ALVAR LS55 Portable Mini Projector User Guide

QUICK START
LS55 – Email: contact@projectorcs.com –

SCREEN MIRRORING

For iOS System
Step 1:
Select on the upper right corner of the Homepage, then enter the Settings interface and select Network Setting.
Step 2:
Turn on the WiFi switch of the projector and connect the projector to your router’s WiFi.

Step 3:
Enter WiFi settings of your iOS device and connect it to the same WiFi.
Step 4:
Go to Homepage > iOS Cast to enter the following interface.

Step 5:
Activate Screen Mirroring/AirPlay Mirroring on your iOS device and search for the projector.
Step 6:
Select PROJECTOR-XXXX from the searching list to connect.

Step 7:
The contents on your iOS device will be mirrored to the wall/screen.
Note:
To mirror YouTube videos from your iOS device, ensure Local Network access for YouTube is enabled. Go to Settings > Privacy > Local Network and toggle the switch next to YouTube; Or go to Settings > YouTube and enable Local Network.

For Android System
To activate this function, please make sure your Android device supports Multi-screen/Wireless display. Names may differ from one Android device to another.
Step 1:
Turn ON the WiFi switch in your Android device.

Note:
Successful WiFi connection is not a must, but please make sure the WiFi switch in your Android device is ON.

Step 3:
Activate Multi-Screen function on your Android device and search for the projector.
Step 4:
Select PROJECTOR-XXXX from the searching list to connect.
Step 5:
The contents on your Android device will be mirrored to the wall/screen.

IMAGE ADJUSTMENT

1. Keystone Correction
   Auto Keystone Correction
   When the projector is powered on, it will automatically correct the keystone distortion. Manual Keystone Correction
   Go to Homepage > Settings > Projection Settings > Manual Keystone Correction to manually correct the distortion.

2. Focus
   Auto Focus
   When the projector is powered on, it will automatically adjust the image quality. Manual Focus
   Go to Homepage > Settings > Projection Settings > Manual Focus or press the F+ and F- buttons on the remote to manually sharpen the image focus until the blurred image becomes clear.

3. Image Scaling
   Go to Homepage > Settings > Projection Settings > Digital Zoom, then press the up and down buttons on the remote to enlarge or reduce the image size (optional).

AUTOMATIC OBSTACLE AVOIDANCE

This feature allows the projector to detect and avoid obstacles in specific areas.
Step 1:
Go to Homepage > Settings > Projection Settings to turn on Automatic Obstacle Avoidance.

Tip:
Before activating this feature, make sure Auto Keystone Correction is enabled. Step 2:
Move the projector to project the image on the screen/wall. The following view will appear. The areas outlined in red indicate regions where obstacles can be avoided. Ensure that there are no obstacles within the areas outlined in green to prevent trapezoidal distortion.

Step 3:
Observe the projected image and see if it meets your requirements. If not, make adjustments until you achieve the desired display.

Notes:

• It is recommended not to use an ambient light rejection screen for this feature.
• It is recommended to use this feature in a dark environment for optimal performance.
• The recommended distance between the projector and the screen/wall is 2 meters.

AUTOMATIC SCREEN FIT

You can use this feature to automatically adjust the projected image to match your screen.
Step 1:
Go to Homepage > Settings > Projection Settings to turn on Automatic Screen Fit.

Tip:
Before activating this feature, make sure Auto Keystone Correction is enabled.

Step 2:
Move the projector to project the image on the screen. The following view will appear. Make sure the four white squares are within the screen and the height of the projected image on both sides is greater than the height of the screen.

Step 3:
Observe the projected image and see if it meets your requirements. If not, make adjustments until you achieve the desired display.

Notes:

• Please use a black-bordered screen with an aspect ratio of approximately 16:9, and ensure that the screen is clean. It is recommended not to use an ambient light rejection screen for this feature.
• It is recommended to use this feature in a dark environment for optimal performance.
• The recommended distance between the projector and the screen is 2 meters.
• The Automatic Screen Fit feature takes precedence over Automatic Obstacle Avoidance when both are enabled. .

BLUETOOTH CONNECTION

Connect to an External Bluetooth Speaker
Except for the wired 3.5mm audio output port connection, you can also connect a Bluetooth speaker or Bluetooth headphones to this projector via the Bluetooth connection.
Step 1:
Turn on your Bluetooth device and make it ready for a Bluetooth connection.
Step 2:
Go to Homepage > Settings > Bluetooth Setting to turn on the Bluetooth and search for available Bluetooth devices. Afterward, select your Bluetooth device and pair it with the projector.

Tip:
For more detailed information, please check the user manual.

Use as a Bluetooth Speaker
You can connect your mobile device to this projector via a Bluetooth connection and use it as Bluetooth speaker.
Step 1:
Press the Power Button once and select Speaker Mode.

Step 2:
Go to the Bluetooth setting of your mobile device to turn on the Bluetooth, then search for PROJECTOR-XXXX from the search list and pair the mobile device with the projector.

Thanks for choosing our product.
lf you have any concerns or need any help, please contact us at contact@projectorcs.com

Documents / Resources

| ALVAR LS55 Portable Mini Projector [pdf] User Guide
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