Epson EB-1785W User Manual

Solving Network Problems
165
microwave. Move the interfering device farther away or expand your
wireless bandwidth.
• Reduce the number of connected devices if the connection speed declines.
Solutions When You Cannot Read the NFC Tag
If you are unable to read the NFC tag on your mobile device, try the following
solutions (EB‑1795F/EB‑1785W/EB‑1781W):
• Make sure the Android device is not in sleep mode and that it is not locked.
• Activate the NFC reader on your mobile device.
• Adjust the position of the mobile device so that the NFC reader on the
device is over the center of the NFC tag on the projector.
Solutions When You Cannot Connect Using Screen
Mirroring
If you are unable to connect to the projector using Screen Mirroring, try the
following solutions (EB‑1795F/EB‑1785W):
• Check the projector's settings.
• Select On as the Screen Mirroring setting in the projector's Network
menu.
• Select Off as the Screen Mirroring setting in the projector's Network
menu, and select On again.
• Change the Operation Mode setting and connect again.
s Network > Screen Mirroring Settings > Operation Mode
• Make sure that the no other devices are connected to the projector with
No Interruptions settings.
s Network > Screen Mirroring Settings > Extended > Meeting Mode
• Change the Channel setting according to the wireless LAN environment.
s Network > Screen Mirroring Settings > Extended > Channel
• Check the mobile device's settings.
• Make sure the settings on the mobile device are correct.
• When connecting again immediately after disconnecting, it may take
some time until the connection is established. Reconnect after waiting for
a while.
• Restart the mobile device.
• Once you have connected using Screen Mirroring, the projector
connection information may be recorded on the mobile device. However,
you may not be able to reconnect to the projector from the recorded
information. Select the projector from the list of available devices.
gg Related Links
• "Projector Network Settings - Network Menu" p.125
• "Network Menu - Screen Mirroring Settings" p.126
Solutions When the Image or Sound Contains Static
During Screen Mirroring Connection
If the projected image or sound contains static when connecting using Screen
Mirroring, try the following solutions (EB‑1795F/EB‑1785W):
• Avoid covering the Wi-Fi antenna of the mobile device.
• If you use a Screen Mirroring connection and an internet connection at the
same time, the image may stop or contain noise. Disconnect the internet
connection to expand your wireless bandwidth and improve the connection
speed of the mobile device.
• Make sure the projection contents meet the Screen Mirroring requirements.
• Depending on the settings of the mobile device, the connection may be lost
when the device enters power saving mode. Check the electrical power
saving settings on the mobile device.
• Update to the latest version of the wireless driver or firmware on the mobile
device.
gg Related Links
• "Wireless Network Projection from a Mobile Device (Screen Mirroring)"
p.100

Epson EB-1785W Specifications

General

Matrix size	0.59 \
Number of colors	1.073 billion colors
Native aspect ratio	16:10
Vertical scan range	100 - 120 Hz
Projection technology	3LCD
Contrast ratio (typical)	10000:1
Screen size compatibility	30 - 300 \
Projection distance (tele)	0.8 - 8.2 m
Projection distance (wide)	0.7 - 6.8 m
Projector native resolution	WXGA (1280x800)
Keystone correction, vertical	-30 - 30 °
Keystone correction, horizontal	-20 - 20 °
Projector brightness (economic mode)	1900 ANSI lumens
Noise level	39 dB
Password protection	Yes
Noise level (economic mode)	30 dB
Throw ratio	1.04 - 1.26:1
Focal length range	13.52 - 16.22 mm
Aperture range (F-F)	1.58 - 1.7
RMS rated power	1 W
Number of built-in speakers	1
Placement	Desktop, Ceiling
Product type	Standard throw projector
Product color	Black, White
Cable lock slot type	Kensington
Lamp power	214 W
Lamps quantity	1 lamp(s)
Light source type	Lamp
Service life of light source	4000 h
Service life of light source (economic mode)	7000 h
Built-in display	-
Power source	AC
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.34 W
Power consumption (typical)	295 W
Power consumption (economy mode)	208 W
3D	No
Video processing	10 bit
Video color modes	Blackboard, Cinema, Dynamic, Presentation, sRGB
USB 2.0 ports quantity	2
Component video (YPbPr/YCbCr) in	0
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Standard interfaces	HDMI, NFC, USB, VGA, Wireless LAN
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	5 - 40 °C
Storage relative humidity (H-H)	10 - 90 %
Operating relative humidity (H-H)	20 - 80 %
Cables included	AC, VGA

Weight and Dimensions

Depth	213 mm
Width	292 mm
Height	44 mm
Weight	1800 g