โปรเจคเตอร์ ยี่ห้อ NEC รุ่น CK4155W

• • Less Shadow and Glare
  • Low cost of ownership
  • Full Connectivity and Media Playback
  • Optional Multi-pen Interactivity
  • Innovative ECO functions
  • Various different inputs
  • Powerful 20W speaker
  • Advanced networking capabilities
  • Robust and maintenance free with sealed light engine

  Model * 5		CK4155W
  Projection method		0.59-inch LCD (16:10 aspect ratio)
  Resolution * 1		1280 × 800 pixels (WXGA)
  Lens		Digital zoom and manual focus, digital zoom ratio = 1.4, F = 1.8 f = 6.08 mm
  Throw ratio		80 “@ 0.79m
  Brightness * 2 * 3		3500 lumens
  Image size (diagonal)		50–100 inches
  Projection distance (minimum-maximum)		0.49m-1m
  Enter		2 RGB / combination (D-Sub 15-pin), 2 HDCP * 5 type A HDMI (19P, HDMI® terminal), 1 video (RCA), 1 (L / R) RCA audio, 1 Stereo mini audio
  Output		1 RGB (D-Sub 15 pin), 1 stereo mini audio
  Control serial port		1 control serial port slot (D-Sub 9 pin)
  Wired LAN port slot		1 RJ-45 port slot (10BASE-T / 100BASE-TX)
  Wireless LAN port slot (optional)		IEE 802.11 b / g / n (requires optional USB wireless LAN unit)
  USB port slot		1 A type, 1 B type (for IWB only)
  Color reproduction		10-bit signal processing (1.07 billion colors) (HDMI, USB-A, LAN: color, 16.7 million colors)
  Compatible signals * 4		Analog: VGA / SVGA / XGA / WXGA / Quad-VGA / SXGA / SXGA + / WXGA + / WXGA ++ / UXGA / WSXGA + / HD / Full HD / WUXGA / Mac13 “, 16”, 21 “, 23” Combination: 480i / 480p / 576i / 576p / 720p / 1080i / 1080p HDMI: VGA / SVGA / XGA / WXGA / Quad-VGA / SXGA / SXGA + / WXGA + / WXGA ++ / WSXGA + / 480p / 576p / 720p / 1080i / 1080p
  Horizontal resolution		540 TV line: NTSC / NTSC4.43 / PAL / PAL-M / PAL-N / PAL60 300 TV line: SECAM
  Scanning rate * 5	Level:	15 kHz to 100 kHz (RGB: 24 kHz or above)
  	vertical:	50 Hz to 120 Hz (HDMI: 50 Hz to 85 Hz)
  Sync compatible		Separation synchronization
  Power requirements		200-240 volts, 50/60 Hz AC
  Input Current		1.6 amps
  power	Standard mode	299 watts
  	Standby (power saving)	0.5 watt
  Installation orientation		Desktop / front projection, desktop / rear projection, ceiling / front projection, ceiling / rear projection
  size		335 mm (width) × 99 mm (height) × 329 mm (depth) (excluding protrusions)
  weight		3.8 kg
  Environmental design	Operating environment	Operating temperature: 5 ° C to 40 ° C, (35 ° C to 40 ° C automatically turn on energy-saving mode), 20% to 80% humidity (non-condensing)
  	Save the environment	Storage temperature: -10 ° C to 50 ° C, 20% to 80% humidity (non-condensing)
  Conform to the rules		CCC certification, in line with GB4943; GB9254; GB17625.1