Proline Low-temperature Thermostats
32
Starting up
YACE0072 / 21.08.07
7.4.3 Locking the keyboard
The keyboards of the Master and the Command Console can be locked independently of one another.
This is especially advantageous when the thermostat is positioned in another room and the Command
Console is used as a remote control device. Then the Master keyboard can be locked to prevent
unintentional adjustment.
Master
R@ED
Locking:
and hold
pressed
simultane-
ously for 3 s
−
RDr
appears for 3 seconds,
−
then the segments of the first right-hand
/
are formed,
−
hold both keys pressed until this display is completely visible.
−
R@ED
flashes briefly and the display returns to the actual
temperature.
−
The Master keyboard is now locked.
−
The
R@ED
display signals the locked state when any Master key
is pressed.
Unlocking:
and hold
pressed
simultane-
ously for 3 s
−
For three seconds, then
R@ED
appears.
−
Then the segments of the left-hand
/
are formed.
−
The actual bath temperature appears again when all the
/
s have
been formed.
/////
°C
R@ED
°C
Bath temperature
/1%21
°C