Table of Contents
Acer B250i User Manual
Displayed below is the user manual for B250i by Acer which is a product in the Data Projectors category. This manual has pages.
Related Manuals
Acer DLP Projector
B250i/L350R/LK-F20i/
A1P1901
Series User's Guide
Copyright © 2020. Acer Incorporated.
All Rights Reserved.
Acer Projector User's Guide
Original Issue: 02/2020
Acer Projector
Acer and the Acer logo are registered trademarks of Acer Incorporated. Other companies'
product names or trademarks are used herein for identification purposes only and belong to
their respective companies.
"HDMITM, the HDMI logo and High-Definition Multimedia Interface are trademarks or
registered trademarks of HDMI Licensing LLC."
Changes may be made periodically to the information in this publication without obligation
to notify any person of such revisions or changes. Such changes will be incorporated in new
editions of this manual or supplementary documents and publications. This company makes
no representations or warranties, either expressed or implied, with respect to the contents
hereof and specifically disclaims the implied warranties of merchantability or fitness for a
particular purpose.
Record the model number, serial number, purchase date and place of purchase information in
the space provided below. The serial number and model number are recorded on the label
affixed to your projector. All correspondence concerning your unit should include the serial
number, model number and purchase information.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in
any form or by any means, electronically, mechanically, by photocopy, recording or otherwise,
without the prior written permission of Acer Incorporated.
Model number: __________________________________
Serial number: ___________________________________
Date of purchase: ________________________________
Place of purchase: ________________________________
iii
Information for Your Safety and
Comfort
Read these instructions carefully. Keep this document for future reference.
Follow all warnings and instructions marked on the product.
Turning the product off before cleaning
Unplug this product from the wall outlet before cleaning. Do not use liquid
cleaners or aerosol cleaners. Use a damp cloth for cleaning.
Caution for plug as disconnecting device
Observe the following guidelines when connecting and disconnecting power to
the external power supply unit:
•Install the power supply unit before connecting the power cord to the AC
power outlet.
•Unplug the power cord before removing the power supply unit from the
projector.
•If the system has multiple sources of power, disconnect power from the
system by unplugging all power cords from the power supplies.
Caution for Accessibility
Be sure that the power outlet you plug the power cord into is easily accessible
and located as close to the equipment operator as possible. When you need to
disconnect power to the equipment, be sure to unplug the power cord from the
electrical outlet.
Warnings!
•Do not use this product near water.
•Do not place this product on an unstable cart, stand or table. If the product
falls, it could be seriously damaged.
•Slots and openings are provided for ventilation to ensure reliable
operation of the product and to protect it from overheating. These
openings must not be blocked or covered. The openings should never be
blocked by placing the product on a bed, sofa, rug or other similar surface.
This product should never be placed near or over a radiator or heat register, or
in a built-in installation unless proper ventilation is provided.
•Never push objects of any kind into this product through cabinet slots as
they may touch dangerous voltage points or short-out parts that could
result in a fire or electric shock. Never spill liquid of any kind onto or into
the product.
iv
•To avoid damage of internal components and to prevent battery leakage,
do not place the product on a vibrating surface.
•Never use it under sporting, exercising, or any vibrating environment
which will probably cause unexpected short current or damage rotor
devices.
Using electrical power
•This product should be operated from the type of power indicated on the
marking label. If you are not sure of the type of power available, consult
your dealer or local power company.
•Do not allow anything to rest on the power cord. Do not locate this
product where people will walk on the cord.
•If an extension cord is used with this product, make sure that the total
ampere rating of the equipment plugged into the extension cord does not
exceed the extension cord ampere rating. Also, make sure that the total
rating of all products plugged into the wall outlet does not exceed the fuse
rating.
•Do not overload a power outlet, strip or receptacle by plugging in too
many devices. The overall system load must not exceed 80% of the branch
circuit rating. If power strips are used, the load should not exceed 80% of
the power strip's input rating.
•This product's AC adapter is equipped with a three-wire grounded plug.
The plug only fits in a grounded power outlet. Make sure the power outlet
is properly grounded before inserting the AC adapter plug. Do not insert
the plug into a non-grounded power outlet. Contact your electrician for
details.
Warning! The grounding pin is a safety feature. Using a power outlet that is
not properly grounded may result in electric shock and/or injury.
Note: The grounding pin also provides good protection from unexpected
noise produced by other nearby electrical devices that may interfere with
the performance of this product.
•Use the product only with the supplied power supply cord set. If you need
to replace the power cord set, make sure that the new power cord meets
the following requirements: detachable type, UL listed/CSA certified, VDE
approved or its equivalent, 4.5 meters (14.76 feet) maximum length.
v
Product servicing
Do not attempt to service this product yourself, as opening or removing covers
may expose you to dangerous voltage points or other risks. Refer all servicing to
qualified service personnel.
