L1 Mini Projector

User
Manual

Thank You!
Thank you for choosing our product! Please read this user manual carefully before using it to help you familiarize yourself with this product.
Due to firmware updates and changes, the information in this manual may differ slightly. We apologize for any inconvenience caused by these changes.
If you have any questions or concerns, please contact us at support@sentrym.com.

1. Focus Wheel	6. USB 2.0
2. MicroSD Card Slot	7. 3.5mm Headphone Jack
3. Power Input	8. On/Off Button
4. Reset Button	9. Power Button
5. HDMI Input	10. Lens

Projector Volume Down Menu Button Home Button Power LED Volume Up Trackpad Return Button

Controller 8 Power Button 9 Confirm Button 10 Mouse Mode Button 11 Volume Down 12 Menu Button 13 Mute Button 14 Direction Pad 15 Return Button 16  Home Button 17Volume Up

Powering On:

1. Switch the [On/Off] Switch to the “On” state, then press the Power Button to Power on. The Power LED will turn blue and the display will show up shortly.
2. If the battery power is low, please connect the power adapter to the Power Input port to charge the projector.

Powering Off:
Press the Power Button and you will get a prompt to shutdown the device. Click “OK”, and once the projector stops running, switch the [On/Off] Switch to the “Off” state to
prevent battery discharge.

Image Sharpness:

To adjust the sharpness of the image, please adjust using the focusing wheel located on the left of the projector.

HDMI Input

1. 1. Connect one end of the HDMI Cable to the HDMI Input on the projector and the other end to your PC/Laptop/Other device.
   2.  In the main interface of the projector, select “HD IN” to change the input selection to the HDMI source.
2.  

Keystone Correction (Vertical)

In the Home Screen, select “Settings” then go to “Projection Setting” -> “Keystone Correction Vertical”. By default, this is set to Auto, but you can also choose to adjust
the setting manually.

Keystone Correction (Horizontal)

In the Home Screen, select “Settings” then go to “Projection Setting” -> “Keystone Correction Horizontal”. To enable horizontal keystone, switch the “Open” option to “On” and you’ll be able to adjust the setting manually. You can also choose to make Multi-Angle adjustments.

Wi-Fi Setting

In the Home Screen, select “Settings” then go into “Networking Setting” -> “Wi-Fi Setting”.
Make sure the switch is in the “On” state and the Wi-Fi SSID List should automatically populate.
You can also choose to refresh the list if you can’t find the SSID that you are looking for by pressing the “Refresh Wi-Fi” icon on the top right of the screen. Next, select the network that you wish to connect to and enter the password and click “Link”.

Hotspot Setting

In the Home Screen, select “Settings” then go into “Networking Setting” -> “Hotspot Setting”. Set the switch to the “On” state. You can then set the parameters.
Once you’re done, click “OK” and your device should be discoverable by other devices within the Wi-Fi network.

Bluetooth Setting

In the Home Screen, select “Settings” then go into “BT Setting”. Set the switch to the “On” state and it will automatically begin searching for nearby bluetooth devices.
If you are unable to scan and find the device you are looking for, you can click the top right “Refresh Device” button to scan again. Once you’ve located the device you wish to connect to, click and pair. The device will then show on the left side under “Paired Devices”.  

Language Setting

In the Home Screen, select “Settings” then go into “Language Setting” and select the language you wish to switch to.

imirror (iOS System)

1. Your iOS device and projector both need to be connected to the same Wi-Fi network. In the absence of a Wi-Fi network, you can connect the iOS device to the hotspot of the projector instead.
2. In the Home Screen, select “AirPlay”.
3. Open the “Screen Mirroring” function on your iOS device and search and connect to the device name shown in the AirPlay menu on the projector screen. (Eg.
   EShare-####)

Miracast (Android System)

1. Your Android device and projector both need to be connected to the same Wi-Fi network.
2. On the Home Screen, click on your App Center and start the “Miracast” Application.
3. On your Android device, download the Miracast app on your device and open the app.
4. Connect to the device name shown on the projector screen on the bottom left corner.

