Danfoss RET2000 B Guide De L'utilisateur page 8

Setting the temperature
Press either the Λ or V buttons, the product backlight will come
GB GB
on.
DE
Press either the Λ or V button again within 6 seconds, the display
will ash with the current set temperature. While the display is
DK
ashing press the Λ arrow to increase the set temperature to the
required setting or the V arrow to decrease the set temperature.
ES
If no buttons are pressed the display will return to actual
temperature after 4 seconds and the backlight will go out after
FR
6 seconds.
NL
Thermostat status (heat mode only)
RU
A ame symbol will be lit whenever the thermostat is calling for
heat.
TR
8 RET1000