Sub-menu screen Press to release the indoor unit from its authority. Result: • The indoor unit is released from its authority. • The controllers of all indoor units display a blinking ” icon. 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 “ Sub-menu screen Press or . 22