LR4DM - Projector Accessories OPTOMA - Free user manual and instructions

Product Type	Presentation laser pointer with wireless USB controller and flash drive
Brand	Optoma
Model	LR4DM
Dimensions (L x W x H)	13 cm x 3.5 cm x 2.2 cm
Weight	78 g (including battery)
Power Source	1 x AAA 1.5V battery
Battery Life (Continuous Use)	Approximately 6 hours
Wireless Technology	2.4 GHz RF
Transmission Distance	Up to 10 meters (33 feet)
Interface	USB 2.0
Supported Operating Systems	Windows 2000/Me/XP, Mac OS 9.0 and higher
Laser Wavelength	630-680 nm
Laser Output Power	Class IIIa, <5 mW (or Class II, <1 mW)
Laser Pointer Icons	5 different pointer images (e.g., dot, circle, arrow, etc.)
Remote Control Modes	Keyboard (K/B), Mouse, Media Player, Timer
Display	Backlit LCD menu
Built-in Storage	1 GB USB flash drive (optional, integrated in receiver)
Timer	Countdown up to 24 hours (HH:MM:SS)
Alarm Type	Vibrate alert (final 3 minutes, final minute, at zero)
Auto Power-Off	After 30 minutes of standby
System Restore	Remembers previous state after power off or battery change
Package Contents	LR4 controller, wireless USB receiver, AAA battery, user manual
Safety Certification	Laser class IIIa/II; avoid eye exposure
Cleaning Instructions	Wipe with a dry, soft cloth; do not use liquids or abrasives

Frequently Asked Questions - LR4DM OPTOMA

How do I install the battery in the Optoma LR4DM?

Push the battery cover down and away from the controller. Insert one AAA battery according to the (+) and (-) markings inside the compartment. Slide the cover back until it clicks into place.

How do I pair the LR4DM controller with the wireless USB receiver?

Plug the USB receiver into your computer. Press the Connect Key on the receiver (the Status LED will flash). Remove the battery from the controller, then press and hold the Power button while reinserting the battery. Release the Power button after the LCD goes out. The LED will stop flashing, indicating a successful frequency match.

Can the LR4DM be used as a USB flash drive?

Yes, the wireless USB receiver also functions as a 1 GB USB flash drive. You can store presentations and multimedia files on it.

How do I switch between keyboard, mouse, media, and timer modes?

Press the Power/Mode button repeatedly to cycle through the four modes: Keyboard (K/B), Mouse, Media Player, and Timer. The current mode is highlighted on the LCD display.

How do I use the laser pointer?

Press and hold the Laser Pointer button on the controller. While holding it, rotate the jog-wheel to cycle through the available pointer icons (e.g., dot, circle, arrow). Release the button to turn off the laser.

How do I set a countdown timer?

Switch to Timer mode by pressing Power/Mode until TIMER is highlighted. Use the navigation pad to adjust hours, minutes, and seconds (left/right to select digit, up/down to change). Press SET to start the timer, or press START to begin the countdown. The timer can be set up to 24 hours.

What does the vibrate alert indicate?

The LR4DM vibrates to discretely notify you: three short vibrations at the final 3 minutes of the timer, one short vibration at the final minute, and a long vibration when the timer reaches zero.

How do I extend battery life?

The LR4DM automatically enters power-saving mode after 30 minutes of inactivity. To manually turn off, press and hold the Power/Mode button for two seconds. Remove the battery if the device will not be used for an extended period.

What should I do if the controller stops responding?

First, perform a frequency search (pairing procedure). If that fails, replace the battery. Ensure the USB receiver is properly inserted into a working USB port. If the issue persists, try a different USB port or restart your computer.

How do I clean the LR4DM?

Use a dry, soft cloth to wipe the exterior. Do not use any liquids, solvents, or abrasive materials, as they may damage the device.

USER MANUAL LR4DM OPTOMA

Congratulations on your purchase of LR4. It is a versatile presentation laser pointer, wireless USB controller, and combined flash drive.

About This User's Guide

This manual is designed to guide you through setup and operation of LR4. The introduction details quick setup and operation. The OSD chapter details how to use LR4 menu, and the final chapter explains additional functions available.

Quick Start Guide

The Quick Start Guide is designed to help you set up and operate LR4 as quickly as possible. It contains basic information to get started.

Syntax Convention

• Buttons with captions, and menu options begin with capital letters
• Buttons without captions are referenced by their graphical representation

Frequency Search

Should the receiver not respond to the controller after installing the driver see “Installing the Wireless USB Receiver” on page 7, reset the transmission and reception frequency between controller and wireless USB receiver using the following procedure.

