composite video input 7...

Страница 13: ...Rev C March 2008 page xi Digital Projection TITAN sx 500 User Manual Contents...

Страница 14: ...Rev C March 2008 page xii Contents Digital Projection TITAN sx 500 User Manual...

Страница 15: ...tion Contents 1 Introduction 1 1 What s in the box 1 2 Key features of the projector 1 3 Getting to know the projector 1 4 Front panel lens and power 1 4 Rear panel lamp and air filter 1 4 Side panel...

Страница 16: ...enses are optional Order lenses from your Digital Projection dealer For more detailed information about lenses see Choosing a lens in Section 2 Installation Only one power cable dependent on the desti...

Страница 17: ...ith a contrast of 1600 1 and awe inspiring lumen capability the Titan sx 500 is unmatched for applications as diverse as world class staged events commercial entertainment major outdoor venues large s...

Страница 18: ...es For more detailed information about lenses see section 2 Installation For information about how to change the lamp or the filter see section 6 Maintenance Lens Air filter Lamp compartment Lamp modu...

Страница 19: ...onnect the projector see Connecting the projector in section 2 Installation and Connections in section 7 Appendix For information about how to use the control panel see section 4 Controlling the proje...

Страница 20: ...Rev C March 2008 page 1 6 1 Introduction Digital Projection TITAN sx 500 User Manual...

Страница 21: ...6 Method one using the lens chart 2 6 Lens chart 2 7 Method two Choosing a lens by calculation 2 8 Useful lens calculations 2 9 Fitting the lens 2 10 Shifting the image 2 11 Mounting the projector 2...

Страница 22: ...mple shows how a number of common formats may be displayed Images displayed full height Images displayed full width Notes The images are shown here scaled automatically by the projector The image may...

Страница 23: ...ght H The example calculations below show how to convert diagonal sizes in inches into width and height at various aspect ratios 2 35 1 Scope W D x 0 92in D x 023m H D x 0 39in D x 01m 1 85 1 W D x 0...

Страница 24: ...are able to display the full image on your screen If you have insufficient height or width you will have to reduce the overall image size in order to display the full image on your screen Notes 1 2 3...

Страница 25: ...of the screen Notes The projector should be installed as close to the power outlet as possible The power connection should be easily accessible so that it can be disconnected in an emergency Ensure th...

Страница 26: ...e the image to fit the DMD If the image does not fill the full width of the DMD this effectively increases the throw ratio of the lens This can be corrected for by applying a Throw ratio factor Method...

Страница 27: ...ns 105 610 2 02 2 77 1 zoom lens 105 611 2 77 4 51 1 zoom lens 105 612 4 51 7 53 1 zoom lens 105 613 1 2 1 1 2 2 0m fixed lens 105 609 Lens chart Use the chart below to choose which lens best suits yo...

Страница 28: ...e precise then use the calculations below Identify actual width of the image in pixels Calculate the Throw Ratio Factor TRF DMD width 1400 Image width in pixels Identify the screen width required Iden...

Страница 29: ...Screen width Throw ratio factor TRF DMD width in pixels 1400 image width in pixels image width in pixels Therefore Screen width Throw distance from outer end of lens Throw ratio x TRF Throw distance...

Страница 30: ...set to the locked position to prevent the lens from falling out Lens release lever open Zoom drive connector Lens release lever locked Fitting the lens Turn the lens release lever anti clockwise so th...

Страница 31: ...n paricularly at the corners of the image due to the image passing through the periphery of the lens optics If the lens is to be shifted in two directions combined the maximum range without distortion...

Страница 32: ...e but the optional rigging frame will allow it to be suspended from a lighting truss or rigging The four adjustable feet under the chassis allow the projector to be lowered onto a flat surface without...

Страница 33: ...projector level should be made by adjusting the length of the supporting wires or chains or by adjusting the position of the truss or rigging Once the initial coarse adjustment has been made fine adj...

Страница 34: ...rate backup safety chains or wires should always be used for each projector Stacking projectors The rigging frame is capable of supporting the weight of up to two other projectors using the built in f...

Страница 35: ...Connecting the projector Signal Inputs The following inputs are available EDID handshaking on the DVI and RGB2 inputs If you are using a computer DVI card or other source that obeys the EDID handshak...

Страница 36: ...browser to control the projector see section 4 Using the menus Crossed LAN cable TITAN Computer Un crossed LAN cables Computer TITAN TITAN Hub or LAN Computer Null modem cable TITAN Control connection...

