3. FUNCTIONS
3.1 Optics
●
Zoom/Focus
These models have a 1.6
×
zoom lens and manual zooming and focusing.
●
Projection Distance vs. Image Size
The projection distance for these models is 1.0 to 7.7 meters. The specifications list
the distance in inches (40 to 300") instead of meters.
* H1 and H2 are the lengths that result from dividing the screen's height - top and bottom - with
the lens's optical axis as the boundary. For this product, 9:1 is the ratio that results from the
lens shift setting.
3.2 Video
●
Keystone Compensation
Keystone compensation digitally corrects the trapezoidal image shape caused by
projector positioning.
Vertical correction of up to ±40
°
C, horizontally and ±20
°
C vertically.
●
Image Mode Selection
This function allows matching the gamma (
γ
) curve for the type of input.
* [IMAGE] Button: Image Mode switching, [INPUT] Button: Input Mode Switching
• Standard
This is an average setting, suited for most inputs.
• High contrast (with computer input)
Improves intermediate gradation making images easier to view in brighter locations.
This setting improves the rendition of darker areas in well-lit environments.
• Cinema (with video input)
Improves darker areas making them easier to see.
Dark scenes are prevalent in motion pictures. This setting makes viewing easier.
Part 1: General Information
1-6
0.81
×
0.61 2.03
×
1.52 3.05
×
2.29 3.86
×
2.90 6.10
×
4.57
1.00
2.54
3.82
4.85
7.68
1.59
4.02
6.04
7.66
–
55
137
206
261
411
6
15
23
29
46
Size [m]
Zoom min
Zoom max
Projection
Distance [m
]
Screen
40"
100"
150"
190"
300"
H1 [cm]
H2 [cm]
Computer input
Standard
High contrast
Custom
Video input
Standard
Cinema
Custom
Summary of Contents for LV-7215U
Page 9: ...Part 1 General Information ...
Page 25: ...Part 2 Repair Information ...
Page 43: ...Part 3 Adjustment ...
Page 66: ...Part 4 Troubleshooting ...
Page 78: ...Part 4 Troubleshooting 4 12 AN5870 RGB SYNC SW IC1201 IC5201 BA7078 Sync Separator IC5341 ...
Page 80: ...Part 4 Troubleshooting 4 14 CXD3536 LCD Driver IC401 FA5502 P F Control IC621 ...
Page 81: ...Part 4 Troubleshooting 4 15 M62392 M62393 D A IC6271 IC281 ML60851 USB Driver IC9801 ...
Page 83: ...Part 4 Troubleshooting 4 17 TC90A69F Y C Separator IC2101 ...
Page 84: ...Part 5 Parts Catalog ...
Page 85: ......
Page 99: ...Part 6 Electrical Diagrams ...