Picture for reference only User Manual LGI Babylon RCU RC421(Telink8273) Confidential Page 1 of 6
1. Products Functions The RC421 remote connects via Radio Frequency for Consumer Electronics(RF4CE) or Bluetooth Low Energy (BLE) to LGI set-top box, which has Nuance voice enabled. This connection is needed to control all essential features that LGI offers, including browsing content, playing videos, and conducting voice searches. RF4CE/BLE are also used for over-the-air firmware upgrades as well as the download of TV control codes.
. BLE keycode table for STB • 38 Keys remote: User Manual Confidential Page: 3 of 6
• 34 keys remotes: User Manual Confidential Page: 4 of 6
4. BLE/RF4CE Pairing mechanism When remote unpaired, pressing any RF key (keys exclude , , , and ), remote will enter pairing mode. 4.1) 4.2) 4.3) Remote sends advertising (Both RF4CE and BLE) for pairing. LED perform pairing blink continuously; If pairing is successful, LED will stop blink; If pairing is failed, LED will provide a pairing fail blink. 5. Voice The RCU supports one-way voice transferred from RCU to host.
RF exposure statement This equipment complies with the FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. NOTE 1: 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.
