[. . . ] Wireless IR Blaster If you have the IR blaster installed, you can control the peripheral devices connected to the TV with the LG TV remote app using the Magic remote control or a smartphone. PaRT Decsription ENGLISH LED Indicator On/Off switch OFF ON PAIRING Pairing Button IR Blaster Setting and Pairing WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. [. . . ] * Do not throw or roll the IR blaster. ENGLISH Operating enviroment 1. If multiple set-top boxes and media devices are used or the media device is in a place where the IR signal from the remote cannot be received, the IR blaster transmits the IR signals to the external devices. 3 2.  hen using the LG remote app on your smartphone, you can W control an external device through the IR blaster. (Only when using the Universal Remote function) Installing Batteries 1. Align the top and bottom cases together and turn the cases and turn the top case top case counter-clockwise clockwise. Insert new four Alkaline AA batteries according to the polarity symbols (+ and -) marked and close ENGLISH 4 Precautions (1) After replacement of the battery, use the IR blaster following pairing in accordance with user manual. [. . . ] Range of frequency Channel Transmission output Reception sensitivity Dimensions Weight Power source Operational temperature range Details AN-BL100 2. 400 GHz - 2. 4835 GHz 79 channels 10 dBm -86 dBm 75 mm X 75 mm X 71. 2 mm ± 1 mm 81. 1 g ± 5 g AA 1. 5 V, 4 alkaline batteries are used 0 °C - 60 °C 5 [. . . ]