Siemens Gigaset C300 User Manual page 23

Using the phone
Back
¤ Press the key below
menu level.
Or
Press and hold the end call key a to return to idle status.
22
t
Eco Mode
³
x
OK
§Back§
on the display screen to jump back to the previous
... until the Eco Mode menu item
appears.
¤ Press the key below
screen to switch the function on or off
(³ = on).
§OK§
on the display