Страница 37: ...this equipment MUST be earthed Handle the power cable carefully and avoid sharp bends Do not use a damaged power cable Power connection When mains power is first applied the projector will perform a...

Страница 38: ...Rev C March 2008 page 2 18 2 Installation Digital Projection TITAN sx 500 User Manual...

Страница 39: ...started 3 1 Switching the projector on 3 2 Selecting an input or test pattern 3 2 Input 3 2 Adjusting the lens 3 3 Focus 3 3 Zoom 3 3 Shift 3 3 Adjusting the projected image 3 4 Picture settings 3 4...

Страница 40: ...power cable between the mains supply and the projector Wait until the self test has completed and the power indicator on the control panel shows amber The lamp will be off the shutter closed and the p...

Страница 41: ...ment has been made the indicator will go out and the Lens adjustment key must be pressed again to resume adjustment to end the adjustment before 10 seconds has elapsed press a different Lens adjustmen...

Страница 42: ...ad and hold for 3 seconds to switch the projector OFF Notes The Saturation control is available for Composite S Video and Component inputs only The Phase control is available for RGB inputs only For m...

Страница 43: ...4 8 Keypad layout 4 8 Projector status indicators 4 8 The remote control 4 9 Layout 4 9 Timeout 4 9 Using the control keys 4 10 Power 4 10 Shutter 4 10 On Screen Display 4 10 Focus 4 10 Zoom 4 10 Shi...

Страница 44: ...ue 4 21 Gamma Correction 4 22 Parametric Gamma 4 22 Phase 4 22 Aspect Ratio 4 23 Sharpness 4 23 Geometry menu 4 24 Horizontal Position 4 24 Vertical Position 4 24 Aspect Ratio 4 24 User Horizontal Asp...

Страница 45: ...35 RGB Gain 4 35 Lamp 4 36 Change Lamp Setting 4 36 Lamp Power 4 37 Lamp Mode 4 37 OK 4 37 Cancel 4 37 On Screen Display 4 38 OSD Position 4 38 OSD Size 4 38 OSD Timeout 4 38 Password 4 39 Communicat...

Страница 46: ...n 2 Installation and Connections in section 7 Appendix Many features are controlled from the menus using the menu navigation keys on the remote control or keypad For more information about using the m...

Страница 47: ...e input connector will flash and the searching message will be displayed When the input mode has been detected the LED will show continuously and the auto detect message will be displayed for example...

Страница 48: ...or recall when the same input source is used again When you recell a preset the projector switches to the saved input source and redetects the input mode before applying the saved modal settings Notes...

Страница 49: ...input connector on the input panel will light as follows off input not selected green input selected signal detected and in range flashing green input selected but signal not detected or out of range...

Страница 50: ...ERROR green ON 100 amber ON 80 99 flashing green amber LAMP COOL DOWN or WARM UP Lamp 2 off OFF red LAMP ERROR green ON 100 amber ON 80 99 flashing green amber LAMP COOL DOWN or WARM UP Notes Many fea...

Страница 51: ...e remote control or keypad For more information about using the menus see later in this section Using the menus Some of the menu features for example brightness contrast and input preset operations ca...

Страница 52: ...seconds has elapsed press a different Lens adjustment key or press the key all other adjustments will be locked out until the Lens adjustment is ended For more information about the amount of lens shi...

Страница 53: ...ings earlier in this section Source information Press to display the source information screen Input Press or to change to the next input up or down the following list 1 RGB1 2 RGB2 3 DVI 4 SDI 5 Comp...

Страница 54: ...in this section Input Presets Recall To recall a set of modal settings that have been saved press and hold whilst pressing the lettered key A S The projector will switch to the saved input source and...

Страница 55: ...d press a different adjustment key or press the key When the OSD is OFF the keys will still function but the controls will not be visible on screen Red Green and Blue Press or to switch the red green...

Страница 56: ...controlled from a single remote control provided they are connected by cable or are both in range of the infra red Magnify and pan Press Magnify MAGNIFY followed by and to adjust the size of the pictu...

Страница 57: ...ey were last viewed see On Screen Display in Setup Menu later in this section Main menu Input Main menu Setup Using the menus Navigating menus and submenus When the menus are in use and the OSD is ON...

Страница 58: ...Projector Setup submenu To select a submenu press and for example the Lamp submenu Press to open the submenu The submenu opens with the title at the top To close the submenu and return to the previou...

