Manual Corrigo Ventilation, revision R Chapter 18 Other functions 107Remove the cover by pressing down the locking torques at the edge of the cover using a smallscrewdriver, and at the same time pulling the edges outwards.Battery locationGrip the battery firmly with your fingers and lift it upwards until it rises from its holder.Press the new battery firmly down into place. Note: To preserve correct polarity, the battery canonly be inserted the “right way round”!18.7 Start-up wizardThe start-up wizard is a function that can be activated in "Configuration"/"System". See the sectionActivation of start-up wizard.If the wizard has been activated, the operator will access a number of menus at power-up. Thesemenus contain certain operation parameters that should be set.The wizard is useful when the controller is delivered pre-configured together with an air handlingunit. After the controller has been configured, the manufacturer of the air handling unit will activatethe start-up wizard, which will help the operator to set setpoint values, running times etc. withouthaving to log on.In the first menu, the language is chosen.