A numerical display showing the actual time or the ambient temperature,
alternatively displayed by pressing the D key. During programming it
shows the temperature setting
B flashing segment showing the outside temperature or, during program
ming, the programmed temperature
C push-button to copy the visualized program to the day after
D push-button allowing alternate display of actual time and ambient tempe
rature
E push-button for changing the days during programming
F hideaway key for current time setting
G hideaway key for current day setting
H temperature range for summer mode operation ( )
I key for increasing the hours during programming
L key for decreasing the hours during programming
M key for decreasing the temperature during programming
N key for increasing the temperature during programming
O daily hour scale
P temperature range for winter mode operation( )
Q selector switched ON/OFF
R selector for heating system control ( ) / air conditioning system control
( )
S selector for automatic program operation /manual temperature setting
operation ( )
T segment showing the actual day or, during programming, the program
med day
WINTER operating mode indicator
SUMMER operating mode indicator
MANUAL operating mode indicator
Run-down battery indicator
Relay contact closure indicator