Optoma Technology LR4 User Manual
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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.
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.
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.
changing the batteries.