Страница 59: ...t a time to the right press and These two items are greyed out and the values are blank showing that they are not available due to the effect of settings made in other menus or due to the type of inpu...

Страница 60: ...from 1 RGB1 2 RGB2 3 DVI 4 SDI 5 Composite Video 6 S Video 7 Component Press to confirm your selection Notes Some menu controls can be accessed directly using the control keys see earlier in this sec...

Страница 61: ...e Picture menu all settings from the Input menu 1 7 all settings from the Geometry menu except Keystone all settings from the Colour menu except Global Press and to select Presets Press to open the Pr...

Страница 62: ...ave the current set of parameters press and to select one of the Presets For Presets J to S select Save Preset J S then press to open the J S submenu Press and to select the Preset Press to confirm yo...

Страница 63: ...ly The Hue slider is available for NTSC inputs only Picture menu To return to the main menu press up to three times From the main menu Press and until Picture is highlighted Press to open the Picture...

Страница 64: ...and to select from Parametric Enables the gamma slider User download Applies the gamma settings made externally using the DP Userware on a personal computer default gamma of 2 2 Graphics Enhanced hig...

Страница 65: ...nent SD inputs only Aspect Ratio Press and to select Aspect Ratio Press and to select from Fill This will best fit the incoming source to fill either the height or width without changing the aspect ra...

Страница 66: ...he main menu Press and until Geometry is highlighted Press to open the Geometry menu The blue highlight moves to the first item in the menu Horizontal Position Press and to select H Position Press and...

Страница 67: ...atio Press and to select User H Aspect Press and to adjust the slider internal number adjust to fit User Vertical Aspect Ratio Press and to select User V Aspect Press and to adjust the slider internal...

Страница 68: ...ignal When Input Detection is set to Manual Press and to select Input Standard Press and to select from 720p XGA XGA SXGA SXGA SXGA 1080p UXGA VGA NTSC PAL SVGA Notes Geometry Menu Resolution Input De...

Страница 69: ...elect the edge to be Blanked Press and to adjust the slider 0 to 200 Notes The adjustment sliders are available only if Input Detection is set to Custom Total H Samples is available for RGB1 and RGB2...

Страница 70: ...n check on the projector or venue a set of Global colour settings can be made in the Global Colourimetry menu These settings are then available to be copied at any time using the Colour Mode setting i...

Страница 71: ...pe selection is available for RGB1 RGB2 and Component inputs only Colour Mode Press and to select Colour Mode Press and to select from Global Temperature User Peak Video Film Graphic User 1 User 2 Col...

Страница 72: ...ection before making any settings in the Colour menus Trim Press and to select Trim Press to open the Trim submenu Trim RGB Lift and Gain Press and to select the parameter to be adjusted Press and to...

Страница 73: ...or Notes When using the menus press OSD or to hide or reveal the On Screen Display Setup Menu Setup menu To return to the main menu press up to three times From the main menu Press and until Setup is...

Страница 74: ...enu Orientation Press and to select Orientation Press and to select from Desktop Front Desktop Rear Ceiling Front Ceiling Rear Control Panel Backlight Press and to select Backlight Press and to select...

Страница 75: ...lect Keystone Press and to adjust the slider 128 to 127 Test Pattern Press and to select Test Pattern Press to open the Test Pattern submenu Press and to select from Off Alignment Grid Screen Layout s...

Страница 76: ...e Global Colourimetry menu These settings are then available to be copied at any time using the Colour Mode setting in the Colour menu or used as a starting point using the Trim feature in the Colour...

Страница 77: ...and Gain sliders are available only if User Mode is selected Colour Mode Press and to select Colour Mode Press and to select from Temperature User Peak Video Film Graphic User 1 User 2 Colour Tempera...

Страница 78: ...TAN sx 500 User Manual Lamp Press and to select Lamp Press to open the Lamp submenu The middle row shows the current lamp setting Change Lamp Setting Press and to select Change Lamp Setting Press to o...

Страница 79: ...the Lamp Power from 80 to 100 in 1 steps Lamp Mode Press and to select Lamp Mode Press and to select from single lamp modes Lamp 1 lamp 1 only Lamp 2 lamp 2 only Alternate on power up selects the lamp...

Страница 80: ...in the menus will reopen at the same point they were last viewed On Screen Display Press and to select On Screen Display Press to open the On Screen Display submenu OSD Position Press and to select OS...

