Dukane 8768 User Manual Page 22
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- Table of contents
- TROUBLESHOOTING
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22
2. Installation and Connections
Lens Center
Throw Angle (움)
Throw Distance (C)
Screen center
Screen Diagonal
Screen Width
Screen Height
Screen Bottom
(B)
(D)
WARNING
* Installing your projector on the ceiling must be done
by a qualified technician. Contact your NEC dealer for
more information.
* Do not attempt to install the projector yourself.
• Only use your projector on a solid, level surface. If the
projector falls to the ground, you can be injured and
the projector severely damaged.
• Do not use the projector where temperatures vary
greatly. The projector must be used at temperatures
between 32°F (0°C) and 95°F (35°C).
• Do not expose the projector to moisture, dust, or
smoke. This will harm the screen image.
Throw Distance and Screen Size
The following shows the proper relative positions of the projector and screen. Refer to the table to determine the
position of installation.
Distance Chart
B =Vertical distance between lens center and
screen center
C = Throw distance
D =Vertical distance between lens center and
bottom of screen (top of screen for ceiling
application)
α = Throw angle
NOTE: Distances may vary +/-5%.
α
Wide – Tele
degree
12.1 - 9.9
12.0 - 9.9
11.8 - 9.7
11.7 - 9.6
11.6 - 9.6
11.6 - 9.6
11.6 - 9.6
11.6 - 9.6
11.6 - 9.6
11.5 - 9.6
11.5 - 9.5
11.5 - 9.5
11.5 - 9.5
11.4 - 9.5
11.4 - 9.5
11.4 - 9.5
11.4 - 9.5
11.4 - 9.5
11.4 - 9.5
inch
15.0
18.0
24.0
36.0
40.0
43.0
48.0
50.0
54.0
60.0
72.0
90.0
108.0
120.0
132.0
144.0
156.0
168.0
180.0
Screen Size B C
Wide – Tele
D
Diagonal Width Height
inch
28.0 - 34.0
34.0 - 41.0
46.0 - 56.0
70.0 - 85.0
78.0 - 95.0
84.0 - 102.0
94.0 - 114.0
98.0 - 120.0
106.0 - 128.0
118.0 - 143.0
141.0 - 172.0
177.0 - 215.0
213.0 - 258.0
237.0 - 287.0
261.0 - 316.0
285.0 - 345.0
309.0 - 374.0
333.0 - 403.0
356.0 - 431.0
inch
-2.0
-2.0
-2.0
-4.0
-4.0
-4.0
-5.0
-5.0
-5.0
-6.0
-7.0
-9.0
-11.0
-12.0
-13.0
-14.0
-16.0
-17.0
-18.0
inch
6.0
7.0
10.0
14.0
16.0
17.0
19.0
20.0
22.0
24.0
29.0
36.0
43.0
48.0
53.0
58.0
62.0
67.0
72.0
inch
25
30
40
60
67
72
80
84
90
100
120
150
180
200
220
240
260
280
300
inch
20.0
24.0
32.0
48.0
54.0
58.0
64.0
67.0
72.0
80.0
96.0
120.0
144.0
160.0
176.0
192.0
208.0
224.0
240.0
α
Wide – Tele
degree
12.1 - 9.9
12.0 - 9.9
11.8 - 9.7
11.7 - 9.6
11.6 - 9.6
11.6 - 9.6
11.6 - 9.6
11.6 - 9.6
11.6 - 9.6
11.5 - 9.6
11.5 - 9.5
11.5 - 9.5
11.5 - 9.5
11.4 - 9.5
11.4 - 9.5
11.4 - 9.5
11.4 - 9.5
11.4 - 9.5
11.4 - 9.5
mm
381
457
610
914
1021
1097
1219
1280
1372
1524
1829
2286
2743
3048
3353
3658
3962
4267
4572
Screen Size B C
Wide – Tele
D
Diagonal Width Height
mm
710 - 870
860 - 1050
1170 - 1420
1770 - 2160
1990 - 2410
2140 - 2600
2380 - 2890
2500 - 3040
2680 - 3260
2990 - 3620
3590 - 4360
4500 - 5460
5410 - 6560
6020 - 7290
6630 - 8030
7230 - 8760
7840 - 9490
8450 - 10230
9050 - 10960
mm
-38
-46
-61
-91
-102
-110
-122
-128
-137
-152
-183
-229
-274
-305
-335
-366
-396
-427
-457
mm
152
183
244
366
408
439
488
512
549
610
732
914
1097
1219
1341
1463
1585
1707
1829
mm
635
762
1016
1524
1702
1829
2032
2134
2286
2540
3048
3810
4572
5080
5588
6096
6604
7112
7620
mm
508
610
813
1219
1361
1463
1626
1707
1829
2032
2438
3048
3658
4064
4470
4877
5283
5690
6096
• Ensure that you have adequate ventilation around your
projector so heat can dissipate. Do not cover the vents
on the side of the projector.