Unplug this product from the wall outlet and refer servicing to qualified service
personnel when:
•the power cord or plug is damaged, cut or frayed
•liquid was spilled into the product
•the product was exposed to rain or water
•the product has been dropped or the case has been damaged
•the product exhibits a distinct change in performance, indicating a need
for service
•the product does not operate normally after following the operating
instructions
Note: Adjust only those controls that are covered by the operating
instructions, since improper adjustment of other controls may result in
damage and will often require extensive work by a qualified technician to
restore the product to normal condition.
Warning! For safety reasons, do not use non-compliant parts when adding
or changing components. Consult your reseller for purchase options.
Your device and its enhancements may contain small parts. Keep them out of
the reach of small children.
Additional safety information
•Do not look into the projector's lens when the light is on. The bright light
may hurt your eyes.
•Turn on the projector first and then signal sources.
•Do not place the product in the following environments:
• Space that is poorly ventilated or confined. At least 50cm clearance from walls
and free flow of air around the projector are necessary.
• Locations where temperatures may become excessively high, such as inside of a
car with all windows rolled up.
• Locations where excessive humidity, dust, or cigarette smoke may contaminate
optical components, shorten the life span and darken the image.
• Locations near fire alarms.
• Locations with an ambient temperature above 40 ºC/104 ºF.
RG2 IEC/EN 62471-5:2015
vi
• Locations where the altitudes are higher than 10000 feet.
•Unplug immediately if there is something wrong with your projector. Do
not operate if smoke, strange noise or odor comes out of your projector. It
might cause fire or electric shock. In this case, unplug immediately and
contact your dealer.
•Do not keep using this product to break or drop it. In this case contact your
dealer for inspection.
•Do not face the projector lens to the sun. It can lead to fire.
•When switching the projector off, please ensure the projector completes
its cooling cycle before disconnecting power.
•Do not frequently turn off the main power abruptly or unplug the
projector during operation. The best way is to wait for the fan to stop
before turning main power off.
•Do not touch the air outlet grille and bottom plate which become hot.
•Clean the air filter frequently. The temperature inside may rise and cause
damage when the filter/ventilation slots are clogged with dirt or dust.
•Do not look into the air outlet grille when projector is operating. It may
hurt your eyes.
•Always open the lens shutter or remove the lens cap when the projector is
on.
•Do not block the projector lens with any object when the projector is
under operation as this could cause the object to become heated and
deformed or even cause a fire.
•Do not attempt to disassemble this projector. There are dangerous high
voltages inside which may hurt you.
•Do not stand the projector on end vertically. It may cause the projector to
fall over, causing injury or damage.
•The projector should be placed in a horizontal way by means of desktop
mode only, and its tilt angles should not exceed 6 degrees, otherwise it
would cause dramatical decrease of lamp life or severe safety concern of
system malfunction.
Caution for Listening
To protect your hearing, follow these instructions.
•Increase the volume gradually until you can hear clearly and comfortably.
•Do not increase the volume level after your ears have adjusted.
•Do not listen to music at high volumes for extended periods.
•Do not increase the volume to block out noisy surroundings.
•Decrease the volume if you can't hear people speaking near you.
6°
vii
Disposal instructions
Do not throw this electronic device into the trash when discarding. To minimize
pollution and ensure utmost protection of the global environment, please
recycle. For more information on the Waste from Electrical and Electronics
Equipment (WEEE) regulations, visit http://www.acer-group.com/public/
Sustainability/index.htm
viii
First Thing First
Usage Notes
Do:
•Turn off the product before cleaning.
•Use a soft cloth moistened with mild detergent to clean the display
housing.
•Disconnect the power plug from AC outlet if the product is not being used
for a long period of time.
Don't:
•Block the slots and openings on the projector provided for ventilation.
•Use abrasive cleaners, waxes or solvents to clean the unit.
•Use under the following conditions:
•In extremely hot, cold or humid environments.
•In areas susceptible to excessive dust and dirt.
•Near any appliance that generates a strong magnetic field.
•Place in direct sunlight.
Precautions
Follow all warnings, precautions and maintenance as recommended in this
user's guide to maximize the life of your unit.
Warning:
•Do not look into the projector's lens when the light is on. The bright light may hurt
your eyes.
•To reduce the risk of fire or electric shock, do not expose this product to rain or
moisture.
•Please do not open or disassemble the product as this may cause electric shock.
•When switching the projector off, please ensure the projector completes its cooling
cycle before disconnecting power.
•Turn on the projector first and then the signal sources.
•Do not use lens cap when projector is in operation.
