NEC Lt240 Portable Projector Users Manual
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Page 121
![Page 121
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TPC-CARD
8. After you install a new lamp, from the menu select [Projector Options] →
[Setup] → [Page 4] → [Clear Lamp Hour Meter] to reset the lamp usage
hours.
If the projector will not be turned on after using 1600 hours (up to 2100
hours : Eco mode) of service, press and hold the [Help] button on the
remote control for ten seconds or longer to reset the lamp time clock to
zero....](http://img.usermanuals.tech/thumb/54/92006/w300_nec-lt240-manual_d-120.png "Page 121
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8. After you install a new lamp, from the menu select [Projector Options] →
[Setup] → [Page 4] → [Clear Lamp Hour Meter] to reset the lamp usage
hours.
If the projector will not be turned on after using 1600 hours (up to 2100
hours : Eco mode) of service, press and hold the [Help] button on the
remote control for ten seconds or longer to reset the lamp time clock to
zero....")
E-121 SELECTCNACELTERNEEMNUS O U R C E A U T O A D J U S TO N S T A N D B YS T A T U S P O W E R L A M PA L IG N M E N TPC-CARD 8. After you install a new lamp, from the menu select [Projector Options] → [Setup] → [Page 4] → [Clear Lamp Hour Meter] to reset the lamp usage hours. If the projector will not be turned on after using 1600 hours (up to 2100 hours : Eco mode) of service, press and hold the [Help] button on the remote control for ten seconds or longer to reset the lamp time clock to zero....
Page 122
E-122 Lens Protector The lens barrel has threads on the outside for mounting a commercially available lens protector (φ 62mm for LT260/LT220 and φ 72mm for LT240) to protect the lens from dirt, dust, scratches and damage. Note that both a lens protector and the supplied lens cap cannot be used at the same time. CAUTION: Use only transparent lens protectors designed for lens protec- tion. Use of filters for light reduction and special effects, such as ND (Neu- tral Density) filters and color filters, can...
Page 123
E-123 TROUBLESHOOTING This section helps you resolve problems you may encounter while setting up or using the projector. Power Indicator Indicator Condition Projector Condition Note Off Blinking light Steady lightGreen blinking Green blinking Orange blinking0.5 sec ON, 0.5 sec OFF 2.5 sec ON, 0.5 sec OFF 0.5 sec ON, 0.5 sec OFFThe main power is off The projector is getting ready to turn on. The projector is in Sleep mode. The projector is cooling down. The projector is turned on. The projector is in...
Page 124
E-124 TROUBLESHOOTING Indicator Condition Projector Condition Note Off Blinking light Steady lightNormal Lamp has reached its end of life. Lamp replacement mes- sage will be displayed. Lamp has been used beyond its limit. The projector will not turn on until the lamp is re- placed. Lamp mode is set to Eco mode Red Red Green– Replace the lamp. Replace the lamp. – Lamp Indicator
Page 125
E-125 Does not turn on No picture Image isn’t square to the screen Picture is blurred Image is scrolling verti- cally, horizontally or both Remote control does not work Indicator is lit or blink- ing Cross color in RGB mode USB mouse does not work•Check that the power cable is plugged in and that the power button on the projector cabinet or the remote control is on. See pages E-36 and 37. •Ensure that the lamp cover is installed correctly. See page E-120. •Check to see if the projector has overheated or...
Page 126
E-126 When using the Viewer function TROUBLESHOOTING •Is “Viewer” selected from the Source menu? •Is the PC card seated in the PC Crad slot completely? •Are slide data stored in the PC card? •Have the contents of the PC card been destroyed? •While an image with over 1024768 dots (800600 on LT220) is projected, several lines of information will be lost. Use the supplied software change the image to 1024768 (800600 on LT220) dots in size. •Use a computer, etc., to repair the data. Problem Check These...
Page 127
E-127 SPECIFICATIONS This section provides technical information about the LT260/LT240/LT220 Projectors performance Model Number LT260/LT240/LT220 Optical DMD™ Single Chip Digital Micromirror Device(DMD™) Resolution 1024768 pixels (LT220: 800600 pixels) up to UXGA with Advanced AccuBlend Lens Manual zoom and focus: LT260/LT220: F2.2 - 2.5 f=28.4mm - 34.0mm LT240: F2.5 - 2.8 f=22.4mm - 27.0mm Lamp 220 W DC standard (The lamp is warranted for 1500 hours of operation time within 6 months.) Image...
Page 128
E-128 External Control RS232, IR, LAN (optional) Sync Compatibility Separate Sync / Composite Sync / Sync on G Built-in Speakers 2W1 (monaural) Power Requirement 100 - 120V AC / 200 - 240V AC, 50 / 60 Hz Input Current 3.0A (100 - 120V AC) / 1.5A (200 - 240V AC) Power Consumption 280W (0.6W at Standby) Mechanical Installation Orientation: Floor/Front, Floor/Rear, Ceiling/Front, Ceil- ing/Rear Dimensions 10.2 (W)3.6 (H)10.8 (D) 260mm (W)92mm (H)275mm (D) (not including protrusions) Net...
Page 129
E-129 APPENDIX Cabinet Dimensions Unit = mm (inch) 260 (10.24) 57 (2.24) 275 (10.83)300 (11.8) * 120 (4.7)107 (4.2)83 (3.27) 92 (3.6) * LT240: 319mm (12.56”)
Page 130
E-130 Mini D-Sub 15 Pin Connector Pin Assignments of D-Sub RGB Input Connector Pin No. RGB Signal (Analog) YCbCr Signal 1Red Cr 2Green or Sync on Green Y 3Blue Cb 4Ground 5Ground 6Red Ground Cr Ground 7Green Ground Y Ground 8Blue Ground Cb Ground 9No Connection 10 Sync Signal Ground 11 Ground 12 Bi-directional DATA (SDA)* 13 Horizontal Sync or Composite Sync 14 Vertical Sync 15 Data Clock* Signal Level Video signal : 0.7Vp-p (Analog) Sync signal : TTL level * RGB 1 Input only51423 10 11 12 13 14 156 978...