Size:105 x 140mm / 80P模造紙 / 黑白單色印刷 / 膠裝
User’s Manual
C101i/ LB211/ LC-WV21/ KWV1701
Size:105 x 140mm / 80P模造紙 / 黑白單色印刷 / 膠裝
Copyright © 2017. Acer Incorporated.
All Rights Reserved.
Acer Projector User's Guide
Original Issue: 06/2017
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
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
Acer Projector
Model number:
Serial number:
Date of purchase:
Place of purchase:
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."
Size:105 x 140mm / 80P模造紙 / 黑白單色印刷 / 膠裝
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.
• 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.
• 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 or lamp.
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
• 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.
• 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.
Size:105 x 140mm / 80P模造紙 / 黑白單色印刷 / 膠裝
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
Unplug this product from the wall outlet and refer servicing to qualified service personnel
• 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
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 lamp is on. The bright light may hurt your
• 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.
• 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
• 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.
• 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.
Size:105 x 140mm / 80P模造紙 / 黑白單色印刷 / 膠裝
• Do not operate lamps beyond the rated lamp life. It could cause it to break on rare
• Contact your local dealer or Acer service center when you need to change the lamp.
• The product will detect the life of the lamp itself. Please contact your local dealer or Acer
service center for changing the lamp, when lamp warning message displays.
• Do not attempt to disassemble this projector. There are dangerous high voltages inside
which may hurt you.
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.
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
If your projector does not seem to be functioning properly, check the items below
before you contact an authorized service center.
Check Point
The projector does not work when
connecting to a smartphone,
notebook or PC with cable.
Check if HDMI cable is plugged correctly.
The projector can’t be detected
when running EZCast app.
1.Enable your WLAN of PC or smartphone and select the
access point labeled ‘Projector-XXXXXXXX’ to connect with
the projector.
2.Disconnect the Ethernet cable from your computer to avoid
affecting the wireless network connection.
The projected image is blurred.
1.Adjust the focus. Please refer to “Adjusting the Focus”.
2.Check if the lens is dirty.
The surface temperature of
projector is high.
Because of the high-luminance LED, it is normal that this
projector generates heat in long-time use. It will not affect the
performance of the projector. Always keep the ventilation slots
free of dirt or obstructions and operate the projector in a
properly ventilated environment.
Recovering from abnormal
If the projector is running slow, freezing, crashing or locking
up during the operation, you can try to insert a slim, pointy
object into the reset hole to trigger a hardware reset.
Size:105 x 140mm / 80P模造紙 / 黑白單色印刷 / 膠裝
Package Contents
• Mobile Projector
• Power Adapter
• User’s Manual
• Power Plugs
• Tripod
Knowing your Mobile Projector
Projection Lens
Focus Ring
Volume Up
Volume Down
LED Indicator
Brightness Adjustment
Earphone Jack
HDMI Output Connector
HDMI Input Connector
Service Use
Reset Hole
Tripod Socket
Getting Started
Charging the product
The projector is built with an embedded
battery for mobile use. Please charge the
projector for 5 hours prior to its first use.
Repeat charging will take around 3 hours.
The battery will be charged only when the projector is not in use (Power off). Connect one end
of the supplied power adapter to DC IN jack and the other end to a power outlet to start
Exchange the plug (EU, US etc.) of AC adapter that accommodates the type of power outlet in
your country.
Size:105 x 140mm / 80P模造紙 / 黑白單色印刷 / 膠裝
Charging LED Indicator
During charging, the LED indicator lights will flash as marquee. While the battery is fully
charged, the LED indicator lights turns to solid blue.
LED Status
3 blue LEDs stay on
Power capacity is between 80% to 100%
2 blue LEDs stay on
Power capacity is between 45% to 80%
1 blue LED stays on
Power capacity is between 10% to 45%
1 blue LED blinks
Power capacity is below 10%
LED Marquee
Projector is being charged
Power On / Off / Standby
Push the Power button for 2 seconds to turn on the projector.