Information for Your Safety and Comfort iii
First Thing First viii
Usage Notes viii
Precautions viii
Introduction 1
Product Features 1
Package Overview 2
Projector Overview 3
Projector Outlook 3
Control Panel 4
Remote Control Layout 5
Getting Started 6
Connecting the Projector 6
Turning the Projector On/Off 7
Turning On the Projector 7
Turning Off the Projector 8
Adjusting the Projected Image 9
Adjusting the Height of the Projected Image 9
How to Get a Preferred Image Size by Adjusting
Distance and Zoom 10
User Controls 11
Home screen 11
Onscreen Display (OSD) Menus 13
Appendices 20
Troubleshooting 20
LED & Alarm Definition Listing 23
Specifications 24
Compatibility Modes 26
Regulations and safety notices 29
Contents
1
English
Introduction
Product Features
This product is a single-chip DLP® projector, including the following
outstanding features:
•DLP® technology
•Native 1920 x 1080 full HD resolution
•Compact size projector facilitates business purposes and home
entertainment
•Versatile display modes enable optimum performance in any situation
•Acer EcoProjection Technology delivers Intelligent power management
approach and physical efficiency improvement
•Advanced keystone correction delivers optimum presentations
•Multi-language Onscreen Display (OSD) menus
•Auto focus projection lens
•Microsoft® Windows® 10, Macintosh OS, Chrome OS compliant
•LumiSense supported
•Supports BT audio speaker
•Built-in two 5 Watts speakers
2
English
Package Overview
This projector comes with all the items shown below. Check to make sure you
have them all. Contact your dealer immediately if any thing is missing.
Note: The package content may differ by regions.
Projector Power cord Power adaptor
Wireless dongle (UWA5) HDMI cable Acer Projector Multi-media
(CD-ROM)
User’s guide (CD-ROM) Quick start guide Remote control
Batteries Carrying case
3
English
Projector Overview
Projector Outlook
Front/upper side
Rear side
#Description #Description
1 Speakers 5 Remote control receiver
2 Projection lens 6 Tripod mounting hole
3 Tilt adjusting wheels 7 Power button
4 Auto focus receiver 8 Control panel
#Description #Description
1 Power socket 5 USB-C connector
2 Audio output connector 6 USB-A (service)
3 Audio input connector 7 USB-A (for wireless dongle)
4 HDMI connector 8 Kensington™ lock port
1
3
61
8
2
45
3
7
123 4 5 6 7 8
4
English
Control Panel
#Function Description
1 (Volume down) Decreases the volume when the Onscreen Display
(OSD) menu is off.
(Left) Selects items or makes adjustments to your selection
when the OSD is on.
2 (Volume up) Increases the volume when the OSD is off.
(Right) Selects items or makes adjustments to your selection
when the OSD is on.
3 POWER indicator LED Refer to the "Turning the Projector On/Off" section.
Power key
4 (Source) Display the Home OSD when the OSD is off.
(Enter) Confirms your selection when the OSD is on.
5 (Auto Focus) Automatically adjusts the focus. Long press for 3
seconds to enter music mode. Press Power key or
/ to exit music mode.
(Music)
12 3 45
5
English
Remote Control Layout
#Function Description
1 Infrared transmitter Sends signals to the projector.
2 POWER Refer to the "Turning the Projector On/Off" section.
3 ENTER Confirms your selection.
4Four
directional
selection keys
Selects items or makes adjustments to your selection.
/ (Focus-/
Focus+)
Adjusts the focus when the focus pattern appears.
5 (HOME) Goes to home screen.
6 (BACK) Cancels your selection, or goes back to previous
page.
7 (Volume down) Decreases the volume.
(Volume up) Increases the volume.
8 (Auto Focus) Automatically adjusts the focus. Long press for 3
seconds to enter music mode. Press Power key or /
to exit music mode.
(Music)
9 (Quick OSD) Launches the quick OSD menu, or exits the quick OSD
menu. The quick OSD menu contains some of the
frequently used menu funtions, such as Projection
Location, Display Mode, etc.
1
2
3
4
5
6
8
9
7
Model No: B-1201
MC.JRK11.003
6
English
Getting Started
Connecting the Projector
Note: To ensure the projector works well with your computer,
please make sure the timing of the display mode is compatible
with the projector.
#Description #Description
1Power cord 4USB Type-C cable
2 Audio cable 5 HDMI cable
3 Wireless dongle 6 USB drive
1
R
L
2
2
3
5
5
2
4
4
6
Video output
Speakers
Smart
device
Note: Connector interface is subject to model's
specifications.
7
English
Turning the Projector On/Off
Turning On the Projector
1 Ensure that the power cord and signal cable are securely connected.
The Power LED will light red.
2 Turn on the projector by pressing (POWER) on the control panel or
remote control, and the Power indicator LED will turn blue.
3 See "User Controls" on how to operate the projector.
8
English
Turning Off the Projector
1 To turn the projector off, press the power button. A confirmation
message appears. Confirm to proceed if you wish to turn the projector
off.
2 The LED Power indicator will turn solid red to indicate standby mode.
3 It is now safe to unplug the power cord.
Warning indicators:
•"Projector Overheat."
This onscreen message indicates that the projector has overheated.
The lamp will automatically turn off, the projector will automatically
shut down, and the LED Temp indicator will turn solid red. Contact
your local dealer or service center.
•"Fan Fail."
This onscreen message indicates that the fan has failed. The lamp will
automatically turn off, the projector will automatically shut down,
and the LED Temp indicator will blink. Contact your local dealer or
service center.
Note: Whenever the projector automatically shuts down and
the LED Temp indicator turns solid red, contact your local
reseller or service center.
