X300 - Projector OPTOMA - Free user manual and instructions
Find the device manual for free X300 OPTOMA in PDF.
| Product Type | DLP Projector |
| Brand | OPTOMA |
| Model | X300 |
| Native Resolution | XGA (1024 x 768) |
| Brightness | 3000 ANSI Lumens |
| Contrast Ratio | 10000:1 |
| Power Supply | 100-240 V AC, 50/60 Hz |
| Power Consumption | 225 W (standby < 0.5 W) |
| Dimensions (W x D x H) | 28.0 x 20.0 x 8.0 cm |
| Weight | 2.5 kg |
| Display Technology | 0.55" DLP |
| Lamp | 190 W UHP Lamp |
| Lamp Life | 5000 hours (normal mode) / 6000 hours (eco mode) |
| Keystone Correction | Vertical ±40° (manual) |
| Zoom | Manual, 1.1x |
| Built-in Speaker | Yes, 2 W |
| Video Inputs | 1x HDMI, 1x VGA, 1x S-Video, 1x Composite |
| Audio Inputs | 1x 3.5mm Jack |
| Control Ports | 1x RS-232, 1x USB (service) |
| Main Functions | Projection of images and videos, PC and Mac compatibility, multiple display modes |
| Maintenance and Cleaning | Clean air filter regularly, dust lenses with a soft cloth |
| Security | Kensington lock, user password |
| Spare Parts and Repairability | Replacement lamp, air filter available |
| Supplied Accessories | Power cable, VGA cable, remote control, battery, quick start guide |
Frequently Asked Questions - X300 OPTOMA
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USER MANUAL X300 OPTOMA
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Symbolic illustration of a computer monitor with a red X mark and eye, enclosed in an oval (no text or symbols)natural_image
Line drawing of a projector with ventilation slots and a small screen (no text or symbols)Projecteur

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Line drawing of a cord with two connectors and a power plug (no text or symbols)
natural_image
Pure electrical socket diagram with three numbered pins, no text or symbols present
Projector Return (Pass): P
Projector Return (Fail): F
XX=00-99, projector's ID,
XX=00 is for all projectors
SEND to projector
| 232 ASCII Code | HEX Code | Function | Description | |
| ~XX00 1 | 7E 30 30 30 30 20 31 0D | Power ON | ||
| ~XX00 0 | 7E 30 30 30 30 20 30 0D | Power OFF | (0/2 for backward compatible) | |
| ~XX00 1 ~nnnn | 7E 30 30 30 30 20 31 20 a 0D | Power ON with Password | ~nnnn = -0000 (a=7E 30 30 30 30)~9999 (a=7E 39 39 39 39) | |
| ~XX01 1 | 7E 30 30 30 31 20 31 0D | Resync | ||
| ~XX02 1 | 7E 30 30 30 32 20 31 0D | AV Mute | On | |
| ~XX02 0 | 7E 30 30 30 32 20 30 0D | Off (0/2 for backward compatible) | ||
| ~XX03 1 | 7E 30 30 30 33 20 31 0D | Mute | On | |
| ~XX03 0 | 7E 30 30 30 33 20 30 0D | Off (0/2 for backward compatible) | ||
| ~XX04 1 | 7E 30 30 30 34 20 31 0D | Freeze | ||
