Máy chiếu EPSON EB-L770U
- Công nghệ trình chiếu của máy chiếu: 3LCD.
- Cường độ chiếu sáng: 7000lm.
- Độ phân giải thực: WUXGA (4K Enhancement).
- Độ tương phản: 2,500,000 : 1.
- Tuổi thọ bóng đèn: 20,000/20,000/30,000hrs (Normal/Quiet/Extended).
- Kết nối: HDMIx3 (HDCP 2.3); HDBaseT x 1 (HDCP 2.3); USB Type A x 2; USB Type B x 1 (For Firmware Update, Copy OSD Settings); RS-232C (D-Sub 9pin x 1); Stereo Mini Jack x 1; LAN (RJ45 x 1 (100Mbps)).
- Wireless: Tùy chọn ELPAP11.
- Loa âm thanh: 10W.
Đặc tính kỹ thuật
| Projection Technology | RGB liquid crystal shutter projection system (3LCD) |
| Specifications of Main Parts | LCD: + Size: 0.67 inch (C2Fine) + Resolution: WUXGA (4K Enhancement) + Aspect Ratio: 16:10 Projection Lens: + Type: Optical Zoom (Manual)/Focus (Manual). + F-Number: 1.50 – 1.70. + Focal Length: 20.0 – 31.8mm + Zoom Ratio: 1.0 – 1.6 + Throw Ratio: 1.35 – 2.20 (Wide – Tele) |
| Light Source | Type: Laser Diode Life (Normal/Quiet/Extended): 20.000/20.000/30.000 hrs |
| Screen Size (Projected Distance) | Zoom: Wide: 50” to 500” (1.44 – 14.76 m) Zoom: Tele: 50” to 500” (2.35 – 23.84 m) |
| Brightness | White Light Output (Normal/Eco): 7000lm/4900lm Colour Light Output: 7000lm Light Output (Center): 7400lm |
| Contrast Ratio | Over 2,500,000 : 1 |
| Internal Speaker(s) | Sound Output: 10W Monaural |
| Keystone Correction | Projection Orientation: 360° Free Vertical/Horizontal: ±30°/±30° |
| Connectivity | Digital Input + HDMI: 2 (HDCP 2.3) + HDBaseT: 1 (HDCP 2.3) USB Input + USB Type A: 2 (Port 1: PC Free, Firmware Update, Wireless LAN, Document Camera, Copy OSD Settings, Content Playback, External Camera; Port 2: 5V/2A Power Supply only, No USB Function) + USB Type B: 1 (For Firmware Update, Copy OSD Settings) Control I/O: RS-232C: D-Sub 9pin x 1 Digital Video Output: HDMI: 1 (HDCP 2.3) Audio Output: Stereo Mini Jack: 1 Network: Wired LAN: RJ45 x 1 (100Mbps) Optional Wireless: ELPAP11 |
| Operating Temperature | Single Use: + Low Altitude: 0 – 2,286 m/7,500 ft: 0 °C – 45 °C [32 °F – 113 °F ] + High Altitude: Over 2,286 m/7,500 ft to 3,048 m/10,000 ft: 0°C – 40 °C [32 °F – 104 °F ] 20% to 80% Humidity, No Condensation Multi-Projection Use + Low Altitude: 0 – 2,286 m/7,500 ft: 0 °C – 40 °C [32 °F – 104 °F ] + High Altitude: Over 2,286 m/7,500 ft to 3,048 m/10,000 ft: 0°C – 35 °C [32 °F – 95 °F ] 20%-80% Humidity, No Condensation |
| Operating Altitude | Over 1,500 m/4,921 ft, with High Altitude Mode: 0 – 3,048 m (0 – 10,000 ft) |
| Direct Power On / Off | Yes |
| Start-Up Period | Less than 8 seconds (Epson Logo), Warm-up Period: 30 seconds |
| Quick Start-Up | Less than 7 seconds (Display) |
| Cool Down Period | Instant Off |
| Air Filter | Type: Electrostatic Filter Maintenance Cycle: 20,000 hours (Normal) / 30,000 hours (Extended) |
| Power Supply Voltage | 100 – 240 V AC ±10%, 50/60 Hz |
| Power Consumption (220 - 240V) | Laser Diode On (Normal / Extended): 366W / 268W Standby (Normal / Eco): 2.0W / 0.5W |
| Dimension Excluding Feet (D x W x H) | 304 x 440 x 122 mm |
| Weight | Approx. 8.5kg |
| Fan Noise (Normal / Eco) | 38dB / 27dB |
