PORTABLE PROJECTOR

User Manual

Product Overview

The projector features a lens for image projection and a focus wheel for adjusting sharpness.

Lens: The primary optical component for projecting the image.

Focus Wheel: Located on the back of the projector, used to fine-tune image clarity.

Remote Control Navigation

The remote control uses the following directional and function buttons:

⬆️ : NAVIGATION UP
⬇️ : NAVIGATION DOWN
⬅️ : NAVIGATION LEFT
➡️ : NAVIGATION RIGHT
☰ : MENU
↩️ : RETURN
⚪ : CONFIRM / OK

Device Ports and Buttons

The projector has the following external connections and controls:

Earphone Jack (?): For audio output.
ON/OFF Button (⏻): The main power button for the device.

Connectivity Ports

The rear panel of the projector includes several ports:

USB (?): For connecting USB storage devices.
IR: Infrared receiver for the remote control.
DC: DC power input port.
HDMI (?): For connecting external video sources.

Remote Control Functions

The remote control provides access to all projector functions:

POWER (ON/OFF) (⏻): Turns the projector on or off.
MUTE (?): Mutes or unmutes audio output.
NAVIGATION: Use ⬅️, ⬆️, ⬇️, ➡️ for menu navigation.
OK / CONFIRM / ENTER (⚪): Selects an option or confirms an action.
VOLUME - (➖): Decreases volume.
VOLUME + (➕): Increases volume.
MENU (☰): Opens the main menu.
HOME (?): Returns to the home screen.
RETURN (↩️): Goes back to the previous screen or option.

Power Management

Power On: When the projector is off, press and hold the ON/OFF button (⏻) on the projector for 3 seconds to turn it on.

Power Off: When the projector is on, press and hold the ON/OFF button (⏻) on the projector for 3 seconds to turn it off.

Focus Adjustment

When the projector is on, adjust the image sharpness using the focus wheel located on the back of the projector.

Local Media Playback

Connect a USB storage device to the projector's USB port to play local media files:

Read Local Picture (?️): Plug in a USB drive, navigate to the 'PICTURE' section on the homepage, and select picture files to view.
Play Local Music (?): Plug in a USB drive, navigate to the 'MUSIC' section on the homepage, and select music files to play.
Play Local Video (?): Plug in a USB drive, navigate to the 'VIDEO' section on the homepage, and select video files to play.

Screen Casting

Mirror your Android or iOS device screen to the projector.

Android Mobile Phone Screen Mirroring (Miracast)

To connect an Android mobile/pad device using WiFi-Display Technology:

On your Android device, open the settings menu.
Access your display settings or screen mirroring options.
Select your Miracast receiver, which is identified as 'ROTA-18BD'. The projector will show 'Waiting for connection...'.

iOS Device Screen Mirroring

Mirror your iPhone, iPad, or iPod touch. Ensure your iOS device is connected to the same network as your projector, or connect via the projector's AP.

Wireless Mirroring:

On your iOS device, open the Control Center and tap screen mirroring.
Look for devices that can be mirrored.
Select 'ROTA-1880-cast' from the list.

iOS Cable Cast:

Connect the lightning connector to your iPhone/iPad. Connect the other end to the projector.
On your device, click "Trust" when the prompt appears.
Enter your device password if required.

HDMI Input

Connect your projector to an external sourcing device using an HDMI cable. Select 'HDMI' on the projector's homepage to display the signal from the source device.

Projection Settings

Access the settings menu via 'Settings' -> 'Projection Settings' to configure various options:

Volume (?): Adjust audio levels.
Keystone (⏳): Adjust image geometry (Note: The manual text mentions time/date adjustment here, but the icon suggests keystone correction).
Projection Mode (⇋): Select the projection orientation.
Brightness (☀️): Adjust screen brightness.
Language (?): Change the user interface language.
Upgrade (⬆️): Update the projector's firmware.

Volume Settings

Navigate to 'Settings' -> 'Volume' to adjust the audio output to your preference. Use the '>' button to increase volume and the '<' button to decrease volume.

Keystone Settings (Time and Date)

Navigate to 'Settings' -> 'Keystone' to adjust the time and date. Use the '<' and '>' buttons to move the cursor and select the time/date components. Use the '^' and 'v' buttons to adjust the values. Press the RETURN button (↩️) to complete the time setting.

Projection Mode

Navigate to 'Settings' -> 'Projection Mode' to select the desired projection orientation. This projector supports four modes:

Front Projection (F): Standard projection.
Rear Projection (ㅋ): For projecting onto a translucent screen from behind.
Ceiling Projection (E): For mounting the projector upside down on a ceiling.
Rear Ceiling Projection (F): For mounting upside down and projecting onto a screen from behind.

Brightness Settings

Navigate to 'Settings' -> 'Brightness' to adjust the screen brightness. Use the '>' button to increase brightness and the '<' button to decrease brightness.

Language Settings

Navigate to 'Settings' -> 'Language' to select the user interface language. Use the '<' and '>' buttons to cycle through available languages (e.g., Chinese, English) and press the ENTER button (⚪) to confirm your selection.

Firmware Upgrade

To upgrade the projector's firmware:

Place the firmware file onto a USB storage device.
Plug the USB device into the projector's USB port.
Navigate to 'Settings' -> 'Upgrade'.
Follow the on-screen prompts to complete the upgrade process. The projector may display 'Searching Firmware ...'.

Security Precautions

Do not attempt to disassemble or modify the projector privately. Seek professional maintenance personnel for any repairs.
Avoid using the projector on soft surfaces like blankets or pillows, as this can obstruct heat dissipation.
Do not use the projector near water bodies, in high temperatures, or in dusty environments.
Do not touch the AC power adapter or the projector with wet hands.
Avoid looking directly into the projector lens while it is operating, as the strong light can cause eye discomfort or damage.
Do not place heavy objects on the projector.
Do not press on the lens or subject the projector's body to impacts or excessive shock.
Always use the original power adapter provided for charging the projector.
Power off the projector before moving it from one location to another.

Disclaimer

This manual provides general instructions. The features and functions described are subject to change based on the actual product. Shenzhen Hotack Technology Co., Ltd. is dedicated to improving product performance and reserves the right to modify product functions and interfaces without prior notice.

Please handle your device with care. The company is not responsible for any losses incurred due to incorrect operation of software/hardware, unauthorized repairs, or any other reasons. The company also disclaims responsibility for any third-party claims.

This manual has been carefully reviewed by professional engineers; however, some omissions may still exist.

Important Safety Note: Do not look directly into the projector lens when it is operating. The strong light can be harmful to the eyes or cause discomfort. Children should use the projector under adult supervision.

Model Identifier: (ZX-EN-D042H031121)

FCC Warning

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.

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

NOTE: This equipment 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 equipment 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 equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment 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 equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.

Radiation Exposure Statement

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator and your body.