| ~XX04 0 | 7E 30 30 30 34 20 30 0D | Unfreeze | (0/2 for backward compatible) | |
| ~XX05 1 | 7E 30 30 30 35 20 31 0D | Zoom Plus | ||
| ~XX06 1 | 7E 30 30 30 36 20 31 0D | Zoom Minus | ||
| ~XX12 5 | 7E 30 30 31 32 20 35 0D | VGA | ||
| ~XX12 7 | 7E 30 30 31 32 20 37 0D | VGA SCART | ||
| ~XX12 8 | 7E 30 30 31 32 20 38 0D | VGA Component | ||
| ~XX12 10 | 7E 30 30 31 32 20 31 30 0D | Video | ||
| ~XX20 1 | 7E 30 30 32 30 20 31 0D | Display Mode | Presentation | |
| ~XX20 2 | 7E 30 30 32 30 20 32 0D | Bright | ||
| ~XX20 3 | 7E 30 30 32 30 20 33 0D | Movie | ||
| ~XX20 4 | 7E 30 30 32 30 20 34 0D | sRGB | ||
| ~XX20 5 | 7E 30 30 32 30 20 35 0D | User | ||
| ~XX20 7 | 7E 30 30 32 30 20 37 0D | Blackboard | ||
| ~XX20 8 | 7E 30 30 32 30 20 39 0D | 3D | ||
| ~XX21 n | 7E 30 30 32 31 20 a 0D | Brightness | n = 0 (a=30) ~ 100 (a=31 30 30) | |
| ~XX22 n | 7E 30 30 32 32 20 a 0D | Contrast | n = 0 (a=30) ~ 100 (a=31 30 30) | |
| ~XX23 n | 7E 30 30 32 33 20 a 0D | Sharpness | n = 0 (a=30) ~ 31 (a=33 31) | |
| ~XX24 n | 7E 30 30 32 34 20 a 0D | Color Settings | Red Gain | n = -50 (a=2D 35 30) ~ 50 (a=35 30) |
| ~XX25 n | 7E 30 30 32 35 20 a 0D | Green Gain | n = -50 (a=2D 35 30) ~ 50 (a=35 30) | |
| ~XX26 n | 7E 30 30 32 36 20 a 0D | Blue Gain | n = -50 (a=2D 35 30) ~ 50 (a=35 30) | |
| ~XX27 n | 7E 30 30 32 37 20 a 0D | Red Bias | n = -50 (a=2D 35 30) ~ 50 (a=35 30) | |
| ~XX28 n | 7E 30 30 32 38 20 a 0D | Green Bias | n = -50 (a=2D 35 30) ~ 50 (a=35 30) | |
| ~XX29 n | 7E 30 30 32 39 20 a 0D | Blue Bias | n = -50 (a=2D 35 30) ~ 50 (a=35 30) | |
| ~XX30 n | 7E 30 30 33 30 20 a 0D | Cyan | n = -50 (a=2D 35 30) ~ 50 (a=35 30) | |
| ~XX31 n | 7E 30 30 33 31 20 a 0D | Yellow | n = -50 (a=2D 35 30) ~ 50 (a=35 30) | |
| ~XX32 n | 7E 30 30 33 32 20 a 0D | Magenta | n = -50 (a=2D 35 30) ~ 50 (a=35 30) | |
| ~XX33 1 | 7E 30 30 33 33 20 31 0D | Reset | ||
| ~XX34 n | 7E 30 30 33 34 20 a 0D | BrilliantColorTM | n = 0 (a=30) ~ 10 (a=31 30) | |
| ~XX35 1 | 7E 30 30 33 35 20 31 0D | Degamma | Film | |
| ~XX35 2 | 7E 30 30 33 35 20 32 0D | Video | ||
| ~XX35 3 | 7E 30 30 33 35 20 33 0D | Graphics | ||
| ~XX35 4 | 7E 30 30 33 35 20 34 0D | Standard | ||
| ~XX36 1 | 7E 30 30 33 36 20 31 0D | Color Temp. | Warm | |
| ~XX36 2 | 7E 30 30 33 36 20 32 0D | Medium | ||
| ~XX36 3 | 7E 30 30 33 36 20 33 0D | Cold | ||
| ~XX37 1 | 7E 30 30 33 37 20 31 0D | Color Space | Auto | |
| ~XX37 2 | 7E 30 30 33 37 20 32 0D | RGB | ||
| ~XX37 3 | 7E 30 30 33 37 20 33 0D | YUV | ||
| ~XX45 n | 7E 30 30 34 34 20 a 0D | Color (Saturation) | n = 0 (a=30) ~ 100 (a=31 30 30) | |
| ~XX44 n | 7E 30 30 34 35 20 a 0D | Tint | n = 0 (a=30) ~ 100 (a=31 30 30) | |
| ~XX60 1 | 7E 30 30 36 30 20 31 0D | Format | 4:3 | |
