85Using MDC33 Using MDC3.3.9 MenusYou can power on or off a selected device or change the input source or volume of the device.Choose display devices from the list of sets, and select the Home tab.HomeSelect an item and change the corresponding setting.Power On: Power on a selected display. Off: Power off a selected display.Input Input Source : Change the input source. Input sources available can vary depending on the Display Device Models. The input source can be changed only for displays that are turned on. Channel : Change the channel. The TV channel can be changed by using the up/down arrow keys. The channel can be changed only when the input source is TV. Only registered channels can be selected. Only applicable to models that support TVs.1