Страница 81: ...uthorised service personel only Press and to select Password Press to open the Password control box Press and to select each digit in turn Press and to adjust the digit from 0 to 9 then move to the ne...

Страница 82: ...Press and to select Communication Press to open the Communication submenu Projector Address The projector and the remote control need to be set to matching addresses Read the note to the right on thi...

Страница 83: ...continued Network Press and to select Network Press to open the Network submenu LAN MAC Address Projector s unique ID for information only cannot be changed Connection Press and to select Connection P...

Страница 84: ...continued DHCP Press and to select DHCP Press to open the DHCP control box Press and to select from On Off Press to apply the new DHCP setting LAN IP Address Press and to select LAN IP Address Press t...

Страница 85: ...5 255 255 248 255 255 255 240 255 255 255 224 255 255 255 192 255 255 255 128 255 255 255 0 selected when setting is Automatic and IP class is C Class B Masks 255 255 254 0 255 255 252 0 255 255 248 0...

Страница 86: ...rol box Use and to select each number in turn Use and to adjust the number then move to the next number Use and to select from Apply Cancel Press to apply the new LAN Gateway Mask or to exit without m...

Страница 87: ...ontrol box Press and to select the channel number Use and to adjust the channel number from 0 to 14 Use and to select from Apply Press to apply the new Channel number or Cancel Press or to exit withou...

Страница 88: ...de This process will take up to 10 seconds During this time the projector will not respond to any commands When complete all settings will be restored to factory condition and all user settings will b...

Страница 89: ...u press up to three times From the main menu Press and until Information is highlighted Press to open the Information menu The blue highlight moves to the first item in the menu Projector Information...

Страница 90: ...AN sx 500 User Manual Digital Projection Information Press and to select Digital Projection Press to see the DP Information screen Information menu continued Notes When using the menus press OSD or to...

Страница 91: ...Rev C March 2008 5 Userware Contents 5 Userware 5 1...

Страница 92: ...Rev C March 2008 page 5 2 5 Userware Digital Projection TITAN User Manual...

Страница 93: ...Rev C March 2008 6 Maintenance Contents 6 Maintenance 6 1 Changing the lamp 6 2 Changing the air filter 6 3 Cleaning 6 4 Projector 6 4 Lens 6 4 Lamp module 6 4...

Страница 94: ...tighten the four screws Notes Always allow the lamp to cool for 5 minutes before disconnecting the power moving the projector changing the lamp There are no user serviceable parts inside the lamp modu...

Страница 95: ...t trapped and tighten the three screws Notes Always allow the lamp to cool for 5 minutes before disconnecting the power moving the projector changing the lamp The air filter should be changed regularl...

Страница 96: ...nd lens NEVER touch the lamp or reflector Cleaning Turn the projector off before cleaning Projector Clean the cabinet periodically with a damp cloth If heavily soiled use a mild detergent Lens Use a b...

Страница 97: ...mponent video input 7 12 Control connections 7 13 Wired remote control connection 7 13 LAN connections 7 13 TCP Port number 7 13 Wireless 7 13 10BaseT Unshielded Twisted Pair cable 7 13 Crossed cable...

Страница 98: ...ps are faulty See Section 5 Maintenance Changing the lamp Check that the input source is switched on and connected to the projector correctly Check that the correct image source is selected See Sectio...

Страница 99: ...s are being used See Serial communications protocol available from Digital Projection If you are using a cable check that the cable is connected properly at both ends that the cable is not damaged and...

Страница 100: ...001 742 Air filter 102 064 Lenses 0 73 1 fixed lens 105 607 1 2 1 3 15m fixed lens 105 608 1 2 1 1 2 2 0m fixed lens 105 609 1 5 2 02 1 zoom lens 105 610 2 02 2 77 1 zoom lens 105 611 2 77 4 51 1 zoom...

Страница 101: ...ntrol Mains voltage 100 230 VAC 10 48 62Hz single phase Power consumption 750 W International Regulations Meets FCC Class A requirements Meets EMC Directives EN 50081 1 EN 50082 1 EN 55022 MeetsLow Vo...

Страница 102: ...14 1 53 Distortion 0 3 0 5 to be confirmed 0 5 Transmission 85 88 to be confirmed 88 Mechanical Lens extension 204mm 268mm 268mm 194mm 8 0in 10 6in 10 6in 7 6in Length 361mm 422 1mm 422 1mm 345mm 14 2...