9
English
Adjusting the Projected Image
Adjusting the Height of the Projected Image
The projector is equipped with two elevator feet for adjusting the image
height.
To raise the image:
1 Use the front Tilt adjusting wheel to raise the image to the desired
height and angle.
2 Use the rear Tilt adjusting wheel to fine-tune the display angle.
To lower the image:
1 Use the front Tilt adjusting wheel to lower the image to the desired
height angle.
2 Use the rear Tilt adjusting wheel to fine-tune the display angle.
Tilt adjusting wheel
Tilt adjusting wheel
10
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 70" set the projector at a distance 1.9 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 >
30 66 x 37 0.8 0.8 37
40 89 x 50 1.1 1.1 50
50 111 x 62 1.4 1.4 62
60 133 x 75 1.6 1.6 75
70 155 x 87 1.9 1.9 87
80 177 x 100 2.2 2.2 100
90 199 x 112 2.4 2.4 112
100 221 x 125 2.7 2.7 125
120 266 x 149 3.2 3.2 149
150 332 x 187 4.1 4.1 187
180 398 x 224 4.9 4.9 224
200 443 x 249 5.4 5.4 249
250 553 x 311 6.8 6.8 311
300 664 x 374 8.1 8.1 374
Zoom Ratio: 1.0 x
Desired distance
Height:
87 cm
From
base to
top of
image
70"
Desired
image size
1.9 m
11
English
User Controls
Home screen
The home screen provides a variety of settings such as selecting an input
signal, playing multi-media files from different kinds of storage devices,
and projecting contents from your smart devices.
Basic home screen operations
1 After turning on the projector, the home screen displays.
2 Use / / / to select an item in the home screen.
3 After selecting the desired home screen item, press "ENTER" to
enact it or enter a submenu.
4 No matter where you are, you can always press (HOME) to return to
the home screen.
The home screen includes the following modes:
•Andriod: provides Plug and Play, Google Home screen mirroring and
wireless display funtions for Andriod devices.
•iOS: provides Plug and Play and wireless screen mirroring functions for iOS
devices.
•Mac: provides Plug and Play and wireless AirPlay functions for Mac OS
systems.
•Windows 10: provides Plug and Play and wireless display functions for
Windows OS systems.
12
English
•Bluetooth: allows the projector which serves as a bluetooth speaker to be
found by your computer or smart device.
•EZCast: shares content or mirrors screen from Windows, Mac, Chromebook,
Android, iOS device via WiFi with EZCast app installed.
•Multimedia: allows you to browse media files stored in USB disk via the
USB A connector.
Note: The above modes/functions require additional menu operations or
app. See Acer Projector Multi-media (CD-ROM) for details.
•HDMI: chooses HDMI source input via the HDMI connector.
•TYPE-C: chooses TYPE-C source input via the USB (type-c) connector.
•Settings: allows you to make image adjustments and change a variety of
settings for this projector.
13
English
Onscreen Display (OSD) Menus
The projector has multilingual Onscreen Display (OSD) menus that allow
you to make image adjustments and change a variety of settings.
Using the OSD menus
•To open the OSD menu, use // / to select "Settings" in the home
screen.
•Press "ENTER" to enact it.
•When the OSD is displayed, use / to select the desired item and adjust
the settings by using / or press "ENTER" to enter the submenu.
•Select the next item to be adjusted and adjust as described above.
•Press (BACK) to go back to previous page.
•To exit the OSD menu, press (BACK) on the remote control. It will
return to the home screen and the projector will automatically save the
new settings.
Note: Some of the following OSD settings may not be available. Please refer
to the actual OSD of your projector.
Menu item Setting
14
English
WiFi
Setting
•Enable WiFi: The default value is "On". Choose "On"
to enable the WiFi connection.
•Reset: Choosing "OK" returns the display parameters
on this menu to the factory default settings.
Advanced
•Internet: Displays the available AP list. Select one AP
router to connect for Internet access.
•Password: Displays the WiFi password of this projector.
•iOS Default Mode: Sets the default mode when
performing wireless projection using an iOS device.
•Device Name (SSID): Displays the device name of this
projector.
Language Sets a language for the OSD menus. Use / to select
your preferred language.
15
English
Firmware
Upgrade
•Internet:
a Connect the projector to the internet via WiFi.
b Press
"ENTER" after selecting "Internet" and
the projector will automatically search for the
latest firmware version available.
c Select YES when the projector pops out a
message to remind you that there is a new
firmware version for you.
Do not turn off the projector while the firmware is
updating.
•USB:
a Go to Acer Worldwide website and select
“Drivers and Manuals” from “Support” or
“Service”. Download new firmware files by one
compressed file.
b Copy all uncompressed files in a USB flash drive
and plug in the projector.
c Press
"ENTER" after selecting "USB" and the
projector will automatically search for the latest
firmware version available.
d Select YES when the projector pops out a
message to remind you that there is a new
firmware version for you.
