Sonos BU250 Guide Des Produits page 31

Sonos Bundle 250
Mute. Use the Mute button to temporarily silence the music in a zone.
Touch the Mute button again to unmute.
To mute all zones, touch and hold the Mute button for 3 seconds. Touch
and hold again to unmute all zones.
Controller sensors and indicators
Light Sensor. The light sensor automatically turns on the button backlights
based upon the brightness of the environment.
Wireless Signal Strength Indicator. Indicates the current strength of the
Controller's wireless signal.
Battery Charge Indicator. Indicates the Controller's remaining battery
charge.
Additional settings
The following settings can be adjusted by selecting Settings→Controller Settings
from the Music Menu:
Lock Controller. You can choose to lock the Sonos Controller 200 so that nothing
happens when you touch the screen or buttons (such as when cleaning the screen,
or carrying the Controller in your pocket.) When you are ready to unlock the
Controller, simply touch and hold the Zones
(You can also lock the Controller by touching and holding the Zones button for two
(2) seconds.)
Controller Sounds. The Controller makes a clicking sound when you touch a
selection. You can choose to turn all sounds on, enable keyboard sounds only, or turn
all sounds off by touching Controller Sounds.
Light Sleep Timer. Your Controller will go into light sleep (the screen will turn off) to
preserve the battery life when it is unused for a specified period of time. When
motion is detected or a button is pressed, the Controller awakens immediately. Use
the Sleep Timer Docked (when seated in charging cradle) and Sleep Timer
Undocked settings to select the amount of time after which your Controller will enter
light sleep.
button for two (2) seconds.
19