Reflecting the Image
Using a mirror to reflect your projector's image enables
you to enjoy a much larger image. Contact your NEC
dealer if you need a mirror. If you're using a mirror and
your image is inverted, use the MENU and SELECT
buttons on your projector cabinet or your remote control
to correct the orientation. See page 86.
- Model 8768 1
- USER'S MANUAL 1
- Important Information 2
- RF Interference 3
- Important Safeguards 3
- Installation 3
- Fire and Shock Precautions 4
- Lamp Replacement 5
- Table of Contents 6
- Introduction 8
- What's in the Box? 9
- 1. Introduction 10
- Carrying the Projector 13
- Te r minal Panel Features 15
- Remote control 19
- 7m/22 feet 19
- Installation and Connections 20
- To the wall outlet 21
- Distance Chart 22
- Reflecting the Image 22
- Making Connections 23
- COMPUTER 2 24
- RGB signal cable (supplied) 25
- COMPONENT 26
- S-Video cable (not supplied) 27
- Video cable (not supplied) 27
- VCR/ Laser disc player 27
- Audio equipment 27
- Audio cable (not supplied) 27
- To wall outlet 28
- Projecting an Image 29
- Turning on the Projector 30
- Selecting a Source 32
- Adjustable Tilt 33
- Foot Button 33
- Adjustable Tilt Foot 33
- Screen frame 35
- Projected area 35
- Align left side 35
- [Poor picture] 37
- [Normal picture] 37
- Increase volume 37
- Decrease volume 37
- Turning off the Projector 38
- After Use 38
- Convenient Features 39
- Freezing a Picture 40
- Press the Pointer button to 41
- Use the Select button to move 41
- Display Help 42
- Exit Help 42
- 4. Convenient Features 43
- When using the USB Port 43
- Projected image 44
- The drawing shows the 44
- (ChalkBoard) 47
- USB memory (Capture) 48
- Disabling the Security 53
- Using the Viewer 55
- 5. Using the Viewer 56
- Features 56
- Easy to use 56
- High quality images 56
- PC card (not supplied) 57
- Eject button 57
- Projecting slides (Viewer) 58
- Viewer Window Elements 59
- Setting Option for Viewer 60
- Viewing Digital Images 61
- Deleting Captured Images 62
- Changing Background Logo 64
- (English version only) 65
- END USER LICENSE AGREEMENT 66
- Introduction 67
- Operating Environment 68
- Software Installation 69
- Troubleshooting 72
- Using On-Screen Menu 73
- Submenu window 74
- Menu tree 75
- Menu Elements 77
- [Preset] 79
- Security 90
- [Remote Sensor] 97
- Remaining Lamp Time Display 100
- 7. Using On-Screen Menu 100
- Returning to Factory Default 101
- Entry List 102
- Entry Edit Command 103
- Maintenance 104
- Cleaning the Filters 105
- Cleaning the Cabinet 105
- Cleaning the Lens 106
- Interlock 107
- 8. Maintenance 108
- Replacing the Filters 109
- Appendix 110
- Troubleshooting 111
- 9. Appendix 112
- Specifications 114
- Lens center 116
- 1112131415 117
- To GND of PC 119
- To RxD of PC 119
- To TxD of PC 119
- To R TS of PC 119
- To CTS of PC 119
- Using Software Keyboard 120
- DUKANE CORPORATION 121
- 401-8768-00 122
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