Make sure that the Type-C cable is unplugged (if
applicable) before and during firmware update.
Do not turn off the projector while the firmware is
updating.
Firmware Version Displays current firmware version.
Advanced Setting
Projection Location
• Front: The factory default setting.
• Rear: Reverses the image so you can project from
behind a translucent screen.
16
English
Advanced Setting
Display Mode
There are many factory presets optimized for various types
of images.
•Bright: For brightness optimization.
•Standard: For common environment.
•Video: For playing video in a dark environment.
•Game: For game content.
•Football: For sport picture.
•User 1/User 2: Memorize user’s settings.
LumiSense
The projector can intelligently optimizes the brightness
and color saturation of projected image. The feature
greatly enhances dark detail visibility and color saturation.
•Off: For normal mode.
•Normal: For enhancing the details in the dark area.
•Boost: For boosting brightness of the projected image.
LumiSense function is unavailable when 3D is set to
"On"
Brightness
Adjusts the brightness of the image.
•Press to darken the image.
•Press to lighten the image.
Contrast
Controls the degree of difference between the lightest and
darkest parts of the picture. Adjusting the contrast changes
the amount of black and white in the image.
•Press to decrease the contrast.
•Press to increase the contrast.
Saturation
Adjusts a video image from black and white to fully
saturated colors.
•Press to decrease the amount of color in the image.
•Press to increase the amount of color in the image.
Sharpness
Adjusts the sharpness of the image.
•Press to decrease the sharpness.
•Press to increase the sharpness.
17
English
Advanced Setting
Color Temperature
Adjusts the color temperature.
•High/Middle/Low: At higher color temperatures, the
screen looks colder; at lower color temperatures, the
screen looks warmer.
•User: Adjusts the red, green, blue, cyan, yellow and
magenta colors.
- R Gain/G Gain/B Gain: Adjusts the color balance at or
near the white point.
- R Offset/G Offset/B Offset: Adjusts the color balance
at or near the black point.
Reset Color Settings
Choosing "OK" returns the display parameters on the color
settings to the factory default settings.
HDMI Color Range
Adjusts the color range of the HDMI image data to prevent
color display error.
•Auto: Automatically adjusts the color range by
information from the player.
•Limited Range: Processes the input image as limited
color range data.
•Full Range: Processes the input image as full color
range data.
Keystone
•Auto V Keystone: Automatically adjusts image
distortion caused by tilting projection.
•V. Keystone/H. Keystone: Manually adjusts image
distortion caused by tilting projection
This function is unavailable when Auto Keystone is
set to "On".
18
English
Advanced Setting
4 Corner Correction
Manually adjusts the shape and size of an image that is
unevenly rectangular on all sides. Press /// to
select the corner that you wish to adjust. Press four
directional selection keys to adjust the image shape.
Please adjust 4-corner correction separately for each
aspect ratio, and its memory is allowed to save 4 sets
of settings only.
3D Format
If the 3D content is not displayed correctly, you can select a
3D format that suits the 3D content you are viewing and
obtain the best result.
3D L/R Invert
If you see a discrete or overlapping image while wearing
DLP 3D glasses, you may need to execute "Invert" to get
best match of left/right image sequence to get the correct
image (for DLP 3D).
Audio Mode
•Mode: There are several factory-preset sound modes
optimized for different audio categories.
•Treble: Adjusts treble level.
•Bass: Adjusts bass level.
Volume
•Press to decrease the volume.
•Press to increase the volume.
ECO Mode
Choose "On" to dim the projector LED brightness, which
will also lower the power consumption, reduce noise, and
extend the LED life. Choose "Off" to return to the normal
mode.
High Altitude
Choose "On" to turn on the High Altitude mode. When
this function is turned on, the projector fans operate at full
speed continuously to cool down the projector’s
temperature.
19
English
Note: "HDMI Color Range" and "HDMI Scan Info" are only available when
the input signal is HDMI.
Note: Supported 3D signal timings:
It needs correct settings on graphics card 3D application program for correct
3D display.
The SW players, such as Stereoscopic Player and DDD TriDef Media Player
can support 3D format files. You can download these players on the web
page below.
- Stereoscopic Player (Trial): http://www.3dtv.at/Downloads/Index_en.aspx
- DDD TriDef Media Player (Trial): http://www.tridef.com/download/TriDef-
3-D-Experience-4.0.2.html
Note: "3D L/R Invert" and "3D Format" are only available when "3D" is
enabled.
Reset All Choosing "Yes" returns the display parameters on all
menus to the factory default settings.
