Acer H7850 User Manual

14
English
How to get a preferred image size by adjusting
distance and zoom
The table below shows how to achieve a desired image size by adjusting either
the position or the zoom ring.
To obtain an image size of 60" set the projector at a distance 1.8 m and 2.9 m
from the screen.
Desired Image Size Distance (m) Top (cm)
Diagonal (inch)
<A>
W (cm) x H (cm)
Max zoom
<B>
Min zoom
<C>
From base to top of
image
<D>
20 44 x 25 1.0 25
26.45 59 x 33 0.8 1.3 33
60 133 x 75 1.8 2.9 75
70 155 x 87 2.2 3.4 87
80 177 x 100 2.5 3.9 100
90 199 x 112 2.8 4.4 112
100 221 x 125 3.1 4.9 125
120 266 x 149 3.7 5.9 149
150 332 x 187 4.6 7.4 187
200 443 x 249 6.2 9.8 249
250 553 x 311 7.7 12.3 311
300 664 x 374 9.2 14.7 374
303.2 671 x 378 9.3 378
Zoom Ratio: 1.6x
A
C
D
B
Desired Distance
2.9 m
1.8 m
Height: 75 cm
from base to top
of image
60"
Desired image
size

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