The RM-AV2100 builds on its predecessor's strong foundation with an even greater array of features and capabilities. It's a well executed product. More memory, more customization, more macros, more speed. The RM-AV2100 can control up to 12 devices. Buttons are labeled for TV, VCR1, VCR2, VCR3, DVD, Cable/Satellite, Amplifier/Receiver, CD, MD/DAT, Tape A/B, Tuner and DSP components. 33 of the LCD buttons and 5 of the physical buttons can have any signal learned to them. Each of the 12 component buttons and 3 system control can have a 16-step macro assigned or hold a single learned button.