Operating and display functions 5
0020131979_00 VRT 350f Operating instructions 29
4. Then rotate the control knob anticlockwise until the
second list entry above the dotted line is highlighted.
5. Press the right-hand selection button twice.
6. Turn the control knob (to the right or left) until you find
a language you understand.
7. Press the right-hand selection button.
5.2.5 Setting the date
Menu → Basic settings → Date/Time → Date
– Select this function to set the current date. All controller
functions that contain a date relate to the set date.
5.2.6 Setting the time
Menu → Basic settings → Date/Time → Time
– Select this function to set the current time. All controller
functions that contain a time relate to the set time.
5.2.7 Changing over to daylight saving time
Menu → Basic settings → Date/Time → Day-light savings
– You can use this function to set whether the controller
automatically changes over to daylight saving time, or
whether you want to do this manually.
– Auto: The controller automatically changes over to day-
light saving time.
– Off: You have to change over to daylight saving time
manually.
Note
Daylight saving time means Central European
summer time: Start = last Sunday in March, End
= last Sunday in October.
5.2.8 Setting the display contrast
Menu → Basic settings → Display → Display contrast
– You can set the display contrast in relation to the bright-
ness of the surroundings, to ensure that the display is
clearly legible.
5.2.9 Setting the offset room temperature
Menu → Basic settings → Offset → Room temperature
– A thermometer is integrated in the controller for meas-
uring the room temperature. If you have another ther-
mometer in the same room and compare the values with
each other, the temperature values may constantly differ
from each other.
Example
One room thermometer constantly shows a temperature
that is one degree higher than the current room temperat-
ure on the controller display. With the Room temperature
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