| ~XX60 2 | 7E 30 30 36 30 20 32 0D | 16:9 | ||
| ~XX60 3 | 7E 30 30 36 30 20 33 0D | 16:10 (W2005) | ||
| ~XX60 5 | 7E 30 30 36 30 20 35 0D | LBX | ||
| ~XX60 6 | 7E 30 30 36 30 20 36 0D | Native | ||
| ~XX60 7 | 7E 30 30 36 30 20 37 0D | Auto | ||
| ~XX61 n | 7E 30 30 36 31 20 a 0D | Edge mask | n = 0 (a=30) ~ 10 (a=31 30) | |
| ~XX62 n | 7E 30 30 36 32 20 a 0D | Zoom | n = -5 (a=2D 35) ~ 25 (a=32 35) | |
| ~XX63 n | 7E 30 30 36 33 20 a 0D | H Image Shift | n = -100 (a=2D 31 30 30) ~ 100 (a=31 30 30) | |
| ~XX64 n | 7E 30 30 36 34 20 a 0D | V Image Shift | n = -100 (a=2D 31 30 30) ~ 100 (a=31 30 30) | |
| ~XX66 n | 7E 30 30 36 36 20 a 0D | V Keystone | n = -40 (a=2D 34 30) ~ 40 (a=34 30) | |
| ~XX230 3 | 7E 30 30 32 33 30 20 31 0D | 3D Mode | Off | |
| ~XX230 1 | 7E 30 30 32 33 30 20 31 0D | DLP-Link | ||
| ~XX405 0 | 7E 30 30 34 30 35 20 30 0D | 3D format | Off | |
| ~XX405 1 | 7E 30 30 34 30 35 20 31 0D | SBS | ||
| ~XX405 2 | 7E 30 30 34 30 35 20 32 0D | Top and Bottom | ||
| ~XX405 3 | 7E 30 30 34 30 35 20 33 0D | Frame Sequential | ||
| ~XX231 1 | 7E 30 30 32 33 31 20 31 0D | 3D Sync Invert | On | |
| ~XX231 0 | 7E 30 30 32 33 31 20 30 0D | Off (0/2 for backward compatible) | ||
| ~XX70 1 | 7E 30 30 37 30 20 31 0D | Language | English | |
| ~XX70 2 | 7E 30 30 37 30 20 32 0D | German | ||
| ~XX70 3 | 7E 30 30 37 30 20 33 0D | French | ||
| ~XX70 4 | 7E 30 30 37 30 20 34 0D | Italian | ||
| ~XX70 5 | 7E 30 30 37 30 20 35 0D | Spanish | ||
| ~XX70 6 | 7E 30 30 37 30 20 36 0D | Portuguese | ||
| ~XX70 7 | 7E 30 30 37 30 20 37 0D | Polish | ||
| ~XX70 8 | 7E 30 30 37 30 20 38 0D | Dutch | ||
| ~XX70 9 | 7E 30 30 37 30 20 39 0D | Swedish | ||
| ~XX70 10 | 7E 30 30 37 30 20 31 30 0D | Norwegian/Danish | ||
| ~XX70 11 | 7E 30 30 37 30 20 31 31 0D | Finnish | ||
| ~XX70 12 | 7E 30 30 37 30 20 31 32 0D | Greek | ||
| ~XX70 13 | 7E 30 30 37 30 20 31 33 0D | Traditional Chinese | ||
| ~XX70 14 | 7E 30 30 37 30 20 31 34 0D | Simplified Chinese | ||
| ~XX70 15 | 7E 30 30 37 30 20 31 35 0D | Japanese | ||
| ~XX70 16 | 7E 30 30 37 30 20 31 36 0D | Korean | ||
| ~XX70 17 | 7E 30 30 37 30 20 31 37 0D | Russian | ||
| ~XX70 18 | 7E 30 30 37 30 20 31 38 0D | Hungarian | ||
| ~XX70 19 | 7E 30 30 37 30 20 31 39 0D | Czechoslovak | ||
| ~XX70 20 | 7E 30 30 37 30 20 32 30 0D | Arabic | ||
| ~XX70 21 | 7E 30 30 37 30 20 32 31 0D | Thai | ||
| ~XX70 22 | 7E 30 30 37 30 20 32 32 0D | Turkish | ||
| ~XX70 23 | 7E 30 30 37 30 20 32 33 0D | Farsi | ||
| ~XX70 25 | 7E 30 30 37 30 20 32 33 0D | Vietnamese | ||
| ~XX70 26 | 7E 30 30 37 30 20 32 33 0D | Indonesian | ||
| ~XX70 27 | 7E 30 30 37 30 20 32 33 0D | Romanian | ||
| ~XX71 1 | 7E 30 30 37 31 20 31 0D | Projection | Front-Desktop | |