EShareServer

Both your device and projector need to be connected to the same Wi-Fi network.

1.  In the Home Screen, click on “EShare”.
2. Follow the steps and select the device type that you wish to connect to.
3. Download and install “EShare” on your corresponding device.
4. Enter the “EShare” App and search for the device name of the projector.

3D Movie Playback

1. Before playing 3D Videos, please turn off Horizontal Keystone Correction and Screen Zoom inside Settings.
2. Open the “Movie Player” App, then open the video that you wish to play in 3D.
   Select the “3D” option in the menu bar and select the appropriate 3D mode.
   *3D glasses are not included with the projector, but you can use any active shutter 3D glasses for the projector.

Installing Apps

1. You can either download the APK file directly onto the projector disk space, or download it onto your PC and transfer it onto a USB flash drive to insert into the projector.
2. Once you have the APK file ready, enter “App Center” then click on “App Installer” and you will receive a prompt to find the location of your file.
3. Click and accept the installation.

Uninstalling g Apps

1. Enter the “Settings” menu on the home screen and go into “Other Setting” -> “Apps & Notifications”, and select the Application that you would like to uninstall.
2. Click on “Uninstall” and follow the confirmation.

File Manager

After inserting your USB Flash Drive or TF Card, click and enter the App “File Browser”.

Edit

1.  Select the menu icon
2. Check the file you wish to modify
3. Uncheck the menu icon
4. Select the option you wish to perform in the “Edit” icon directory

Cut & Copy
To “Cut” or “Copy” a file, you need to first select the directory.

1. Click the “Edit” icon
2. Select “Paste”

Factory Data Reset

Enter the “Settings” menu from the home screen and go into “Other Setting” -> “System” -> Advanced” -> “Reset Options” -> “Erase all Data (Factory Reset) and click “RESET PHONE”. The factory reset will commence and your device will restart once the factory reset is complete.

Safety Disclaimers

Notice

1. Do not place the projector on any part of your body to prevent any injury caused by the heat.
2. Do not rest liquid or heavy objects on the projector. 3
3. Avoid using the projector in high humidity conditions or thunderstorms.
4. Do not disassemble the projector which may cause risk of electric shock and malfunctions.

Usage

1. The projector is meant to be used in standard room temperature ranges. Do not block the air intake and heatsink during operation or charging.
2. Do not aim the lens of the projector towards anyone’s eyes during use.
3. For optimal performance, please use the projector in a darkened room without ambient lighting, or a room with blinds drawn with low ambient lighting.
4. Please do not drop the projector. Fall or impact may damage parts which might result in blurred and abnormal display.

Safety Disclaimers

Power Supply

1. Please charge the projector with the supplied power adapter cable.
   Unsupported adapters may cause damage to the projector battery.
2. Please prevent excessive bending and damage to the power cord.
   Misintended use may lead to electrical shock and fire.
3. Please remove the power adapter cable after use.

Maintenance

1. Please disconnect the power supply before cleaning the projector.
2. Neutral detergents or cleaners may be used, but do not use strong chemical detergents such as alcohol or diluents.
3. Wipe the fuselage with a clean cotton or soft cloth and wipe off the residual moisture with a dry cloth.
4. You can use a soft brush to clean the heatsink and speaker of the projector to prevent blockage which may cause overheating of the projector.
5. Proper maintenance will help prevent the device from defects and malfunctions.

Help & Support

Thank you for your purchase. We appreciate your trust and support in our team at Sentrym.
If you have any questions or concerns, please contact us at support@sentrym.com.

Documents / Resources

sentrym L1 Mini 3D Projector [pdf] User Manual L1, Mini 3D Projector, L1 Mini 3D Projector

References

• User Manual