Push the Power button again for 3 seconds to turn off the projector.
Standby mode: Push the Power button for 1 second to turn on / off the projector lamp to
save the battery and system reboot time. (The LEDs are still on when the projector is in
standby mode.)
Adjusting the Focus
Place the projector on a flat surface and toward a wall or
a projection screen. Adjust the focus by turning the focus
ring to get a sharp and clear picture.
Note: Use a tripod to increase the height of the projectional image when necessary.
The tripod socket is located under the projector.
Adjusting the brightness of projector
There is a brightness adjustment button on the top of the projector. It allows you to change
the brightness.
Main Screen
Power on the projector, the following
screen appears after the projector
boots up.
Battery Power (HDMI mode)
70 mins
120 mins
Size:105 x 140mm / 80P模造紙 / 黑白單色印刷 / 膠裝
For first-time use, please install the wireless application software first, on your PC or
Wireless projecting via Apple Airplay (iOS10)
1. Tap Setting -> WiFi to connect iPhone to Projector-xxxxxxxx shown on the top of projection
2. Swipe up from the bottom bezel of the screen on your iPhone to bring up Control Center.
3. Tap on “AirPlay Mirroring” then choose “ Projector-xxxxxxxx”.
4. After connection, the screen has been mirror-projecting.
*iOS device can project via EZCast APP also, the operation is same as an Android device.
5. During projection, the smartphone can access cloud via 3G/4G network. It also can be
done through the projector to link to a wireless network for cloud access.
6. To connect the projector to a wireless network can support mirror projection and internet
access. Tap shown on the EZCast screen in the left top corner, Then, tap "Settings" and
use the keypad displayed the mobile device to connect the projector to an available
wireless network. The detail operation can be referred to “Connect the projector to Wi-Fi
network for Internet access.”
Projecting from the wireless application software on Android
EZCast is an application that runs on your Android smartphone or iOS devices and transmits
still images or presentations to the projector. The EZCast is only used for a wireless
1. Download and install the free EZCast app. Refer
to the section of Main Screen.
2. Run EZCast after installation then click
on screen in right top corner to search projector.
3. Choose WiFi Projector (Name as SSID shown on
the top of projection screen) and enter the Login
password shown on the projector screen as well.
After connecting to the projector a blue connection
icon will be shown on projection screen in right top
Size:105 x 140mm / 80P模造紙 / 黑白單色印刷 / 膠裝
4. To connect the projector to a wireless network
can support mirror projection and internet
access. Tap shown on the EZCast screen in
the left top corner.
Then, tap "Settings" and use the keypad
displayed the mobile device to connect the
projector to an available wireless network. The
detail operation can be referred to “Connect
the projector to Wi-Fi network for Internet
5. After connection, tap “Mirror” On to mirror screen to projector. For EZCast user manual,
please refer :
EZMirror projection for Android Miracast devices
EZMirror is the function of EZCast app and fully compatible with Miracast, you can click the
EZMirror button in EZCast to Miracast mode.
1. Link with Projector-xxxxxxxx in Wi-Fi setting of Android device then open EZCast app to
click <EZMirror> icon from the menu of
. Projection screen will turn to the EZMirror
2. Tap “ON” button shown on the screen. Once you turn it on, there
is 60 seconds countdown for your mobile phone to connect with
Please enable Miracast function in smartphone setting page.
3. After Miracast connection, the screen has been mirror-projecting.
Currently, the smartphone also can be connected to Internet via
WLAN or 3G/4G.
Size:105 x 140mm / 80P模造紙 / 黑白單色印刷 / 膠裝
Wireless projection from computer
1. Connect the computer to an available network for Internet access.
2. Open the Internet browser on your computer then enter the IP Address in the browser’s address bar.
3. Select the driver for Windows or Mac OS depending on your operating system and then click
<Download> to enter the download page. Follow on-Screen instructions to complete the
setup and reboot the computer.
