Acer H7850 User Manual

29
English
Appendices
Troubleshooting
If you experience a problem with your Acer projector, refer to the following
troubleshooting guide. If the problem persists, please contact your local reseller
or service center.
Image Problems and Solutions
# Problem Solution
1 No image appears
onscreen
• Connected as described in the "Getting Started"
section.
• Ensure none of the connector pins are bent or
broken.
• Check if the projector lamp has been securely
installed. Please refer to the "Replacing the Lamp"
section.
• Make sure you have removed the lens cap and the
projector is switched on.
2 Partial, scrolling
or incorrectly
displayed image
(for PC
(Microsoft®
Windows® 2000,
XP, Vista®,
Windows 7,
Windows 8.1,
Windows 10,
Macintosh® OS
compliant,
ChromeOS
Compliant))
• For an incorrectly displayed image:
• Open "My Computer", open the "Control
Panel", and then double-click the "Display"
icon.
• Select the "Settings" tab.
• Verify that your display resolution setting is
lower than or equal to WUXGA-RB (1920 x
1200).
• Click the "Advanced Properties" button.
If the problem still appears, change the monitor display
you are using and follow the steps below:
• Verify that the resolution setting is lower than
or equal to WUXGA-RB (1920 x 1200).
• Click the "Change" button under the
"Monitor" tab.
• Click "Show all devices". Next, select "Standard
monitor types" under the SP box, and choose
the resolution mode you need under the
"Models" box.
• Verify that the resolution setting of the
monitor display is lower than or equal to
WUXGA-RB (1920 x 1200).

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