the device button (e.g., TV ) and the corresponding brand number (found in the manual's brand table) simultaneously.

: If only a few buttons work, you may have accidentally activated "Easy Mode," which locks out advanced settings. Deactivate it by following the specific button combination in your manual (often [MUTE] + [EXIT]). Grundig Universal TV Remote Control User Manual

once. The remote will begin cycling through codes, and the indicator light will flash continuously.

: Most Grundig universal remotes save your programmed settings even during battery changes.