How to use the SILVERCREST SEMS 12 A1 sharpener to effectively sharpen knives?

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To effectively use the SilverCrest SEMS 12 A1 sharpener, start by placing the device on a stable and flat surface, then plug it in. The device has 3 selectable sharpening functions by turning the protective cap: "Smooth blade" for standard knives, "Serrated blade" for serrated edges, and "Scissors blade" for scissors. Each function has its own sharpening groove.

Before starting the sharpening process, press and hold the power button to make the stone rotate. It is crucial to wait until the stone is moving before inserting the blade. Slowly insert the blade into the designated opening, ensuring that the edge forms a sharp angle with the stone, exactly as indicated by the shape of the opening. This angle is essential: sharpening at the wrong angle destroys the edge.

Always remove the blade in one smooth motion from bottom to top, never going back or making back-and-forth movements, which would result in uneven sharpening. Apply moderate and constant pressure only - too much pressure can damage the blade and prematurely wear out the stone. Repeat the pass 3 to 5 times depending on the dullness of the blade. After each sharpening, wipe off the grinding residue on the blade with a damp cloth.

For smooth blade knives, always sharpen on both sides using the left groove first and then the right groove, slightly tilting the blade towards the corresponding side. For serrated blade knives, sharpen only on the serrated side, orienting the serrated part towards the stone. Note that knives with fine teeth (like table knives) generally do not need sharpening. For scissors, open them and sharpen each blade one at a time by passing them through the sharpening groove.

The device operates intermittently with a maximum continuous usage time of 3 minutes. After this period, you must let it cool down for about 30 minutes to room temperature before using it again. Always unplug the device before cleaning. Remove the cap by turning it until the arrow is on top, then clean the area around the stone with a dry brush. Empty the dust container and clean the rest of the device with a slightly damp cloth only, never with aggressive products.

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