Residual Heat Indicator Residual Heat Indication is a safety feature to indicate that the surface of the glass ceramic on top of a cooking zone still above 60°C which may cause burns when touching by bare hands. The segment of the corresponding cooking zone displays an H in this case. Timer Function The timer function allows you to select the number of minutes you would like to cook for. The cooking zone will turn off automatically once the time has elapsed. Auto Shutdown Protection This is an additional safety feature to turn off cooking zones after a certain time with no operation to the corresponding cooking zone by the user. Over-Temperature Safety Device To ensure safety whilst cooking, this induction cooktop is equipped with a safety system to monitor the temperature. When an excessive temperature is monitored, the induction cooktop will stop operation automatically. Bridge Function Bridging of 2 cooking zones is the connection of 2 single cooking zones, so they can be controlled and will behave as one large cooking zone. This is possible in the square zone with the inscription “bridge”. Booster The booster enables the cooktop to dissipate a higher power for a cooking zone than its normal power for a short period of time (up to 5 minutes).