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6.10 Key lock
6.10.1 Easy key lock
The device is now protected against unauthorised ac-
cess to the settings and only the on/off key can be
operated.
The key lock cannot be activated if the "Boost" func-
tion is active.
Locking
Press the
ously for 3 s until CLEF 1 and the sym-
bol
Unlocking
Press the
ously for 3 s until CLEF 0 is displayed
and the symbol
6.10.2 Key lock with numerical code
Lock key entry with a four-digit numerical code.
Locking
Press the
ously for 10 s until CODE is displayed.
Confirm by pressing
The first code position will flash.
Use the
desired digit for the first position.
Confirm with
Proceed in the same way for all four
code positions.
After confirming the fourth position,
the set temperature and the
symbol will be displayed.
NOTE
Without the code, the device cannot be unlocked!
EN-9
+
and
keys simultane-
are displayed.
+
and
keys simultane-
disappears.
+
and
keys simultane-
Mode
.
+
and
keys to select the
Mode
.
Unlocking
6.11 Internal programming
To use the programming, the weekday and time
must be set on the device (factory setting 00:00).
In the event of a power failure lasting more than
30 minutes, the weekday and time must be set
again.
6.11.1 Setting the time and date
2409/A
TDTR 300/500/750/1000EW
+
Press the
and
keys simultane-
ously for 3 s until CODE flashes.
Mode
Confirm by pressing
.
The first code position will flash.
+
Use the
and
keys to select the
digit for the first position.
Mode
Confirm with
.
Proceed in the same way for all four
code positions.
If the code was entered correctly, OK
flashes and the
symbol disap-
pears.
If the code was entered incorrectly,
NON flashes. The
symbol does
not disappear.
Boost
Press the
and
keys simultane-
ously for 3 s to open the programming
menu.
+
Use the keys
or
to select ON
Mode
and confirm with the
key. OFF
ends the menu.
Pr is shown on the display.
+
to select Hr
Use the keys
or
Mode
and confirm with the
key.
The hours display flashes.
+
Use the
or
keys to set the hour
Mode
and confirm with the
key.
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