Sonos ZP80 User Guide - Page 124

5-6 Sonos Digital Music System User Guide Volume control Volume Control Increases (+) or decreases (-) the volume in any zone, or across a zone group. Mute Temporarily silences the music in a zone (within a zone group, the mute button automatically mutes the last room where volume controls were adjusted.) Press the Mute button again to unmute. Mute All To mute all zones in the house, press and hold the Mute button for 3 seconds. To unmute all zones, press and hold again for 3 seconds. Sensors and indicators Light sensor Automatically turns on the button backlights based upon the lighting conditions of the environment. You can adjust the brightness of the buttons or the display by selecting System Settings>Controller Settings from the Music menu. Wireless signal strength indicator Indicates the current strength of the Controller's wireless signal. Battery charge indicator Indicates the Controller's remaining battery charge. Battery status indicator light Alerts you to the status of the battery charge: • Lights red when the battery gets low, indicating that the Controller needs to be charged • Lights amber while the Controller is charging • Lights green when the Controller finishes charging • Unlit when your Controller is in use and the battery is charged