Acer C250i User manual
Quick Start Guide
SSS
G
C250i / LB350R / LC-F50i
How to use the device properly:
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As the device is a high intensity light source, do not stare or look directly at the lens
during operation, which may damage your eyes. This warning applies to children as
well.
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Precautions
About Your Projector
Long press: turn on / turn off projector
Short press: (when projector is on )
- At Home Page (1st level): Equal to Enter Key.
- 2nd level of user interface: Equal to Back Key.
- At Setting menu: Equal to Back Key
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Long press: Enter Bluetooth music mode.
Short press: Do confirmation.
+: Left Key at Home page / Volume Up during video
playback or streaming
- : Right Key at Home page / Down key at Setting menu /
Volume Down during video playback or streaming
POWER /
ENTER /
+ /-
Landscape mode Portrait mode
Note: Portrait mode is the suggested projection default
About Your Remote Controller
Operating Instructions
1. Preparation at 1st time usage
Insert Acer WirelessProjection-Kit (UWA5 Wi-Fi dongle) into the WIRELESS KIT port on
projector. (See picture 1)
(Remark: The Wi-Fi dongle cannot be removed after plugging-in)
Plug the power adaptor in your projector depending on landscape mode or portrait mode.
Charge your projector by 3 hours at 1st time usage. (See picture 2)
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To turn on projector, long press the power button of the projector for 3 seconds or press
power key on remote controller directly.
Adjust focus ring until the projection image is clear and focused.
Select your preferred start-up language.
Power key to turn on/off projector
Quick key to enter Bluetooth music mode
Confirmation key
4 direction keys
Back key
Quick key to enter home menu
Quick menu key
Volume up / down
Function
1
2
3
4
5
6
7
8
NO
Remark:
1. Batteries are not included.
2. Wi-Fi setting and advanced settings can be controlled by remote
controller only.
3. Powering on projector via remote controller is available while adaptor
is plugged in.
(Picture 1) (Picture 2)
Use remote control to set up Wi-Fi connection.
After starting up, enter the below home menu and select the functions by arrow keys on the
projector or remote control: Android, iOS, MacOS, Windows,Bluetooth, EZCast, Media,
HDMI, TYPE-C, and Setting.
Wi-Fi setting: Select the “Wi-Fi setting” menu and enter the Wi-Fi setting interface, select the
"Internet", press “ENTER” key to confirm, and select the router from AP list and enter the
password.
Language menu: press the left and right arrow keys to select and switch the language.
Firmware upgrade menu: you could upgrade firmware via Internet or USB drive. To upgrade
via Internet, make sure projector is connected to your Wi-Fi router first; to upgrade via USB
drive, please download latest firmware from Acer official website and rename it as
“ACTUPGRADE” before starting your firmware upgrade.
Color setting: It offers the basic color setting for your color preference fine-tuned.
Reset all: The projector will be restored to the factory settings, and the data adjusted by the
user will not be saved.
To turn off projector, long press the power button of the projector for 3 seconds or press
power key on remote controller directly.
Use your remote controller to select “Setting” on home menu of projector, and press “ENTER” to
confirm.
2. About “Setting”
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Insert a USB flash drive into USB port or insert MicroSD Card to MicroSD slot on the
projector.
Select the “Media” >> “USB Disk” or “MicroSD Card” >> “Video”, “Music” or “Photo” to enter
the file folder.
Select the file to play with the up and down arrow keys, and press “ENTER” to confirm.
When playing media, press "ENTER" to see the menu, and select item by the left and right
keys.
Supported format:
Under battery mode (without power adaptor), short press (<1s) the power button to turn on
or turn off the power bank to supply 5V/0.5A (via Type A) or 5V/1A (via Type C).
With adaptor, USB power is always available without pressing any buttons.
Be noted that power charge is either offered via Type A or Type C only.
Battery life varies depending on product settings, usage, and other factors.