1 Plug the wireless USB receiver into an available USB port.
2 Press the Connect Key on the wireless USB receiver. The Status LED starts flashing. If the frequency search is not complete within 1 minute, the LED will still stop flashing.
3 Remove the battery on the LR4.
4 Press the Power button while re-install the battery.
While inserting the battery, the LCD screen lights up for 1 second and then go out.
5 Release the Power button after the LCD screen goes out.
The Status LED will go out at the same time.
6 The wireless transmission is reset. Now the LR4 is ready to use.

Table of Contents

Introducing LR4 1

Features 1

Package Contents 3

LR4 Components 4

Specifications 5

Laser Pointer Icons 5

Preparing for Use 6

Installing the Battery 6

Removing the Wireless USB Receiver ..... 7

Installing the Wireless USB Receiver ..... 7

LR4 Menu Display...... 8

Introducing the Display 8

On-Screen Display (OSD) Modes ..... 9

KEYBOARD (K/B) 9

MOUSE 10

MEDIA Player 10

TIMER 11

Additional Information......13

Operating the Laser 13

Timer Quick Settings 13

OSD Backlight 13

Vibrate Alert ....14

Frequency Search 14

CHAPTER 1

Introducing LR4

This chapter details the uses, features, and installation of LR4

1.1 Features

Wireless USB Transceiver

LR4 is an all-in-one transmitter and receiver. The wireless USB receiver separates from the main controller unit and plugs directly into any USB port. The controller can transmit up to 10 meters.

Remote Keyboard and Mouse

Control the mouse or keyboard during presentations over the wireless connection.

Remote Multimedia

Use LR4 as a remote control for playing multimedia content.

Laser Pointer Icons

Project five different pointer images and enhance the appeal of your presentations.

1GB USB Flash Drive (optional)

LR4 wireless USB receiver is also a USB flash drive that can store up to 1GB of your data. Now you can carry all your multimedia and presentations in one convenient drive.

LR4 User Manual Chapter 1 Introducing LR4

Backlit LCD Menu

Always know the current status of your LR4 with an easily viewable display.

Navigation Pad

The ergonomic LR4 provides simple thumb control for easy navigation of the LCD Menu and replacing the mouse during presentations.

Countdown Timer

Set the timer to countdown from up to 24 hours to remind you of important events, or how much time is left for your presentation.

Vibrate Alarm

The vibrate lets you discretely acknowledge timed alerts without creating a distraction.

Power-saving Mode

The LR4 will automatically turn off after 30-minutes standby.

System Restore

LR4 remembers and restore the previous state of operation after switching off or even changing the batteries.

1.2 Package Contents

Please check the package contains the following items.

LR4 User Manual Chapter 1 Introducing LR4

1.3 LR4 Components

LR4 User Manual Chapter 1 Introducing LR4

1.4 Specifications

Dimensions 13(L) x 3.5 (W) x 2.2 (T) cm

Weight 78g (including battery)

Transmission Distance 33 feet (10 meters)

RF Frequency 2.4G

Interface USB 2.0

OS Supported Windows 2000/Me/XP/Mac OS 9.0 & higher

Laser Wavelength 630\~680nm

Output Power CL IIIa, <5mW CL II, <1mW

Power 1x AAA 1.5V battery

Battery Burn Time 6 hours

1.4.1 Laser Pointer Icons

Warning : Laser radiation is harmful to the eyes. Do not stare directly into the beam.

Caution : Use of controls, adjustments or procedures other than those specified in this manual could result in hazardous exposure to laser radiation.

LR4 User Manual Chapter 1 Introducing LR4

1.5 Preparing for Use

1.5.1 Installing the Battery

For first use, or should the battery indicator on the LCD show empty. Please use the following guidelines to install a new battery.

1 Push the battery cover down and away from the controller.
2 Align the AAA battery according to the (+) and (-) markings on the battery compartment.
3 Replace the battery cover sliding back until it clicks into place.

Technical line drawing of a mechanical component with a handle and internal structure (no text or symbols)

Line drawing of a rectangular electronic device with a black arrow pointing to its side (no text or symbols)

Technical line drawing of a mechanical component with a handle and internal slot (no text or symbols)

Caution:

• Only use the specified AAA battery.
- Insert battery according to (+) and (-) markings. Inserting the battery incorrectly may result in cracking or leakage, which may pose a risk of fire or lead to personal injury.
- Dispose of the battery in accordance with local laws and regulations. Please turn in your batteries at the responsible collecting point, or place of purchase.
- When the controller is not used for extended periods, please remove the battery.

Warning: Never dispose of batteries in fire, as they could explode.

1.5.1.1 Powering LR4

To switch LR4 on or off, press and hold the Power/Mode button for two seconds, at the same time, the LCD illuminates for 3 seconds. The LR4 will automatically turn off after 30-minutes standby.

