Acer H7850 User Manual

13
English
How to optimize image size and distance
Consult the table below to find the optimal image sizes achievable when the
projector is positioned at a desired distance from the screen.
If the projector is 2.0 m from the screen, good image quality is possible for
image sizes between 41" and 65".
Note: Remind as below figure, the space of 81 cm height is
required when located at 2 m distance.
Desired
Distance
(m)
<A>
Screen size
Top
Screen size
Top
(Min zoom) (Max zoom)
Diagonal
(inch)
<B>
W (cm) x H
(cm)
From base to
top of image
(cm)
<C>
Diagonal
(inch)
<B>
W (cm) x H
(cm)
From base to top
of image (cm)
<C>
1.0 20.00 45 x 25 25 33 72 x 40 40
1.3 26 59 x 33 33 42 94 x 53 53
2.0 41 90 x 51 51 65 144 x 81 81
2.5 51 113 x 63 63 81 181 x 101 101
3.0 61 135 x 76 76 97 216 x 121 121
3.5 71 158 x 89 89 114 252 x 142 142
4.0 81 180 x 101 101 130 288 x 162 162
5.0 102 225 x 127 127 162 360 x 202 202
6.0 122 270 x 152 152 195 432 x 243 243
7.0 142 315 x 177 177 227 504 x 283 283
8.0 163 360 x 203 203 260 576 x 324 324
9.0 183 405 x 228 228 292 647 x 364 364
9.3 189 419 x 236 236 302 669 x 376 376
Zoom Ratio: 1.6x
65"
41"
1"
"
41"
41"
1
41"
A
C
B
Height: 81 cm
from base to top
of image
Height:
51 cm
2.0 m
Desired Distance
M
a
x
s
c
r
e
e
n
s
i
z
e
M
i
n
s
c
r
e
e
n
s
i
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e

Acer H7850 Specifications

General

Number of colors	1.073 billion colors
Native aspect ratio	16:9
Projection distance	1.3 - 9.3 m
Vertical scan range	24 - 120 Hz
Horizontal scan range	15 - 135 kHz
Projection technology	DLP
Supported aspect ratios	4:3, 16:9
Contrast ratio (dynamic)	1000000:1
Contrast ratio (typical)	-
Screen size compatibility	26 - 300 \
Projector native resolution	2160p (3840x2160)
Vertical synchronization (max)	0.12 kHz
Vertical synchronization (min)	0.024 kHz
Horizontal synchronization (max)	135 kHz
Horizontal synchronization (min)	15 kHz
Focus	Manual
Digital zoom	2 x
Optical zoom	1.6 x
Zoom capability	Yes
Focal length range	20.91 - 32.62 mm
Aperture range (F-F)	2.5 - 3.26
Lamp type	UHP
Lamp power	240 W
Lamps quantity	1 lamp(s)
Light source type	Lamp
Service life of light source	4000 h
Service life of light source (economic mode)	15000 h
HDMI connector type	Full-size
USB 2.0 ports quantity	1
Number of bulbs	1 bulb(s)
Noise level	29 dB
Projection modes	Ceiling, Front, Rear
Noise level (economic mode)	27 dB
RMS rated power	5 W
Power source	AC
AC input voltage	120 - 230 V
Power consumption (standby)	- W
Power consumption (typical)	315 W
Power consumption (economy mode)	260 W
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	0 - 80 %
Placement	Desktop, Ceiling
Product type	Standard throw projector
Product color	White
Market positioning	Home cinema
Built-in display	No
Supported video modes	2160p
Supported graphics resolutions	3840 x 2160

Weight and Dimensions

Weight	5300 g