| ~XX71 2 | 7E 30 30 37 31 20 32 0D | Rear-Desktop | ||
| ~XX71 3 | 7E 30 30 37 31 20 33 0D | Front-Ceiling | ||
| ~XX71 4 | 7E 30 30 37 31 20 34 0D | Rear-Ceiling | ||
| ~XX72 1 | 7E 30 30 37 32 20 31 0D | Menu Location | Top Left | |
| ~XX72 2 | 7E 30 30 37 32 20 32 0D | Top Right | ||
| ~XX72 3 | 7E 30 30 37 32 20 33 0D | Centre | ||
| ~XX72 4 | 7E 30 30 37 32 20 34 0D | Bottom Left | ||
| ~XX72 5 | 7E 30 30 37 32 20 35 0D | Bottom Right | ||
| (W2005 only) | ||||
| ~XX90 1 | 7E 30 30 39 31 20 31 0D | Screen Type | 16:10 | |
| ~XX90 0 | 7E 30 30 39 31 20 30 0D | 16:9 | ||
| ~XX73 n | 7E 30 30 37 33 20 a 0D | Signal | Frequency | n = -5 (a=2D 35) ~ 5 (a=35) By signal |
| ~XX91 n | 7E 30 30 39 31 20 a 0D | Automatic | n = 0 disable; n = 1 enable | |
| ~XX74 n | 7E 30 30 37 34 20 a 0D | Phase | n = 0 (a=30) ~ 31 (a=33 31) By signal | |
| ~XX75 n | 7E 30 30 37 35 20 a 0D | H. Position | n = -5 (a=2D 35) ~ 5 (a=35) By timing | |
| ~XX76 n | 7E 30 30 37 36 20 a 0D | V. Position | n = -5 (a=2D 35) ~ 5 (a=35) By timing | |
| ~XX77 n | 7E 30 30 37 37 20 aabbcc 0D | Security | Security Timer | Month/Day/Hour n = mm/dd/hh mm = 00 (aa=30 30) ~ 12 (aa=31 32) dd = 00 (bb=30 30) ~ 30 (bb=33 30) hh = 00 (cc=30 30) ~ 24 (cc=32 34) |
| ~XX78 1 | 7E 30 30 37 38 20 31 0D | Security Settings | Enable | |
| ~XX78 0 | 7E 30 30 37 38 20 32 0D | Disable(0/2 for backward compatible) | ||
| ~XX79 n | 7E 30 30 37 39 20 a 0D | Projector ID | n = 00 (a=30 30) ~ 99 (a=39 39) | |
| ~XX80 1 | 7E 30 30 38 30 20 31 0D | Mute | On | |
| ~XX80 0 | 7E 30 30 38 30 20 30 0D | Off (0/2 for backward compatible) | ||
| ~XX81 n | 7E 30 30 38 31 20 a 0D | Volume | n = 0 (a=30) ~ 10 (a=31 30) | |
| ~XX82 1 | 7E 30 30 38 32 20 31 0D | Logo | Default | |
| ~XX82 3 | 7E 30 30 38 32 20 32 0D | Neutral | ||
| ~XX88 0 | 7E 30 30 38 38 20 30 0D | Closed Captioning | Off | |
| ~XX88 1 | 7E 30 30 38 38 20 31 0D | cc1 | ||
| ~XX88 2 | 7E 30 30 38 38 20 32 0D | cc2 | ||
| ~XX100 1 | 7E 30 30 31 30 30 20 31 0D | Source Lock | On | |
| ~XX100 0 | 7E 30 30 31 30 30 20 30 0D | Off (0/2 for backward compatible) | ||
| ~XX101 1 | 7E 30 30 31 30 31 20 31 0D | High Altitude | On | |
| ~XX101 0 | 7E 30 30 31 30 31 20 30 0D | Off (0/2 for backward compatible) | ||
| ~XX102 1 | 7E 30 30 31 30 32 20 31 0D | Information Hide | On | |
| ~XX102 0 | 7E 30 30 31 30 32 20 30 0D | Off (0/2 for backward compatible) | ||
| ~XX195 0 | 7E 30 30 31 39 35 20 30 0D | Test Pattern | None | |
| ~XX195 1 | 7E 30 30 31 39 35 20 31 0D | Grid | ||
| ~XX195 2 | 7E 30 30 31 39 35 20 32 0D | White Pattern | ||
| ~XX104 1 | 7E 30 30 31 30 34 20 31 0D | Background Color | Blue | |
| ~XX104 2 | 7E 30 30 31 30 34 20 32 0D | Black | ||
