Etherma Etouch Hybrid Instructions D'utilisation Et De Montage page 60

A clock is required for the thermostat in order to be able
to run a schedule. If the units are connected to a bus, the
time settings on one unit are adopted for all the units in
the house. The time remains the same on all the units in
the house. The unit where the time is set for all the units
in the house is the master unit. To adjust the date and time
proceed as follows:
ADJUST
TIME
DATE TIME
YEAR
TIME 18/01/01
YEAR
19/01/01
MONTH
19/01/01
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Press the  key (ENTER):
The display shows the current date; here
you can adjust the year.
Now make the desired changes with the
keys  (UP) or  (DOWN).
Confirm the changes made by pressing
the key  (ENTER):
Here you can adjust the month.