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Model
XG-C68X
Pages
60
Size
1.09 MB
Type
PDF
Document
Handy Guide
Brand
Device
Projector / Version 1.1
File
xg-c68x.pdf
Date

Sharp XG-C68X Handy Guide ▷ View online

Options
Version 1.1
Issue 04/2006
17
SHARP ELECTRONICS (UK) LTD
PROJECTOR TECHNICAL SUPPORT
TECHNICAL SERVICES GROUP
UK Options
Sales Code
Description
AN-C12MZ
Wide Zoom Lens
AN-C27MZ
TBC
AN-C41MZ
TBC
AN-60KT
Ceiling Mount Bracket
AN-TK201
High Ceiling Installation
AN-TK202
Standard Ceiling Installation
AN-C12MZ
AN-60KT
AN-TK202
AN-TK201
Setting up the Screen
Position the projector perpendicular to the screen with all feet flat and level to achieve an
optimal image.
Note
• 
The projector lens should be centred in the middle of the screen. If the horizontal line
passing through the lens centre is not perpendicular to the screen, the image will be
distorted, making viewing difficult.
• 
For optimal image, position the screen so that it is not in direct sunlight or room light.
Light falling directly on the screen washes out the colours, making viewing difficult. Close
the curtains and dim the lights when setting up the screen in a sunny or bright room.
• 
A polarising screen cannot be used with this projector.
Options
Version 1.1
Issue 04/2006
18
SHARP ELECTRONICS (UK) LTD
PROJECTOR TECHNICAL SUPPORT
TECHNICAL SERVICES GROUP
Throw Distance
• 
The graph below is for 100 inches (254 cm) screen with 4:3 normal mode.
Standard Set-up (Front Projection)
• 
Place the projector at the required distance from the screen
according to the desired picture size.
Example of Standard Set-up
• 
The distance from the screen to the
projector may vary depending on the size of
the screen. 
• 
The default setting can be used, when
placing the projector in front of the screen. If
the projected image is reversed or inverted,
readjust the setting to “Front” in “PRJ
Mode”.
• 
Place the projector so that an imaginary
horizontal line that passes through the
centre of the lens is perpendicular to the
screen.
Options
Version 1.1
Issue 04/2006
19
SHARP ELECTRONICS (UK) LTD
PROJECTOR TECHNICAL SUPPORT
TECHNICAL SERVICES GROUP
Projecting a Reversed/Inverted Image
Projection from behind the screen
• 
Place a translucent screen between the projector and the audience.
• 
Reverse the image by setting “Rear” in “PRJ Mode”.
Projection using a mirror
• 
Place a mirror (normal flat type) in front of the lens.
Note
When using a mirror, be sure to carefully position both the projector and the mirror so the light does not
shine into the eyes of the audience.
Ceiling-mount set-up
• 
It is recommended that you use the optional Sharp ceiling-mount bracket for this
installation. Before mounting the projector, contact your nearest Sharp Authorised
Projector Dealer or Service Centre to obtain the recommended ceiling-mount bracket
(sold separately.) (ANXGCM55 ceiling-mount bracket, its AN-EP101B extension tube and
AN-JT200 universal bracket, adapter for non-level ceiling installation (for U.S.A.), BB-
M20T ceiling adapter, its BBNVHOLDER280, BB-NVHOLDER550, BB-NVHOLDER900
ceiling mount systems (for GERMANY), or AN-60KT ceiling mount bracket, its AN-TK201
and AN-TK202 extension tubes (for countries other than the U.S.A. and GERMANY))
• 
Be sure to adjust the position of the projector to match the distance (H) from the lens
centre position to the lower edge of the image, when mounting the projector on the
ceiling.
• 
Invert the image by setting “Ceiling + Front” in “PRJ Mode”. 