Signal
source
type
Supported timing
Side by Side Half Top and Bottom Frame
Packing
Frame Sequential
HDMI
(PC
mode)
640 x 480@60Hz, 800 x 600@60Hz,
1024 x 768@60Hz, 1280 x 720@60Hz,
1280 x 800@60Hz,1280 x 768@60Hz,
1280 x 1024@60Hz, 1280 x 960@60Hz,
1440 x 900@60Hz, 1920 x 1200@60Hz,
1680 x 1050@60Hz, 1600 x
1200@60Hz, 1920 x 1080
(1080p)@60Hz, 1920 x 1200@60Hz (RB)
640 x 480@60/
120Hz, 800 x
600@60/120Hz, 1024
x 768@60/120Hz,
1280 x 768@60Hz,
1280 x 720@60/
120Hz, 1280 x
800@60Hz/120Hz-RB
HDMI
(Video
mode)
480i@60Hz,
480p@59.94Hz,
720p@60Hz,
1080i@50/60Hz,
1080p@50/59.94/
60Hz
480i@60Hz,
480p@59.94Hz,
720p@50/60Hz,
1080i@60Hz,
1080p@24/50/
59.94/60Hz
720p@50/
60Hz,
1080p@24Hz
480i@60/120Hz,
480p@59.94Hz,
576i@50Hz,
576p@50Hz,
720p@50/60Hz
20
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 •Make sure all the cables are correctly connected as
described in the "Getting Started" section.
•Ensure none of the connector pins are bent or
broken.
•Make sure the projector is switched on.
2 Partial, scrolling
or incorrectly
displayed image
(For PC)
•For an incorrectly displayed image:
•Open "My Computer > 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 1600 x 1200 or 1920 x
1080.
•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 1600 x 1200 or 1920 x 1080.
•Click the "Change" button under the
"Monitor" tab.
•Click "Show all devices > 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 1600
x 1200 or 1920 x 1080.
21
English
3 Partial, scrolling
or incorrectly
displayed image
(For notebooks)
•For an incorrectly displayed image:
•Follow the steps for item 2 (above) to adjust
the resolution of your computer.
•Press the toggle output settings. Example:
[Fn]+[F4], Compaq [Fn]+[F4], Dell [Fn]+[F8],
Gateway [Fn]+[F4], IBM [Fn]+[F7], HP
[Fn]+[F4], NEC [Fn]+[F3], Toshiba [Fn]+[F5]
•If you experience difficulty changing resolutions or
your monitor freezes, restart all equipment
including the projector.
4 The screen of the
notebook
computer is not
displaying your
presentation
•If you are using a Microsoft® Windows® based
notebook: Some notebook PCs may deactivate their
own screens when a second display device is in use.
Each has a different way to be reactivated. Refer to
your computer's manual for detailed information.
•If you are using an Apple® Mac® OS based
notebook: In System Preferences, open Display and
select Video Mirroring "On."
5 Image is unstable
or flickering •Change the display color setting on your computer.
6 Image has vertical
flickering bar •Check and reconfigure the display mode of your
graphics card to make it compatible with the
projector.
7 Image is out of
focus •Press (Auto Focus) to adjust the focus.
•Make sure the projection screen is within the
required distance.
Refer to the "How to Get a Preferred Image Size by
Adjusting Distance and Zoom" section for more
information.
8 Image is stretched
when displaying a
"widescreen"
DVD title
When you play a DVD encoded in anamorphic or 16:9
aspect ratio you may need to adjust the following
settings:
•If you play a 4:3 format DVD title, please change the
format to 4:3 with the projector OSD.
•If the image is still stretched, you will also need to
adjust the aspect ratio. Set up the display format to
16:9 (wide) aspect ratio on your DVD player.
9 Image is too small
or too large •Move the projector closer to or further from the
screen.
22
English
Problems with the Projector
OSD Messages
10 Image has slanted
sides •If possible, reposition the projector so that it is
centered on the screen and below the bottom of the
screen.
•Select "Setting" from the home screen to open the
OSD menu. Go to "Advanced Setting" > "Keystone"
> to make adjustments.
11 Image is reversed •Select "Setting" from the home screen to open the
OSD menu. Go to "Advanced Setting" > "Projection
Location" to adjust the projection direction.
# Condition Solution
1 The projector stops responding
to all controls
If possible, turn off the projector, then
unplug the power cord and wait at least 30
seconds before reconnecting power.
# Condition Message Reminder
1 Message Fan Fail - the system fan is not working.
Projector Overheat - the projector has exceeded its
recommended operating temperature and must be allowed to
cool down before it is used. Please also check the dust filters if
they are installed. If the dust filter is clogged with dust, please
clean it.
23
English
LED & Alarm Definition Listing
LED Messages
Message Power LED
Red Blue
Standby
(Power cord plugged in)
V--
Power on -- V
Light retry -- Quick flashing
Firmware download Flashing Flashing
Error (Thermal failure) V Quick flashing
Error (Fan lock failure) Quick flashing Quick flashing
Error (Panel controller system fail) Quick flashing V
Turning off (Cooling completed) V --
Error (Standby) V V
BT connect status Quick flashing --
24
English
Specifications
The specifications below are subject to change without notice. For final specs,
please refer to Acer's marketing documentation.
B250i/L350R/LK-F20i
Projection system DLP™
Resolution 1080p
Computer compatibility Refer to the "Compatibility Modes" section for more
information.
Displayable colors 16.7 million colors
Weight Approximate 1.45 kg (3.2 lbs.)
