[. . . ] 1) You can select the permanent display of the room temperature or the set-point temperature. [. . . ] 5°C, then press the MODE button to confirm and move on to the next setting. 3) You can lock the keypad, in which case you cannot change the set-point or the mode. to change the current selection , press the + button then press the MODE button to confirm and exit the configuration mode. During the winter or summer modes, the thermostat displays the current set-point temperature (to change the display, see § 4. Briefly pressing the + or - buttons will show the room temperature, and pressing the + or - buttons a second time changes the current set-point temperature by steps of 0. Comments: - For winter mode, consider switching off your air-conditioners. [. . . ] As soon as the battery level indicator is lit, you have approximately one month to change the batteries. [. . . ]