MP1, MP2, MP3, WMA, OGG, ADPCM-WAV, PCM-WAV, AAC
MPEG-4 ASP, H.264, MPEG-1, MPEG-2, VC-1, Xvid
JPEG, BMP
Support format
Audio
Video
Image
Use your remote controller to select “Media” on home menu of projector, and press “ENTER” to
confirm.
3. About “Media”
4. How to user your projector as power bank to charge your mobile
5. Other Important notice:
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How to Connect Your Device to play music via Bluetooth
About Auto Portrait Mode
Turn on the projector, select the Bluetooth on home menu of projector to enter Bluetooth
connecting standby page. (Or, long press ENTER key on projector to Enter Bluetooth music
mode after powering on projector.)
Turn on Bluetooth on your mobile and search SSID shown on standby page.
When connecting successfully, you will hear the system sounds. Then, optical engine turns
off automatically and enter Bluetooth music mode. You can start to play your music.
Press “Power” key on projector or “BACK” key on remote controller to exit Bluetooth music
mode.
For mobile, it supports auto portrait mode and displays full-screen projection automatically
via wireless projection and USB plug-and-play (via USB cable) when both of mobile and
projector are displayed by portrait mode.
If both of mobile and projector are displayed by landscape mode, we suggest you to use
landscape mode to get full-screen projection.
For HDMI or Type-C, it doesn’t support portrait Mode.
Projector / Mobile
Projector - landscape mode
Projector - portrait mode
Mobile - landscape mode
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Mobile - portrait mode
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❹
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How to Do Plug and Play (via USB Cable)
1. Android
2. iOS
Select the Android on main menu of projector, and then select Plug and Play menu by
pressing "ENTER" key.
Download and install EZCast app from Google Play Store or scan the QR code shown on
screen.
Connect your mobile to the projector via mobile USB charging cable, and then enable "USB
Tethering" in Setting of your mobile.
Enable EZCast app and select "Beam-XXXX" to enjoy your projection.
Select the iOS on main menu of projector, and then select Plug and Play menu by pressing
"ENTER" key.
Download and install EZCast app from App Store or scan the QR code shown on screen.
Connect your mobile to the projector via mobile USB charging cable, and then choose "Trust
This Computer" to start your projection.
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3. Windows 10
4. MacOS
Select Windows on main menu of projector, and then select Plug and Play menu by
pressing "ENTER" key.
Install EZCast app on your PC. Please visit https://www.ezcast.com/app to download
EZCast app.
Connect your PC to the projector via USB A-to-A cable.
Enable EZcast app on your PC and select "Beam-XXXX" to enjoy your projection.
Select MacOS on main menu of projector, and then select Plug and Play menu by pressing
"ENTER" key.
Install EZCast app on your PC. Please visit https://www.ezcast.com/app to download
EZCast app.
Connect your PC to the projector via USB A-to-A cable.
Enable EZcast app on your PC and select "Beam-XXXX" to enjoy your projection.
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How to Do Wireless Display
1. Android
2. iOS
Select Android on main menu of projector, and then select Wireless menu by pressing
"ENTER" key.
Select mirroing function in the setting of your phone and find ”Beam-XXXX” device shown
on device list to start your mirroring.
Note 1 : The naming of mirroring function varies different brands.
Visit https://www.ezcast.com/usage/android/ezmirror for demos.
Note 2: Compatibility: Android 5.0 or above.
Note: Compatibility: iOS 12 or above.
Select iOS on main menu of projector, and then select Wireless menu by pressing "ENTER"
key.
Make sure both of your projector and mobile are connected to the same WiFi router.
Go for Screen Mirroring of your mobile and select the ”Beam-XXXX” shown on the list to
start projection.
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3. Windows 10
4. MacOS
Select Windows 10 on main menu of projector, and then select Wireless menu by pressing
"ENTER" key.
Make sure both of your projector and computer are connected to the same WiFi router.
Click quick key by on the computer, and connect to the device named by “Beam-
XXXX” to start your projection.
Select MacOS on main menu of projector, and then select Wireless menu by pressing
"ENTER" key.
Make sure both of your projector and computer are connected to the same WiFi router.