Dimensions (W x D x H) 205 x 204 x 78 mm (8.07" x 8.03" x 3.07")
205 x 204 x 84 mm (8.07" x 8.03" x 3.31") (with tilt
adjusting wheels)
Power supply Universal AC input 100 - 240 V, input frequency 50/60 Hz,
DC input 19V 4.74A
Operating temperature 0ºC to 40ºC / 32ºF to 104ºF
Standard package contents •Power adapter x 1
•Power cord x 1
•HDMI cable x 1
•Acer Projector Multi-media (CD-ROM) x 1
•Remote control x 1
•Battery x 2 (for the remote control)
•User's guide (CD-ROM) x 1
•Quick start guide x 1
•Wireless dongle (UWA5) x 1
•Carrying case x 1
Resolution 1080p
Aspect ratio N/A
Projection lens F = 1.7 mm, f=9.251 mm
Auto (electric-driven) Focus and Manual Focus (only via
remote control)
Projection screen size
(diagonal) with clear focus
18.5" (47 cm) - 300" (762 cm)
Projection distance with
clear focus
1.6' (0.5 m) - 26.6' (8.1 m)
Throw ratio 74"±6% @ 2 m (1.23)
Horizontal scan rate 15 - 102 KHz
Vertical refresh scan rate 23 - 120 Hz
Keystone correction +/-30 Degrees (Vertical) , +/-10 (Horizontal), Manual & Auto
Audio 5W x 2
Power consumption (typical) Normal mode: 60 W at 110VAC
ECO mode: 50 W at 110VAC
Standby < 0.5 W
25
English
* Design and specifications are subject to change without notice.
I/O connectors B250i/L350R/LK-F20i
Power socket V
USB A (Wireless Dongle) V
USB Type A (Service) V
AUDIO IN V
AUDIO OUT V
HDMI V
USB Type C V
26
English
Compatibility Modes
1 HDMI - PC Signal
Mode Resolution V.Frequency [Hz] H.Frequency
[KHz]
VGA_60
640 x 480
59.939 31.468
VGA_72 72.808 37.86
VGA_75 75 37.5
VGA_85 85.008 43.269
VGA_120 119.517 61.91
SVGA_56
800 x 600
56.25 35.156
SVGA_60 60.315 37.878
SVGA_72 72.186 48.076
SVGA_75 75 46.875
SVGA_85 85.06 53.673
SVGA_120 119.853 77.425
XGA_60
1024 x 768
60.004 48.363
XGA_70 70.069 56.476
XGA_75 75.028 60.022
XGA_85 84.996 68.677
XGA_120 119.804 98.958
SXGA_70
1152 x 864
70 63
SXGA_75 75 67.5
SXGA_85 84.998 77.093
SXGA_60
1280 x 1024
60.02 63.981
SXGA_72 71.99 77.893
SXGA_75 75.024 79.976
SXGA_85 85.023 91.145
QuadVGA_60 1280 x 960 60 60
QuadVGA_75 1280 x 960 75 75
SXGA+_60 1400 x 1050 59.978 65.316
UXGA_60 1600 x 1200 60 75
27
English
2 HDMI - Video Signal
3Type C
WXGA_60
1280 x 768
59.87 47.776
WXGA_75 74.892 60.288
WXGA_85 84.837 68.633
WXGA_60 1280 x 720 60 45
WXGA_120 1280 x 720 119.857 92.889
WXGA_60 1280 x 800 59.81 49.702
WXGA_120-RB 1280 x 800 119.908 101.562
WXGA+_60 1440 x 900 59.887 55.934
WXGA+_60 1920 x 1200 59.95 74.038
1680x1050_60 1680 x 1050 59.954 65.29
1366x768_60 1366 x 768 59.789 47.712
1920x1080_RB 1920 x1080 59.933 66.586
1920x1200-RB 1920 x 1200 59.95 74.038
Mode Resolution V.Frequency [Hz] H.Frequency [KHz]
480i 720 x 480
(1440 x 480) 59.939 15.4
480p 720 x 480 59.939 31.468
576i 720 x 576
(1440 x 576) 50 15.63
576p 720 x 576 50 31.25
720p 1280 x 720 60 45.00
720p 1280 x 720 50 37.50
1080i 1920 x 1080 60 33.75
1080i 1920 x 1080 50 28.125
1080p 1920 x 1080 60 67.50
1080p 1920 x 1080 50 56.26
1080p 1920 x 1080 24 27.00
1080p 1920 x 1080 23.975 26.972
Resolution Mode Refresh rate
(Hz)
H-frequency
(kHz)
Clock
(MHz)
Aspect
Ratio
800 x 600 SVGA_60 60.32 37.88 40 4:3
28
English
1024 x 768 XGA_60 60 48.36 65 4:3
1280 x 960 SXGA- 60 60 108 4:3
1600 x 1200 UXGA_60 59.87 74.54 161 4:3
1680 x 1050 WSXGA+ 59.95 65.29 146.25 16:10
1920 x1080 FHD 50 56.25 148.5 16:9
1920 x1080 FHD 60 67.5 148.5 16:9
29
English
Regulations and safety notices
FCC notice
This device has been tested and found to comply with the limits for a Class B
digital device pursuant to Part 15 of the FCC rules. These limits are designed to
provide reasonable protection against harmful interference in a residential
installation. This device generates, uses, and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular
installation. If this device does cause harmful interference to radio or television
reception, which can be determined by turning the device off and on, the
user is encouraged to try to correct the interference by one or more of the
following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the device and receiver.