1.5.2 Removing the Wireless USB Receiver

Locate the raised edge at the rear-end of the controller module. Push and slide out the wireless USB receiver.

Technical line drawing of a mechanical component with a handle and arrow indicator (no text or symbols)

1.5.3 Installing the Wireless USB Receiver

The wireless USB receiver is used like a regular USB flash drive. Plug the receiver directly into an available USB port of your notebook or computer. Windows 2000/XP/Mac OS 9.0 operating systems and later, the drive is automatically recognized and installed.

Note: If after installation, the USB receiver does not respond to the controller, please see "Frequency Search" on page 14 for how to match the frequency between controller and receiver.

LR4 User Manual Chapter 1 Introducing LR4

CHAPTER 2

LR4 Menu Display

This chapter explains how to use the OSD menus

2.1 Introducing the Display

LR4 User Manual Chapter 2 LR4 Menu Display

2.2 On-Screen Display (OSD) Modes

LR4 has four modes of operation. Press the Power/Mode button to cycle though the different methods of using the controller.

graph TD
    A["1"] --> B["KEYBOARD"]
    B --> C["2"] --> D["MOUSE"]
    D --> E["3"] --> F["MEDIA"]
    F --> G["4"] --> H["TIMER"]

2.2.1 KEYBOARD (K/B)

Press the Power/Mode button until K/B is highlighted on the OSD.

ALT + TAB

ALT

TAB

PgUp

PgDn

ESC

F5

Enter K/B mode to replace the computer keys.

Press ALT and then press TAB to scroll through open windows and programs.

ALT, TAB, PgUp, PgDn, ESC/F5 also replace their keyboard equivalents.

The right-hand multifunction navigation pad button turns the screen blank.

2.2.2 MOUSE

Press the Power/Mode button until MOUSE is highlighted on the OSD.

Enter MOUSE mode to replace the computer's mouse.

ALT ALT replaces the right mouse button.
TAB TAB replaces the left mouse button.

The multifunction navigation pad moves the mouse pointer.

2.2.3 MEDIA Player

Press the Power/Mode button until MEDIA is highlighted on the OSD.

Enter MEDIA mode to play your media with the controller. Remotely play, pause, stop, skip tracks or adjust the volume.

2.2.4 TIMER

Press the Power/Mode button until TIMER is highlighted on the OSD.

Enter TIMER to set and start a countdown from a maximum of 24 hours using HH:MM:SS.

Press SET to start the timer and edit that value or press START to exit timer if countdown function is not needed.

Press the plus(+)/minus(-) sign to increase/decrease the highlighted number.

Press the left/right arrow to highlight the desired number to change.

Press SET to stop the timer and edit that value.

Press START to begin the countdown.

The following example details how to edit the timer settings.

Quick Timer Setup: When starting the timer setting, press SET to setup the timer quickly. Press once to add 5 minutes, and so on.

CHAPTER 3

Additional Information

This chapter details additional functions of LR4

3.1 Operating the Laser

While pressing the Laser Pointer button, rotate the jog-wheel and cycle through the various pointers to the desired icon.

3.2 Timer Quick Settings

To quickly set the timer, press the Mode/Power button until TIMER is highlighted. Now press SET, the countdown setting increases by 5 minutes with each subsequent press (i.e. 5,10,15,20), until the maximum of 24-hours is reached.

3.3 OSD Backlight

The controller's OSD is backlit for viewing under virtually any lighting conditions, and turns on for three seconds after the following events.

• Pressing the Power/Mode button
• Pressing the PgDn (down arrow) on the multifunction navigation pad during K/B (keyboard) mode

Note: During Timer mode, the backlight remains illuminated.

3.4 Vibrate Alert

LR4 has a vibrate alert to discretely inform:

• The final three minutes of the timer; three short vibrations
• The final minute of the timer; short vibration
• When the timer reaches zero; long vibration

3.5 Frequency Search

Should the receiver not respond to the controller after installing the driver see "Installing the Wireless USB Receiver" on page 7, reset the transmission and reception frequency between controller and wireless USB receiver using the following procedure.

1 Plug the wireless USB receiver into an available USB port.
2 Press the Connect Key on the wireless USB receiver. The Status LED starts flashing. If the frequency search is not complete within 1 minute, the LED will still stop flashing.
3 Remove the battery on the LR4.
4 Press the Power button while re-install the battery. While inserting the battery, the LCD screen lights up for 1 second and then go out.
5 Release the Power button after the LCD screen goes out.
The Status LED will go out at the same time.
6 The wireless transmission is reset. Now the LR4 is ready to use.