Click for Screen Mirroring icon on your computer and select the ”Beam-XXXX” shown on the
list to start your projetion.
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Note: Please upgrade your windows 10’s operation system to the lastest version.
5. Google Home Screen Mirroring (Android Only)
6. EZCast
Select Android on main menu of projector, and then select Google Home menu by pressing
"ENTER" key
Make sure both of your projector and mobile are connected to the same WiFi router
Download and install Google Home app from Google Play Store.
Enable Google Home app and go to Account >> Mirror Device >> select the ”Beam-XXXX”
shown on the list to start your projection.
Select EZCast on main menu of projector and Make sure both of your projector and mobile
are connected to the same WiFi router
Install EZCast app on your device. Please download the app from application market for
your mobiles or visit https://www.ezcast.com/app to download EZCast app for PC.
Enable EZCast app on your device, and then click icon and select the ”Beam-XXXX” shown
on the list to start your projection.
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FAQ
SolutionsQuestions
Cannot be powered on
Unable to screen
mirroring
Unable to do software
upgrade via internet
Cannot focus image
Remote controller
cannot work
Unable to shutdown
The resolution of
display image is a bit
lower
1. Check whether the power cord is connected properly.
2. Long press the power button for 3 seconds, then release the
button and wait for the projector to start up.
3. For the 1st time usage, please plug in power adapter to
activate battery and recharge battery for 3 hours.
1. Refer to the Quick Guide to make sure you are using the correct wireless
connecting entrance for your device and operating system.
2. If the screen stutters or lags, the distance between your device and projector
is too far. The suggested distance is within 2m.
3. Make sure the device is connected to correct SSID of the projector.
Check your projector is well-connected to your Wi-Fi router. Go for: Setting >>
Wi-Fi Setting.
1. The best projection distance is 0.8m~2.7m. Make sure if your projection
distance is appropriate.
2. Check the lens is clean.
1. Replace the batteries of remote control.
2. The best control distance is 1m.
3. The IR is at front side of projector. Try to point at it when using remote
controller.
1. Long press power button on projector for 10 seconds to force projector
shutdown.
2. Use a reed needle to press reset key for 10 second until pops up a processing
message. After reset, plug in power adaptor to projector and turn on it.
1. Check if the content in your device is FHD.
2. It may lower the resolution under Auto Portrait Mode.
3. It may lower the resolution when keystone is enabled.
Unable to use as
power bank
The wireless projection
or Bluetooth music
mode cannot work
Cannot display via
HDMI, Type C, or
media via USB drive
under portrait mode
Function in setting or
list cannot be selected
by keypad on projector
1. Under battery mode, short press the power button before connecting your
phone.
2. It cannot support to charge mobiles via both of type A and type C at the
same time.
3. Be noted it doesn’t support to charge notebook or non-mobile device.
1. Make sure the Acer WirelessProjection-Kit (UWA5 Wi-Fi dongle) is being
plugged in projector.
2. Check your projector is well-connected to your Wi-Fi router. Go for:
Setting >> Wi-Fi Setting.
Portrait mode is designed for mobile with live-streaming display, especially via
wireless display and plug-and-play (via mobile USB cable). For HDMI, Type C,
or media display via USB drive, we suggest to display content under landscape
mode.
Use remote controller to complete more advanced setting directly.
APPENDIX-1: LED Indicator
Battery mode:
Adaptor mode:
Power LED Status
Power LED Status
Behavior
Behavior
Turn On
Turn Off with battery charging
Turn Off with charging completed
Bluetooth Pairing
Bluetooth Connected
Turn On
Turn Off
Bluetooth Pairing
Bluetooth Connected
The projector will enter ECO mode automatically when battery capacity is lower 5%.
Blue
Red (flashing-0.5s On/0.5s Off)
Red (solid)
Blue (flashing-0.5s On/0.5s Off)
Blue (solid)
Blue
Off
Blue (flashing-0.5s On/0.5s Off)
Blue (solid)
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3. “”
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