•Connect the device into an outlet on a circuit different from that to which
the receiver is connected.
•Consult the dealer or an experienced radio/television technician for help.
Notice: Shielded cables
All connections to other computing devices must be made using shielded cables
to maintain compliance with FCC regulations.
Notice: Peripheral devices
Only peripherals (input/output devices, terminals, printers, etc.) certified to
comply with the Class B limits may be attached to this equipment. Operation
with non-certified peripherals is likely to result in interference to radio and TV
reception.
Caution
Changes or modifications not expressly approved by the manufacturer could
void the user's authority, which is granted by the Federal Communications
Commission, to operate this device.
Operation conditions
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference,
and (2) this device must accept any interference received, including interference
that may cause undesired operation.
Notice: Canadian users
This Class B digital apparatus complies with Canadian ICES-003.
30
English
English
Remarque à l'intention des utilisateurs canadiens
Cet appareil numérique de la classe B est conforme a la norme NMB-003 du
Canada.
Declaration of Conformity for EU countries
Acer hereby, declares that this projector series is in compliance with the
essential requirements and other relevant provisions of Directive 1999/5/EC.
Compliant with Russian/Ukraine/Belarus regulatory certification
Radio device regulatory notice
Note: The regulatory information below is for models with
wireless LAN and/or Bluetooth only.
General
This product complies with the radio frequency and safety standards of any
country or region in which it has been approved for wireless use. Depending on
configurations, this product may or may not contain wireless radio devices (such
as wireless LAN and/or Bluetooth modules).
Canada — Low-power license-exempt radio
communication devices (RSS-247)
a Common information
Operation is subject to the following two conditions:
1. This device may not cause interference, and
2. This device must accept any interference, including interference
that may cause undesired operation of the device.
b Operation in 2.4 GHz band
To prevent radio interference to the licensed service, this device is
intended to be operated indoors and installation outdoors is subject
to licensing.
31
English
List of applicable countries
This device must be used in strict accordance with the regulations and constraints in the
country of use. For further information, please contact a local office in the country of use.
Please see http://ec.europa.eu/enterprise/rtte/implem.htm for the latest country list.
32
English
English
Declaration of Conformity
We,
Acer Incorporated
8F, 88, Sec. 1, Xintai 5th Rd., Xizhi, New Taipei City 221, Taiwan
And,
Acer Italy s.r.l
Viale delle Industrie 1/A, 20020 Arese (MI), Italy
Tel: +39-02-939-921, Fax: +39-02-9399-2913
www.acer.it
Product:
Projector
Trade Name:
Acer
Model Number:
RU Jan/Sr. Manager
Acer Incorporated (Taipei, Taiwan)
Date
Feb. 1, 2020
Acer Incorporated
8F, 88, Sec. 1, Xintai 5th Rd., Xizhi
New Taipei City 221, Taiwan
Year to begin affixing CE marking 2020.
EMC Directive: 2014/30/EU
EN 55032:2015+AC:2016, Class B
EN 55024:2010+A1:2015
EN 61000-3-2:2014
EN 61000-3-3:2013
LVD Directive: 2014/35/EU
EN 60950-1:2006/A11:2009/A1:2010/A12:2011/A2:2013, EN62368-1:2014 +A11
RoHS Directive: 2011/65/EU
EN 50581:2012
ErP Directive: 2009/125/EC
Regulation (EU) No. 617/ 2013
Regulation (EC) No. 1275/2008; EN 50564:2011
Regulation (EC) No. 278/2009; EN 50563:2011
We, Acer Incorporated, hereby declare under our sole responsibility that the product described
above is in conformity with the relevant Union harmonization legislations as below Directive
and following harmonized standards and/or other relevant standards have been applied:
A1P1901
Marketing Name:
B250i/L350R/LK-F20i
33
English
Acer America Corporation
333 West San Carlos St.,
Suite 1500
San Jose, CA 95110
U. S. A.
Tel: 254-298-4000
Fax: 254-298-4147
www.acer.com
Federal Communications Commission
Declaration of Conformity
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions: (1) this device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired operation.
The following local Manufacturer /Importer is responsible for this declaration:
Product: DLP Projector
Model Number: A1P1901 series
Name of Responsible Party: Acer America Corporation
Address of Responsible Party: 333 West San Carlos St.
Suite 1500
San Jose, CA 95110
U. S. A.
Contact Person: Acer Representative
Phone No.: 254-298-4000
Fax No.: 254-298-4147