| ~XX104 3 | 7E 30 30 31 30 34 20 33 0D | Red | ||
| ~XX104 4 | 7E 30 30 31 30 34 20 34 0D | Green | ||
| ~XX104 5 | 7E 30 30 31 30 34 20 35 0D | White | ||
| ~XX105 1 | 7E 30 30 31 30 35 20 31 0D | Advanced | Direct Power On | On |
| ~XX105 0 | 7E 30 30 31 30 35 20 30 0D | Off (0/2 for backward compatible) | ||
| ~XX106 n | 7E 30 30 31 30 36 20 a 0D | Auto Power Off (min) | n = 0 (a=30) ~ 180 (a=31 38 30) step:5 | |
| ~XX107 n | 7E 30 30 31 30 37 20 a 0D | Sleep Timer (min) | n = 0 (a=30) ~ 995 (a=39 39 39) step:5 | |
| ~XX114 1 | 7E 30 30 31 31 34 20 31 0D | Power Mode(Standby) | Eco.(<=0.5W) | |
| ~XX114 0 | 7E 30 30 31 31 34 20 30 0D | Active (0/2 for backward compatible) | ||
| ~XX109 1 | 7E 30 30 31 30 39 20 31 0D | Lamp Reminder | On | |
| ~XX109 0 | 7E 30 30 31 30 39 20 30 0D | Off (0/2 for backward compatible) | ||
| ~XX110 1 | 7E 30 30 31 31 30 20 31 0D | Brightness Mode | Bright | |
| ~XX110 0 | 7E 30 30 31 31 30 20 30 0D | Eco (0/2 for backward compatible) | ||
| ~XX111 1 | 7E 30 30 31 31 31 20 31 0D | Lamp Reset | Yes | |
| ~XX111 0 | 7E 30 30 31 31 31 20 30 0D | No (0/2 for backward compatible) | ||
| ~XX112 1 | 7E 30 30 31 31 32 20 31 0D | Reset | Yes | |
| ~XX99 1 | 7E 30 30 39 39 20 31 0D | RS232 Alert Reset | Reset System Alert | |
| ~XX210 n | 7E 30 30 32 30 30 20 n 0D | Display message on the OSD | n: 1-30 characters | |
SEND to emulate Remote
| ~XX140 10 | 7E 30 30 31 34 30 20 31 30 0D | Up |
| ~XX140 11 | 7E 30 30 31 34 30 20 31 31 0D | Left |
| ~XX140 12 | 7E 30 30 31 34 30 20 31 32 0D | Enter (for projection MENU) |
| ~XX140 13 | 7E 30 30 31 34 30 20 31 33 0D | Right |
| ~XX140 14 | 7E 30 30 31 34 30 20 31 34 0D | Down |
| ~XX140 15 | 7E 30 30 31 34 30 20 31 35 0D | Keystone + |
| ~XX140 16 | 7E 30 30 31 34 30 20 31 36 0D | Keystone – |
| ~XX140 17 | 7E 30 30 31 34 30 20 31 37 0D | Volume – |
| ~XX140 18 | 7E 30 30 31 34 30 20 31 38 0D | Volume + |
| ~XX140 19 | 7E 30 30 31 34 30 20 31 39 0D | Brightness |
| ~XX140 20 | 7E 30 30 31 34 30 20 32 30 0D | Menu |
| ~XX140 21 | 7E 30 30 31 34 30 20 32 31 0D | Zoom |
SEND from projector automatically
| 232 ASCII Code | HEX Code | Function | Projector Return | Description |
| System status | INFOn | n : 0/1/2/3/4/6/7/8/9 = Standby/Warming/Cooling/Out of Range/Lamp fail/Fan Lock/Over Temperature/Lamp Hours Running Out |
READ from projector
| 232 ASCII Code | HEX Code | Function | Projector Return | Description |
| ~XX121 1 | 7E 30 30 31 32 31 20 31 0D | Input Source Commands | OKn | n : n: 0/1/2/3/4 = None/VGA/S-Video/Video/HDMI (W2005) |
| ~XX122 1 | 7E 30 30 31 32 32 20 31 0D | Software Version | OKddd | dddd: FW version |
