Operating instructions

Special functions (additional menu) 9
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Operating instructions RC30 programmable room thermostat • Issue 02/2006
9.9 Switching on the button lock
You can switch on a button lock (child lock). The button lock
prevents your heating system settings from being changed
accidentally.
z Open the additional menu (see Chapter 9.1 "Opening and
using the additional menu", page 57).
Using the dial select "ADD MENU KEY LOCK".
Press the "Display" button.
You are now in the "KEY LOCK" menu.
Hold down the "Display" button and select the setting "On" with the
dial.
Release the "Display" button. The button lock is now switched on.
Press the "Back" button or close the flap.
If you press a button whilst the button lock is activated, the display
shows "Weekday (DAY/DATE) + TIME KEY" to tell you how to
switch off the key lock again.
Switching off the key lock again
Simultaneously press the "Time" and "Weekday (Day/Date)"
buttons.
The key lock is switched off again.
+
KEY LOCK
ON
WEEKDAY
+ TIME KEY
+
KEY LOCK
OFF