Setting up the changeover master This setting is available only when none of the remote control in the system has master control. Prerequisite: No indoor unit is yet set as the changeover master (“ ” icon blinking on all controllers). You are operating the controller of the indoor unit that you want to set as the changeover master. 30 28 Menu screen Navigate to the operation mode menu. Sub-menu screen Press or . Result: • The indoor unit is now the changeover master (“ icon not displayed). • All sub controllers display the “ ” icon. 17