Optoma Technology LR4 User Manual

Page of 18
LR4 User Manual     Chapter 1 Introducing LR4
7
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.
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.
USB
E
S
C
/F
5
PgU p
Vol
S E T
TAB
ALT
START
Vol
P gD n