Options
Version 1.1
Issue 04/2006
20
SHARP ELECTRONICS (UK) LTD
PROJECTOR TECHNICAL SUPPORT
TECHNICAL SERVICES GROUP
Standard Lens
Throw ratio
1:1.77 to 2.25
NORMAL Mode (4:3)
Picture (Screen) size
Projection distance (L)
Diag. (X)
Width
Height
Maximum (L1)
Minimum (L2)
Distance from the
lens centre to the
bottom of the image
(H)
300" (762 cm)
240" (609.6cm)
180"(457.2 cm)
46' 4" (14.12 m)
36' (10.97 m)
17 11 / 16" (45.0 cm)
250" (635 cm)
200" (508 cm)
150" (381 cm)
38' 7" (11.76 m)
30' (9.13 m)
14 3 / 4" (37.5 cm)
200" (508 cm)
160" (406.4 cm)
120" (304.8 cm)
30'10" (9.39 m)
24' (7.29 m)
11 13 / 16" (30.0 cm)
150" (381 cm)
120" (304.8 cm)
90" (228.6 cm)
23' 1" (7.03 m)
17'11" (5.46 m)
8 7 / 8" (22.5 cm)
100" (254 cm)
80" (203.2 cm)
60" (152.4 cm)
15' 4" (4.67 m)
11'11" (3.62 m)
5 7 / 8" (15.0 cm)
84" (213.3 cm)
67" (170.1 cm)
50" (127 cm)
12'11" (3.92 m)
10' (3.03 m)
4 15 / 16" (12.6 cm)
72" (182.8 cm)
58" (147.3 cm)
43" (109.2 cm)
11' (3.35 m)
8' 6" (2.59 m)
4 1 / 4" (10.8 cm)
60" (152.4 cm)
48" (121.9 cm)
36" (91.4 cm)
9' 2" (2.78 m)
7' 1" (2.15 m)
3 9 / 16" (9.0 cm)
40" (101.6 cm)
32" (81.2 cm)
24" (60.9 cm)
6' 1" (1.84 m)
4' 8" (1.42 m)
2 3 / 8" (6.0 cm)
The formula for picture size and projection distance
L1 (ft) = (0.0472X – 0.0517) / 0.3048
L2 (ft) = (0.0367X – 0.0529) / 0.3048
H (in) = (0.1499X – 0.0064) / 2.54
X: Picture size (diag.) (in)
L: Projection distance (ft)
L1: Maximum projection distance (ft)
L2: Minimum projection distance (ft)
H: Distance from the lens centre to the bottom of the image (in)
STRETCH Mode (16:9)
Picture (Screen) size
Projection distance (L)
Diag. (X)
Width
Height
Maximum (L1)
Minimum (L2)
Distance from the
lens centre to the
bottom of the image
(H)
300" (762 cm)
261" (662.9 cm)
147" (373.4 cm)
50' 6" (15.37 m)
39' 3" (11.95 m)
–4 15/ 16"(–12.6 cm)
250" (635 cm)
218" (553.7 cm)
123" (312.4 cm)
42' (12.80 m)
32' 8" (9.95 m)
–4 1/ 8" (–10.5 cm)
225" (571.5 cm)
196" (497.8 cm)
110" (279.4 cm)
37'10" (11.51 m)
29' 5" (8.95 m)
–3 3 / 4" (–9.5 cm)
200" (508 cm)
174" (441.9 cm)
98" (248.9 cm)
33' 7" (10.23 m)
26' 1" (7.95 m)
–3 5 / 16"(–8.4 cm)
150" (381 cm)
131" (332.7 cm)
74" (188 cm)
25' 2" (7.66 m)
19' 7" (5.95 m)
–2 1 / 2" (–6.3 cm)
133" (337.8 cm)
116" (294.6 cm)
65" (165.1 cm)
22' 3" (6.78 m)
17' 4" (5.27 m)
–2 3 / 16"(–5.6 cm)
106" (269.2 cm)
92" (233.6 cm)
52" (132 cm)
17' 9" (5.40 m)
13' 9" (4.19 m)
–1 3 / 4" (–4.5 cm)
100" (254 cm)
87" (220.9 cm)
49" (124.4 cm)
16' 9" (5.09 m)
13' (3.95 m)
–1 5 / 8" (–4.2 cm)
92" (233.6 cm)
80" (203.2 cm)
45" (114.3 cm)
15' 5" (4.68 m)
11' 11" (3.63 m)
–1 9 / 16"(–3.9 cm)
84" (213.3 cm)
73" (185.4 cm)
41" (104.1 cm)
14' (4.27 m)
10' 11" (3.31 m)
–1 3 / 8" (–3.5 cm)
72" (182.8 cm)
63" (160 cm)
35" (88.9 cm)
12' (3.65 m)
9' 4" (2.83 m)
–1 3 / 16"(–3.0 cm)
60" (152.4 cm)
52" (132 cm)
29" (73.6 cm)
10' (3.03 m)
7' 9" (2.35 m)
–31 / 32"(–2.5 cm)
40" (101.6 cm)
35" (88.9 cm)
20" (50.8 cm)
6' 7" (2.00 m)
5' 2" (1.55 m)
–11 / 16"(–1.7 cm)
The formula for picture size and projection distance
L1 (ft) = (0.0514X – 0.0516) / 0.3048
L2 (ft) = (0.04X – 0.0523) / 0.3048
H (in) = (– 0.0422X + 0.0018) / 2.54
Note
• 
There is an error of ± 3% in the formula above.
• 
Values with a minus (–) sign indicate the distance of the lens centre below the bottom of the image.
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