Press the button (or the device mode you are setting up).
The is a universal remote control capable of managing up to 15 different brands of devices, including TVs, DVD players, and decoders. While your query mentioned "900w," the UN-47 is exclusively a remote control and not a high-wattage appliance like a microwave. Programming Guide for the DigiVolt UN-47 digivolt un-47 manual 900w pdf
: For some major brands (like Samsung or LG), the remote may function immediately without setup. Technical Specifications Connectivity : Radio Frequency / Infrared. : Approximately Compatibility DIGIVOLT UN-47 MANUAL 900W PDF: A COMPREHENSIVE REVIEW