Страница 103: ...rtical 525 525 525 vs DMD height 0 5H 0 5H 0 5H lens shift horizontal 450 450 450 vs DMD width 0 32W 0 32W 0 32W Aperture F 2 5 F 2 5 F 2 5 Max object field size 34 6mm 34 6mm 34 6mm 1 36 1 36 1 36 Ef...

Страница 104: ...Rev C March 2008 page 7 8 7 Appendix Digital Projection TITAN sx 500 User Manual Dimensions All dimensions in mm unless otherwise stated...

Страница 105: ...25 67 48 9 9 COMPUTER 480p 640 x 480 60 525 31 51 9 9 VGA72 640 x 480 72 520 37 86 9 9 VGA75 640 x 480 75 500 37 51 9 9 VGA85 640 x 480 85 509 43 27 9 9 SVGA56 800 x 600 56 625 35 16 9 9 SVGA60 800 x...

Страница 106: ...mputer progressive video and analog HD video RGsB RGBS RGBHV YCrCb R R R Pr Cr G Sync G G Y B B B Pb Cb Sync H Sync V Sync 2 RGB2 input 15 way D type connector 1 R 2 G 3 B 4 unused 5 Digital Ground H...

Страница 107: ...19 TMDS Data 0 20 TMDS Data 0 Shield 21 unused 22 unused 23 TMDS Clock Shield 24 TMDS Clock Hot plug detect HPD is fully DVI compliant DVI sources detect the presence of a display device by providing...

Страница 108: ...uency response loss in decibels should be proportional to 1 f from 1MHz to 1 5GHz The following or similar cable specification should be used to ensure fault free communication between source and proj...

Страница 109: ...to a computer with no hub or network Note that only the green and orange pairs are crossed 1 White Orange stripe White Green stripe 1 2 Orange Green 2 3 White Green stripe White Orange stripe 3 4 Blu...

Страница 110: ...onnect the projector to a computer RX 2 3 TX TX 3 2 RX GND 5 5 GND Serial port settings Baud rate 19 200 bps Data length 8 bits Stop bits one Parity none Flow control none Notes The projector is a DTE...

Страница 111: ...e data type for all data is raw hexadecimal and all data larger than 1 byte is formatted little endian i e LSB first There are currently two supported message types Operation Messages message type 03h...

Страница 112: ...ease or decrease a value by one unit Execute executes the current operation specific commands only Spaces in the example messages are for visual clarity and should not be sent as part of the message H...

Страница 113: ...rojector Series External Control Protocol Size is always Data Length 4 4 bytes after CRC and before data Header Type Size CRC Data type Data length n 2 bytes 1 byte 2 bytes 2 bytes 2 bytes 2 bytes Dat...

Страница 114: ...Projector Standby BEEF 03 1900 5858 01 0102 0000 00000000 04000000 00000000 00000000 00000000 Response 1E BEEF 03 1900 5858 01 0102 0000 00000000 04000000 00000000 00000000 00000000 Get Projector Powe...

Страница 115: ...01 3702 0000 00000000 05000000 00000000 00000000 00000000 Response 1E BEEF 03 1900 5858 01 3702 0000 00000000 05000000 00000000 00000000 00000000 Get Source BEEF 03 1900 5858 02 3702 0000 00000000 00...

Страница 116: ...00000 E1000000 00000000 00000000 00000000 Increment Brightness BEEF 03 1900 5858 03 E502 0000 00000000 00000000 00000000 00000000 00000000 Response 1E BEEF 03 1900 5858 03 E502 0000 00000000 00000000...

Страница 117: ...000 E1000000 00000000 00000000 00000000 Increment Contrast BEEF 03 1900 5858 03 E602 0000 00000000 00000000 00000000 00000000 00000000 Response 1E BEEF 03 1900 5858 03 E602 0000 00000000 00000000 0000...

Страница 118: ...3 1900 5858 01 CF02 0000 01000000 00000000 00000000 00000000 00000000 Caution The Set and Get parameters are different Get Shutter BEEF 03 1900 5858 02 CF02 0000 00000000 00000000 00000000 00000000 00...

Страница 119: ...ect 20 field test pattern BE EF 03 19 00 58 58 01 7D 02 00 00 00 00 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Select 80 field test pattern BE EF 03 19 00 58 58 01 7D 02 00 00 00 00 00 00 0...

Страница 120: ...Rev C March 2008 page 7 24 7 Appendix Digital Projection TITAN sx 500 User Manual...

Отзывы:

Нет отзывов

Бренды по названию

Популярные бренды

Загрузить еще бренды