| ~XX123 1 | 7E 30 30 31 32 33 20 31 0D | Display Mode | OKn | n: 0/1/2/3/4/5/7= None/Presentation/Bright/Movie/sRGB/User/Blackboard/3D |
| ~XX124 1 | 7E 30 30 31 32 34 20 31 0D | Power State | OKn | n: 0/1 = Off/On |
| ~XX125 1 | 7E 30 30 31 32 35 20 31 0D | Brightness | OKn | |
| ~XX126 1 | 7E 30 30 31 32 36 20 31 0D | Contrast | OKn | |
| ~XX127 1 | 7E 30 30 31 32 37 20 31 0D | Aspect Ratio | OKn | n: 0/1/2/3/4 = 4:3/16:9/Native/AUTO (S2005/X2005)n: 0/1/2/3/4 = 4:3/16:9 or 16:10/LBX/Native/AUTO (W2005) |
| ~XX128 1 | 7E 30 30 31 32 38 20 31 0D | Color Temperature | OKn | n: 0/1/2 = Warm/Medium/Cold |
| ~XX129 1 | 7E 30 30 31 32 39 20 31 0D | Projection Mode | OKn | n: 0/1/2/3 = Front-Desktop/Rear-Desktop/Front-Ceiling/Rear-Ceiling |
| ~XX150 1 | 7E 30 30 31 35 30 20 31 0D | Information | OKabbbccdddde | a: 0/1 = Off/Onbbb: LampHourcc: source n: 0/1/2/3/4 = None/VGA/S-Video/Video/HDMI (W2005)ddd: FW versione: Display mode 0/1/2/3/4/5/6/7None/Presentation/Bright/Movie/sRGB/User/Blackboard/3D |
| ~XX151 1 | 7E 30 30 31 35 31 20 31 0D | Model name | OKn | n:1/2/3 =S2005/X2005/W2005 |
| ~XX108 1 | 7E 30 30 31 30 38 20 31 0D | Lamp Hours | OKbbbb | bbbb: LampHour |
| ~XX108 2 | 7E 30 30 31 30 38 20 31 0D | Cumulative Lamp Hours | OKbbbb | bbbb: (5 digits) Total Lamp Hours |
2420 Meadowpine Blvd., Suite #105
Mississauga, ON, L5N 6S2, Canada
www.optoma.ca
888-289-6786
510-897-8601
services@optoma.com
Amérique Latine
3178 Laurelview Ct.
Fremont, CA 94538, USA
www.optomausa.com
888-289-6786
510-897-8601
services@optoma.com
Europe
42 Caxton Way, The Watford Business Park
Watford, Hertfordshire,
WD18 8QZ, UK
www.optoma.eu
service@tsc-europe.com
Benelux BV
Randstad 22-123
1316 BW Almere
The Netherlands
www.optoma.nl
+31 (0) 36 820 0253
+31 (0) 36 548 9052
France
Bâtiment E
81-83 avenue Edouard Vaillant
92100 Boulogne Billancourt, France
+33 1 41 46 12 20
+33 1 41 46 94 35
savoptoma@optoma.fr
Espagne
C/ José Hierro,36 Of. 1C
28522 Rivas VaciaMadrid,
Espagne
+34 91 499 06 06
+34 91 670 08 32
Allemagne
Wiesenstrasse 21 W D40549 Düsseldorf, Allemagne
+49 (0) 211 506 6670 +49 (0) 211 506 66799 info@optoma.de
Scandinavie
Lerpeveien 25 3040 Drammen Norvège
+47 32 98 89 90 +47 32 98 89 99 info@optoma.no
info@os-worldwide.com www.os-worldwide.com
Taiwan
12F., No.215, Sec. 3, Beixin Rd., Xindian Dist., New Taipei City 231, Taiwan, R.O.C. www.optoma.com.tw
+886-2-8911-8600 +886-2-8911-6590 services@optoma.com.tw asia.optoma.com
Hong Kong
Unit A, 27/F Dragon Centre, 79 Wing Hong Street, Cheung Sha Wan, Kowloon, Hong Kong
+852-2396-8968 +852-2370-1222 www.optoma.com.hk
Chine
5F, No. 1205, Kaixuan Rd., Changning District Shanghai, 200052, Chine
+86-21-62947376 +86-21-62947375 www.optoma.com.cn