4. When the installation is completed, an icon, labeled EZCast
will appear on your
computer desktop.
5. Power on the engine and enter to main screen of the projector.
6. Connect your computer to the projector Wireless network by
selecting SSID: Projector-XXXXXXXX on the network list,
enter the Password shown on the top of projection main
screen and click <OK> to confirm.
7. Double-click EZCast
icon on your computer desktop to start
the application then click
When the screen displays the selection of "Projector-xxxxxxxx",
double-click it to connect to projector.
8. Click“Mirror” to select the projection output method from Off (default) to Mirror or Extension
to start the wireless projection.
Size:105 x 140mm / 80P模造紙 / 黑白單色印刷 / 膠裝
Connect the projector to Wi-Fi network for Internet access
It is recommended that you connect the projector to a Wi-Fi network (home network) so your
computer, tablet, and smartphone can access to Internet at the same time. You only need to
key in the network key to set up the connection for the first time. The projector will be
automatically connected to the network when it’s powered on the next time.
1. Go to Setting menu, select and enter
2. Select the Wi-Fi network (SSID) you would
like to connect with and confirm with OK
button to open the password dialog and
typed the password.
3. If wireless security is enabled on your Wi-Fi
network, you should type the password
(network key) by using the virtual keyboard
on the smartphone or your PC keyboard.
4. Click OK to set up the Internet access point
and make the connection.
It will take a while till the connection is
successfully established. In home screen you
will see the connection status in the right top
Size:105 x 140mm / 80P模造紙 / 黑白單色印刷 / 膠裝
5. After the projector is connected to your Wi-Fi network (home network), please close the APP
on your smartphone / Computer. Next, please connect your smartphone to your Wi-Fi
network (home network) and open the APP again use the serach button to connect to the
projector again.
Note: Internet access performance is affected by various factors such as physical objects,
distance, interference from other devices on similar frequencies, limited bandwidth etc. If the
internet speed drops or intermittently disconnects during projection, we recommend you to
select another access point with a stronger signal or disable internet access to ensure the
best experience for wireless projection.
HDMI Input
The projector has a built-in HDMI input port on the rear side. You can connect your external
video Input source to the projector or output the projector’s screen to an LCD monitor or
HDTV by using the appropriate cable.
Note: Apple Lightning Digital AV adapter is not included in the package.
HDMI Output
The projector has a built-in HDMI output port on the rear side. Using a HDMI cable to connect
to an LCD monitor or a TV with an HDMI input port, the projector can transform a conventional
TV or monitor into a Smart TV via the wireless connection to a phone or tablet.
Displaying the image on an External LCD Monitor
Use the HDMI cable to connect the HDMI output port on the rear panel of the projector to a
LCD monitor or HDTV. After connecting, the screen switches to the LCD monitor automatically.
Size:105 x 140mm / 80P模造紙 / 黑白單色印刷 / 膠裝
Optical Technology
Light Source
Aspect ratio
854 x 480 Pixels (FWVGA)
Contrast Ratio
Projection Image Size
51 cm ~305 cm (20”~120”)
Projection Distance
50 cm ~319 cm (20”~125”)
Throw Ratio (Diagonal: Distance)
Up to 150 Lumens
HDMI In, HDMI Out / Audio Out: 3.5 mm mini jack
802.11 b/g/n
Internal Speaker
Power Supply
Input: 100 ~ 240V AC / Output: 12V, 2A DC
Battery Type
Embedded 3.4V / 3400 mAh Li-polymer battery
Battery Power (HDMI mode)
Eco mode: 120 min
Power Consumption
12 W
Dimensions ( L x W x H )
118 x 121 x 24 mm (4.65”x 4.76”x 0.94”)
265 g / 9.35 Oz
20 – 80%, 80% (Max.), non-condensing
Operating Temperature
5°C – 35°C
*All specifications are subject to change without notice.
Download PDF