R-6 L 6 SouRCe HaNd-HeLd LeaRNINg ReMoTe CoNTRoL Key Features One Touch to Entertainment™ – Just point the ■ R-6 L Hand-Held Learning Remote Control at any ZR-4 keypad, press a button, and enjoy. It automates and controls the connected audio sources, while also providing control of a local TV and an additional source such as a cable box or satellite receiver.