[. . . ] The minus key 7 can be used to turn the cooling level down to "0"; if the minus and plus keys 7+8 are pressed at the same time, the cooling level can be switched off directly. In all cases the complete control system can be switched off at any time by pressing the on/off key 1: To switch off the entire cooking range place your finger briefly on the on/off switch until the control lights go out. Pressing locking key 2 prevents all the keys - with the exception of the on/off key - from being operated by mistake. Pressing the locking key 2 cancels this command again. Residual heat display The residual heat display is an illuminated "H" on the appropriate cooking level display ". 12 223175 Parboiling boost Switch on the cooking zone by means of corresponding cooking zone button 0. [. . . ] To do this, the required cooking zone 0 must be activated § and a cooking level selected. Now the two-circuit button 9 and then the corresponding cooking zone button should be 0 pressed. The two-circuit heating or frying zone can now be re-powered by means of the two-circuit button 9. When the cooking zone is turned on again, PR will again be active. When can Pot Recognition be switched off? 1. For pots which, because of their size or material, switch on the outer element in the case of multiple circuit cooking zones without sufficiently covering them. For safety reasons, turn off the cooking zone after use by means of the Touch-Control, so that the shifting of pots or setting down of metal objects does not accidentally activate a cooking zone while PR is still turned on. Timer The timer can be used for automatically switching off a cooking zone after a pre-set time of between 1 and 99 minutes. The required cooking zone must be activated, stand-by dot § lights up. Select a cooking level from 1 to 9 by means of the minus or plus keys 7/8. Select the required cooking time between 1 and 99 minutes by means of the minus or plus keys 7/8. The control lamp 6 of the selected cooking zone lights up. 223175 13 The selected cooking time can be altered at any time. Activate the relevant cooking zone, press timer key 4 and change the cooking time by means of the plus or minus keys 7/8. To do this, switch off the safety switch for the oven connection in the fuse box. Never prepare food in aluminium foil and plastic containers on the hot cooking area. Do not place combustible, volatile or heat deformable objects directly underneath the hotplates. Overheated oil and fat can catch fire; for this reason, never leave food unattended which is cooked with fat or oil, e. g. In addition, make sure that leads from electrical appliances plugged into nearby sockets cannot come into contact with the hotplates. Never clean the glass ceramic hob with a steam cleaner or similar appliance! 223175 15 3. Cleaning and Care Always clean the hotplates after they have cooled down. Even the slightest amount of dirt will burn into the surface the next time you switch it on. Steel wool, cleaning sponges and abrasive powders scratch the surface. Do not use oven sprays as these are aggressive and damage the surface. Light amounts of dirt Use a damp cloth or a warm rinse to clean light amounts of dirt from the surface. Use vinegar, lemon juice or a calcium dissolving agent to remove water stains from the surface. If these agents come into contact with the frame, wipe them off with a wet cloth, otherwise the frame looses its gloss. Heavy dirt Use "Sidol Special for Stainless Steel", "Stahlfix" or "Cerafix" to remove heavy dirt. [. . . ] If cared for properly your hob will remain beautiful for many years and cleaning will be easier. If the hob is installed in a worktop with a ceramic or similar cover (tiles), remove the hob seal and seal the hob from the worktop with a plastic seal, such as heat-resistant silicone rubber. Important!If the cooking surface is located above furniture parts (side panels, drawers, etc. ), then an intermediate bottom must be inserted in order to prevent accidental contact with the underside of the cooking surface. The intermediate bottom may only be capable of removal by means of tools and must be attached with a minimum distance of 20 mm to the underside of the cooking surface so that the mains connection cable does not touch the underside of the cooking surface (Fig. [. . . ]